fix(legacy): finalize hosted module lifecycle cleanup

This commit is contained in:
SugarChes
2026-08-29 18:03:44 +08:00
parent e27d445844
commit 176952d52c
5 changed files with 806 additions and 88 deletions
+65 -4
View File
@@ -631,7 +631,15 @@ namespace Lskj.Control
internal void ReleaseResourcesForDispose() internal void ReleaseResourcesForDispose()
{ {
DisposeGridResources(); // 模块级清理只解除事件和菜单引用。GridControl/GridView 的生命周期
// 由真正的 WinForms 父容器负责,并在 Dispose(bool) 中统一结束。
DetachGridViewEventHandlers();
if (gridViewRightMenu != null)
{
gridViewRightMenu.ReleaseResourcesForDispose();
gridViewRightMenu = null;
}
ParentControl = null;
} }
private void DetachGridViewEventHandlers() private void DetachGridViewEventHandlers()
@@ -658,6 +666,13 @@ namespace Lskj.Control
gridView.ShowFilterPopupCheckedListBox -= OnShowFilterPopupCheckedListBox; gridView.ShowFilterPopupCheckedListBox -= OnShowFilterPopupCheckedListBox;
gridView.DataSourceChanged -= OnGridDataSourceChanged; gridView.DataSourceChanged -= OnGridDataSourceChanged;
gridView.RowCellStyle -= GridView_RowCellStyle; gridView.RowCellStyle -= GridView_RowCellStyle;
// These handlers are attached dynamically by SetGridRowColors and
// AddHeadquarters. They are not part of the constructor hookup, so
// removing only the static handlers above leaves a GridView event
// delegate rooted to this GridControlEx after module close.
gridView.RowCellStyle -= OnGridViewRowCellStyle;
gridView.RowStyle -= OnGridViewRowStyle;
gridView.CellValueChanged -= onCellValueChanged;
gridView.CustomRowFilter -= GridView_CustomRowFilter; gridView.CustomRowFilter -= GridView_CustomRowFilter;
gridView.EndGrouping -= GridView_EndGrouping; gridView.EndGrouping -= GridView_EndGrouping;
gridView.ShowingEditor -= GridView_ShowingEditor; gridView.ShowingEditor -= GridView_ShowingEditor;
@@ -735,6 +750,52 @@ namespace Lskj.Control
customFont.Dispose(); customFont.Dispose();
customFont = null; customFont = null;
} }
// Dispose 完成后,包装对象不应继续保留已释放的 DevExpress 控件、
// 数据表和模块字典。尤其是左右联动事件链仍可能短暂持有包装对象,
// 这里主动断开引用可以避免已关闭页签继续保留整棵控件对象图。
gridView = null;
gridControl = null;
GridRowColorsTable = null;
ChartTable = null;
rightMenuButtonTable = null;
InitGridColumsTab = null;
ModuleEnclosure?.Clear();
ModuleEnclosure = null;
mControlSourceDic?.Clear();
mControlSourceDic = null;
mControlList?.Clear();
mControlList = null;
ColumnList?.Clear();
ColumnList = null;
AutoPadDataReleColList?.Clear();
AutoPadDataReleColList = null;
ImageList?.Clear();
ImageList = null;
RepeatedVerificationNames?.Clear();
RepeatedVerificationNames = null;
PromptMessage?.Clear();
PromptMessage = null;
_CheckedList?.Clear();
_CheckedList = null;
modifyThePosition?.Clear();
modifyThePosition = null;
ColumnsList?.Clear();
ColumnsList = null;
SelectedDataSource?.Clear();
SelectedDataSource = null;
ProgressBarColumn?.Clear();
ProgressBarColumn = null;
ManuallyAddData?.Clear();
ManuallyAddData = null;
FrozenColumns = null;
CurrentOperGridView = null;
CurrentOperModel = null;
HeaderColumnSift = null;
sumPanel = null;
PopupEdit = null;
CustomGroupBandEx = null;
CustomGroupTreeBandEx = null;
} }
private void PrepareForColumnRebuild() private void PrepareForColumnRebuild()
@@ -3825,7 +3886,7 @@ namespace Lskj.Control
DllName = "", DllName = "",
Id = this.Model.ModuleCode, Id = this.Model.ModuleCode,
Name = this.Model.FormText, Name = this.Model.FormText,
BeforePage = ERPInfo.Instance.PageControl.SelectedTabPage BeforePage = ERPInfo.Instance.CurrentModulePage
}; };
module.ModuleForm = frmGridSift; module.ModuleForm = frmGridSift;
string guid = Guid.NewGuid().ToString(); string guid = Guid.NewGuid().ToString();
@@ -3842,8 +3903,8 @@ namespace Lskj.Control
tp.Controls.Add(frmGridSift); tp.Controls.Add(frmGridSift);
tp.ShowCloseButton = DefaultBoolean.True; tp.ShowCloseButton = DefaultBoolean.True;
tp.Dock = DockStyle.Fill; tp.Dock = DockStyle.Fill;
ERPInfo.Instance.PageControl.TabPages.Add(tp); ERPInfo.Instance.AddModulePage(tp);
ERPInfo.Instance.PageControl.SelectedTabPage = tp; ERPInfo.Instance.CurrentModulePage = tp;
ERPInfo.Instance.ModuleForms.Add(guid, module); ERPInfo.Instance.ModuleForms.Add(guid, module);
frmGridSift.Show(); frmGridSift.Show();
} }
@@ -44,19 +44,39 @@ namespace Lskj.Control.Model
Dictionary<BandedGridView, List<BandedGridDragGrid>> registrations, Dictionary<BandedGridView, List<BandedGridDragGrid>> registrations,
BandedGridView gridView) BandedGridView gridView)
{ {
if (registrations == null)
return;
foreach (KeyValuePair<BandedGridView, List<BandedGridDragGrid>> entry in registrations.ToList()) foreach (KeyValuePair<BandedGridView, List<BandedGridDragGrid>> entry in registrations.ToList())
{ {
bool removeKey = ReferenceEquals(entry.Key, gridView); bool removeKey = ReferenceEquals(entry.Key, gridView);
foreach (BandedGridDragGrid registration in entry.Value.ToList()) List<BandedGridDragGrid> registrationsForView = entry.Value;
if (registrationsForView == null)
{ {
if (removeKey || registration == null || registration._disposed || registration.References(gridView)) registrations.Remove(entry.Key);
continue;
}
foreach (BandedGridDragGrid registration in registrationsForView.ToList())
{
if (removeKey || registration == null || registration._disposed ||
registration.References(gridView))
{ {
if (registration != null) if (registration != null)
registration.Dispose(); {
entry.Value.Remove(registration); try
{
registration.Dispose();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine("清理带状表格拖拽注册失败:" + exception);
}
}
registrationsForView.Remove(registration);
} }
} }
if (removeKey || entry.Value.Count == 0) if (removeKey || registrationsForView.Count == 0)
registrations.Remove(entry.Key); registrations.Remove(entry.Key);
} }
} }
@@ -65,23 +85,71 @@ namespace Lskj.Control.Model
Dictionary<GridView, List<BandedGridDragGrid>> registrations, Dictionary<GridView, List<BandedGridDragGrid>> registrations,
GridView gridView) GridView gridView)
{ {
if (registrations == null)
return;
foreach (KeyValuePair<GridView, List<BandedGridDragGrid>> entry in registrations.ToList()) foreach (KeyValuePair<GridView, List<BandedGridDragGrid>> entry in registrations.ToList())
{ {
bool removeKey = ReferenceEquals(entry.Key, gridView); bool removeKey = ReferenceEquals(entry.Key, gridView);
foreach (BandedGridDragGrid registration in entry.Value.ToList()) List<BandedGridDragGrid> registrationsForView = entry.Value;
if (registrationsForView == null)
{ {
if (removeKey || registration == null || registration._disposed || registration.References(gridView)) registrations.Remove(entry.Key);
continue;
}
foreach (BandedGridDragGrid registration in registrationsForView.ToList())
{
if (removeKey || registration == null || registration._disposed ||
registration.References(gridView))
{ {
if (registration != null) if (registration != null)
registration.Dispose(); {
entry.Value.Remove(registration); try
{
registration.Dispose();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine("清理带状表格拖拽注册失败:" + exception);
}
}
registrationsForView.Remove(registration);
} }
} }
if (removeKey || entry.Value.Count == 0) if (removeKey || registrationsForView.Count == 0)
registrations.Remove(entry.Key); registrations.Remove(entry.Key);
} }
} }
private static bool IsDisposedView(BandedGridView view)
{
if (view == null)
return true;
try
{
return view.GridControl == null || view.GridControl.IsDisposed;
}
catch
{
return true;
}
}
private static bool IsDisposedView(GridView view)
{
if (view == null)
return true;
try
{
return view.GridControl == null || view.GridControl.IsDisposed;
}
catch
{
return true;
}
}
internal bool References(GridView gridView) internal bool References(GridView gridView)
{ {
return gridView != null && return gridView != null &&
@@ -124,8 +192,14 @@ namespace Lskj.Control.Model
/// <param name="tarGridView">目标GridView.</param> /// <param name="tarGridView">目标GridView.</param>
public BandedGridDragGrid(BandedGridView sourceView, GridView targetView) public BandedGridDragGrid(BandedGridView sourceView, GridView targetView)
{ {
// Do not retain an incomplete registration in the global dictionaries.
if (IsDisposedView(sourceView) || IsDisposedView(targetView))
return;
this._sourceGridView = sourceView; this._sourceGridView = sourceView;
this._targetGridView = targetView; this._targetGridView = targetView;
try
{
//记录所有拖拽类到来源表中,后每次进入目标表禁用其他拖拽类的拖拽事件 //记录所有拖拽类到来源表中,后每次进入目标表禁用其他拖拽类的拖拽事件
if (StaticBandedControl.BandedGridViewDragGridDic.ContainsKey(sourceView)) if (StaticBandedControl.BandedGridViewDragGridDic.ContainsKey(sourceView))
{ {
@@ -171,6 +245,21 @@ namespace Lskj.Control.Model
{ {
this._targetGridView.Disposed += OnGridViewDisposed; this._targetGridView.Disposed += OnGridViewDisposed;
} }
}
catch
{
// Roll back dictionary entries and event handlers from a partial
// registration before surfacing the original failure.
try
{
Dispose();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine("回滚带状表格拖拽注册失败:" + exception);
}
throw;
}
} }
private void OnGridViewDisposed(object sender, EventArgs e) private void OnGridViewDisposed(object sender, EventArgs e)
@@ -225,7 +314,8 @@ namespace Lskj.Control.Model
if (ReferenceEquals( if (ReferenceEquals(
StaticBandedControl.SourceDragBandedGridView, StaticBandedControl.SourceDragBandedGridView,
sourceGridView)) sourceGridView) &&
!HasRegistrationForView(sourceGridView))
{ {
StaticBandedControl.SourceDragBandedGridView = null; StaticBandedControl.SourceDragBandedGridView = null;
} }
@@ -237,6 +327,37 @@ namespace Lskj.Control.Model
_targetGridView = null; _targetGridView = null;
} }
private static bool HasRegistrationForView(BandedGridView gridView)
{
if (gridView == null)
return false;
List<BandedGridDragGrid> items;
if (StaticBandedControl.BandedGridViewDragGridDic != null &&
StaticBandedControl.BandedGridViewDragGridDic.TryGetValue(gridView, out items) &&
ContainsLiveRegistration(items, gridView))
return true;
if (StaticBandedControl.BandedTargetViewDragGridDic != null)
foreach (KeyValuePair<GridView, List<BandedGridDragGrid>> entry in
StaticBandedControl.BandedTargetViewDragGridDic)
if (ContainsLiveRegistration(entry.Value, gridView))
return true;
return false;
}
private static bool ContainsLiveRegistration(
IEnumerable<BandedGridDragGrid> registrations,
GridView gridView)
{
if (registrations == null || gridView == null)
return false;
foreach (BandedGridDragGrid item in registrations)
if (item != null && !item._disposed && item.References(gridView))
return true;
return false;
}
private static void RemoveRegistration<TKey>( private static void RemoveRegistration<TKey>(
Dictionary<TKey, List<BandedGridDragGrid>> registrations, Dictionary<TKey, List<BandedGridDragGrid>> registrations,
TKey key, TKey key,
@@ -248,12 +369,23 @@ namespace Lskj.Control.Model
return; return;
} }
if (registrations == null)
{
return;
}
List<BandedGridDragGrid> registrationsForView; List<BandedGridDragGrid> registrationsForView;
if (!registrations.TryGetValue(key, out registrationsForView)) if (!registrations.TryGetValue(key, out registrationsForView))
{ {
return; return;
} }
if (registrationsForView == null)
{
registrations.Remove(key);
return;
}
registrationsForView.Remove(registration); registrationsForView.Remove(registration);
if (registrationsForView.Count == 0) if (registrationsForView.Count == 0)
{ {
+119 -6
View File
@@ -46,23 +46,62 @@ namespace Lskj.Control.Model
Dictionary<GridView, List<GridDragGrid>> registrations, Dictionary<GridView, List<GridDragGrid>> registrations,
GridView gridView) GridView gridView)
{ {
if (registrations == null)
return;
// A module-close operation must only remove registrations that
// reference the exact view being closed. Never infer ownership
// from GridControl.IsDisposed here: another open tab can be in a
// transient initialization/dispose state and its registration
// must remain untouched.
foreach (KeyValuePair<GridView, List<GridDragGrid>> entry in registrations.ToList()) foreach (KeyValuePair<GridView, List<GridDragGrid>> entry in registrations.ToList())
{ {
bool removeKey = ReferenceEquals(entry.Key, gridView); bool removeKey = ReferenceEquals(entry.Key, gridView);
foreach (GridDragGrid registration in entry.Value.ToList()) List<GridDragGrid> registrationsForView = entry.Value;
if (registrationsForView == null)
{ {
if (removeKey || registration == null || registration._disposed || registration.References(gridView)) registrations.Remove(entry.Key);
continue;
}
foreach (GridDragGrid registration in registrationsForView.ToList())
{
if (removeKey || registration == null || registration._disposed ||
registration.References(gridView))
{ {
if (registration != null) if (registration != null)
registration.Dispose(); {
entry.Value.Remove(registration); try
{
registration.Dispose();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine("清理表格拖拽注册失败:" + exception);
}
}
registrationsForView.Remove(registration);
} }
} }
if (removeKey || entry.Value.Count == 0) if (removeKey || registrationsForView.Count == 0)
registrations.Remove(entry.Key); registrations.Remove(entry.Key);
} }
} }
private static bool IsDisposedView(GridView view)
{
if (view == null)
return true;
try
{
return view.GridControl == null || view.GridControl.IsDisposed;
}
catch
{
return true;
}
}
internal bool References(GridView gridView) internal bool References(GridView gridView)
{ {
return gridView != null && return gridView != null &&
@@ -115,8 +154,16 @@ namespace Lskj.Control.Model
/// <param name="tarGridView">目标GridView.</param> /// <param name="tarGridView">目标GridView.</param>
public GridDragGrid(GridView sourceView, GridView targetView) public GridDragGrid(GridView sourceView, GridView targetView)
{ {
// Do not put an incomplete registration in the global dictionaries.
// A GridView without an owner GridControl cannot receive the drag
// events below and would otherwise remain a strong static reference.
if (IsDisposedView(sourceView) || IsDisposedView(targetView))
return;
this._sourceGridView = sourceView; this._sourceGridView = sourceView;
this._targetGridView = targetView; this._targetGridView = targetView;
try
{
//记录所有拖拽类到来源表中,后每次进入目标表禁用其他拖拽类的拖拽事件 //记录所有拖拽类到来源表中,后每次进入目标表禁用其他拖拽类的拖拽事件
if (StaticControl.GridViewDragGridDic.ContainsKey(sourceView)) if (StaticControl.GridViewDragGridDic.ContainsKey(sourceView))
{ {
@@ -162,6 +209,21 @@ namespace Lskj.Control.Model
{ {
this._targetGridView.Disposed += OnGridViewDisposed; this._targetGridView.Disposed += OnGridViewDisposed;
} }
}
catch
{
// Registration is a two-dictionary operation. If event wiring
// fails, undo everything that was attached before rethrowing.
try
{
Dispose();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine("回滚表格拖拽注册失败:" + exception);
}
throw;
}
} }
private void OnGridViewDisposed(object sender, EventArgs e) private void OnGridViewDisposed(object sender, EventArgs e)
@@ -214,7 +276,8 @@ namespace Lskj.Control.Model
targetGridView, targetGridView,
this); this);
if (ReferenceEquals(StaticControl.SourceDragGridView, sourceGridView)) if (ReferenceEquals(StaticControl.SourceDragGridView, sourceGridView) &&
!HasRegistrationForView(sourceGridView))
{ {
StaticControl.SourceDragGridView = null; StaticControl.SourceDragGridView = null;
} }
@@ -226,6 +289,45 @@ namespace Lskj.Control.Model
_targetGridView = null; _targetGridView = null;
} }
private static bool HasRegistrationForView(GridView gridView)
{
if (gridView == null)
return false;
return HasRegistration(StaticControl.GridViewDragGridDic, gridView) ||
HasRegistration(StaticControl.TargetViewDragGridDic, gridView);
}
internal static void ClearSourceReferenceIfUnused(GridView gridView)
{
if (gridView != null &&
ReferenceEquals(StaticControl.SourceDragGridView, gridView) &&
!HasRegistrationForView(gridView))
{
StaticControl.SourceDragGridView = null;
}
}
private static bool HasRegistration<TKey>(
Dictionary<TKey, List<GridDragGrid>> registrations,
GridView gridView)
where TKey : class
{
if (registrations == null || gridView == null)
return false;
foreach (KeyValuePair<TKey, List<GridDragGrid>> entry in registrations)
{
List<GridDragGrid> items = entry.Value;
if (items == null)
continue;
foreach (GridDragGrid item in items)
if (item != null && !item._disposed && item.References(gridView))
return true;
}
return false;
}
private static void RemoveRegistration<TKey>( private static void RemoveRegistration<TKey>(
Dictionary<TKey, List<GridDragGrid>> registrations, Dictionary<TKey, List<GridDragGrid>> registrations,
TKey key, TKey key,
@@ -237,12 +339,23 @@ namespace Lskj.Control.Model
return; return;
} }
if (registrations == null)
{
return;
}
List<GridDragGrid> registrationsForView; List<GridDragGrid> registrationsForView;
if (!registrations.TryGetValue(key, out registrationsForView)) if (!registrations.TryGetValue(key, out registrationsForView))
{ {
return; return;
} }
if (registrationsForView == null)
{
registrations.Remove(key);
return;
}
registrationsForView.Remove(registration); registrationsForView.Remove(registration);
if (registrationsForView.Count == 0) if (registrationsForView.Count == 0)
{ {
+354 -63
View File
@@ -1,4 +1,5 @@
using DevExpress.XtraGrid.Views.Grid; using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.BandedGrid;
using DevExpress.XtraTab; using DevExpress.XtraTab;
using Lskj.Control.ZKFinger; using Lskj.Control.ZKFinger;
using Lskj.Util; using Lskj.Util;
@@ -8,7 +9,9 @@ using System.Collections.Generic;
using System.Data; using System.Data;
using System.Diagnostics; using System.Diagnostics;
using System.Linq; using System.Linq;
using System.Runtime.CompilerServices;
using System.Text; using System.Text;
using System.Threading;
using System.Windows.Forms; using System.Windows.Forms;
using Lskj.Model; using Lskj.Model;
using System.Reflection; using System.Reflection;
@@ -18,24 +21,112 @@ namespace Lskj.Control.Model
{ {
public static class StaticControl public static class StaticControl
{ {
/// <summary>
/// 在窗体关闭前捕获模块控件树及其 GridView。WinForms 的 Close/Dispose
/// 流程可能会先清空 Controls 或重建 GridView;保留这个快照可以让后续
/// 引用解绑仍然针对原始实例执行。
/// </summary>
public sealed class ModuleReferenceSnapshot
{
internal readonly List<WinFormsControl> Controls;
internal readonly List<GridView> GridViews;
internal ModuleReferenceSnapshot(
List<WinFormsControl> controls,
List<GridView> gridViews)
{
Controls = controls ?? new List<WinFormsControl>();
GridViews = gridViews ?? new List<GridView>();
}
}
public static ModuleReferenceSnapshot CaptureModuleReferences(
WinFormsControl moduleRoot,
XtraTabPage modulePage)
{
List<WinFormsControl> moduleControls = new List<WinFormsControl>();
try
{
moduleControls = CollectModuleControls(moduleRoot, modulePage);
}
catch (Exception exception)
{
TraceCleanupFailure("收集模块控件引用", exception);
}
List<GridView> gridViews = new List<GridView>();
try
{
gridViews = CollectGridViews(moduleControls);
}
catch (Exception exception)
{
TraceCleanupFailure("收集模块表格引用", exception);
}
return new ModuleReferenceSnapshot(moduleControls, gridViews);
}
/// <summary> /// <summary>
/// Releases static references owned by a closed legacy module. Cleanup is /// Releases static references owned by a closed legacy module. Cleanup is
/// best-effort so it cannot change the module close result. /// best-effort so it cannot change the module close result.
/// </summary> /// </summary>
public static void ReleaseModuleReferences(WinFormsControl moduleRoot, XtraTabPage modulePage, string moduleCode) public static void ReleaseModuleReferences(WinFormsControl moduleRoot, XtraTabPage modulePage, string moduleCode)
{ {
List<GridView> gridViews = new List<GridView>(); ReleaseModuleReferences(
CaptureModuleReferences(moduleRoot, modulePage),
modulePage,
moduleCode);
}
/// <summary>
/// Releases references using a snapshot captured before Close/Dispose.
/// This overload is used by the WPF host, where the legacy form can be
/// detached from its Controls collection during Form.Close.
/// </summary>
public static void ReleaseModuleReferences(
ModuleReferenceSnapshot snapshot,
XtraTabPage modulePage,
string moduleCode)
{
List<WinFormsControl> moduleControls = snapshot == null || snapshot.Controls == null
? new List<WinFormsControl>()
: snapshot.Controls;
List<GridView> gridViews = snapshot == null || snapshot.GridViews == null
? new List<GridView>()
: snapshot.GridViews;
List<TabControlEx> tabControls = new List<TabControlEx>();
try try
{ {
gridViews = CollectGridViews(moduleRoot); tabControls = moduleControls.OfType<TabControlEx>().ToList();
} }
catch (Exception exception) catch (Exception exception)
{ {
TraceCleanupFailure("收集表格引用", exception); TraceCleanupFailure("收集模块引用", exception);
} }
try try
{ {
// WPF 承载旧 WinForms 页面时,移除页签不一定会同步触发
// TabControlEx.Disposed。先解除左右联动事件,避免 GridView
// 的事件委托继续闭包持有已经关闭的 TabControlEx/模块。
foreach (TabControlEx tabControl in tabControls)
{
try
{
tabControl?.ReleaseRuntimeReferences();
}
catch (Exception exception)
{
TraceCleanupFailure("释放多页签运行时引用", exception);
}
}
// GridControlEx 自身也会把事件处理器、右键菜单和父控件
// 引用挂在 GridView/菜单对象上。这里只处理关闭前快照中的
// 控件,不调用 Control.Dispose,也不扫描全局控件集合,因而
// 不会影响仍然打开的模块或共享的 GridView 生命周期。
ReleaseGridControlRuntimeReferences(moduleControls);
foreach (GridView gridView in gridViews) foreach (GridView gridView in gridViews)
{ {
try try
@@ -48,18 +139,27 @@ namespace Lskj.Control.Model
} }
} }
TryCleanup(() => RemoveConditionPanels(moduleCode), "释放条件面板引用");
TryCleanup(() => RemoveProtectedReferences(moduleRoot, modulePage), "释放权限保护引用");
TryCleanup(() => ClearRightMenuReferences(moduleRoot, gridViews), "释放右键菜单引用");
TryCleanup( TryCleanup(
() => StaticBandedControl.ReleaseModuleReferences(moduleRoot, modulePage, moduleCode), () => RemoveConditionPanels(moduleCode, moduleControls),
"释放条件面板引用");
TryCleanup(
() => RemoveProtectedReferences(moduleControls, modulePage),
"释放权限保护引用");
TryCleanup(
() => ClearRightMenuReferences(moduleControls, gridViews),
"释放右键菜单引用");
TryCleanup(
() => StaticBandedControl.ReleaseModuleReferences(moduleControls, modulePage, moduleCode),
"释放带状表格引用"); "释放带状表格引用");
} }
finally finally
{ {
// DynamicModel caches retain completed tasks, result tables and // Only remove cache entries owned by this module. The cached
// their closures. Always release them after other references. // values are owned by their module/control and must not be
TryCleanup(() => ClearDataCaches(moduleRoot), "释放动态数据缓存"); // disposed from a global static cleanup routine.
TryCleanup(
() => RemoveModuleCacheReferences(moduleControls, gridViews),
"移除动态数据缓存引用");
} }
} }
@@ -80,21 +180,104 @@ namespace Lskj.Control.Model
Debug.WriteLine("释放旧模块引用失败[" + operation + "]" + exception); Debug.WriteLine("释放旧模块引用失败[" + operation + "]" + exception);
} }
private static List<GridView> CollectGridViews(WinFormsControl root) private static void ReleaseGridControlRuntimeReferences(
IEnumerable<WinFormsControl> moduleControls)
{
if (moduleControls == null)
return;
HashSet<GridControlEx> released =
new HashSet<GridControlEx>(ReferenceEqualityComparer<GridControlEx>.Instance);
foreach (GridControlEx gridControl in moduleControls.OfType<GridControlEx>())
{
if (gridControl == null || !released.Add(gridControl))
continue;
try
{
gridControl.ReleaseResourcesForDispose();
}
catch (Exception exception)
{
TraceCleanupFailure("释放表格控件运行时引用", exception);
}
}
}
private static List<WinFormsControl> CollectModuleControls(
WinFormsControl moduleRoot,
XtraTabPage modulePage)
{
List<WinFormsControl> result = new List<WinFormsControl>();
AddModuleControls(result, moduleRoot);
if (!ReferenceEquals(moduleRoot, modulePage))
AddModuleControls(result, modulePage);
return result;
}
private static void AddModuleControls(
List<WinFormsControl> target,
WinFormsControl root)
{
if (root == null)
return;
foreach (WinFormsControl control in EnumerateControls(root))
if (!ContainsControl(target, control))
target.Add(control);
}
private static List<GridView> CollectGridViews(IEnumerable<WinFormsControl> controls)
{ {
List<GridView> result = new List<GridView>(); List<GridView> result = new List<GridView>();
if (root == null) if (controls == null)
return result; return result;
foreach (WinFormsControl control in EnumerateControls(root))
foreach (WinFormsControl control in controls)
{ {
DevExpress.XtraGrid.GridControl grid = control as DevExpress.XtraGrid.GridControl; DevExpress.XtraGrid.GridControl grid = control as DevExpress.XtraGrid.GridControl;
GridView view = grid == null ? null : grid.MainView as GridView; if (grid == null)
if (view != null && !result.Contains(view)) continue;
result.Add(view);
try
{
GridView mainView = grid.MainView as GridView;
AddGridView(result, mainView);
// A GridControl can retain detail views in ViewCollection even
// when they are not the current MainView.
foreach (DevExpress.XtraGrid.Views.Base.BaseView baseView in grid.ViewCollection)
AddGridView(result, baseView as GridView);
}
catch (Exception exception)
{
// A form can already be partially disposed when the shell
// releases its static references. Keep the views collected
// from the remaining controls.
TraceCleanupFailure("读取表格视图", exception);
}
} }
return result; return result;
} }
private static void AddGridView(List<GridView> target, GridView view)
{
if (view != null && !ContainsGridView(target, view))
target.Add(view);
}
private static bool ContainsGridView(
IEnumerable<GridView> gridViews,
GridView value)
{
if (gridViews == null || value == null)
return false;
foreach (GridView gridView in gridViews)
if (ReferenceEquals(gridView, value))
return true;
return false;
}
private static IEnumerable<WinFormsControl> EnumerateControls(WinFormsControl root) private static IEnumerable<WinFormsControl> EnumerateControls(WinFormsControl root)
{ {
yield return root; yield return root;
@@ -109,114 +292,222 @@ namespace Lskj.Control.Model
return; return;
GridDragGrid.DisposeRegistrations(GridViewDragGridDic, TargetViewDragGridDic, gridView); GridDragGrid.DisposeRegistrations(GridViewDragGridDic, TargetViewDragGridDic, gridView);
if (ReferenceEquals(SourceDragGridView, gridView) || // BandedGridDragGrid uses a separate source dictionary but shares
(SourceDragGridView != null && SourceDragGridView.GridControl != null && SourceDragGridView.GridControl.IsDisposed)) // the GridView target dictionary. Clean both sides whenever a
SourceDragGridView = null; // GridView is released so control-level Dispose also removes
if (ReferenceEquals(_RightMenuGridView, gridView) || // banded drag helpers without disposing the view itself.
(_RightMenuGridView != null && _RightMenuGridView.GridControl != null && _RightMenuGridView.GridControl.IsDisposed)) BandedGridDragGrid.DisposeRegistrations(
StaticBandedControl.BandedGridViewDragGridDic,
StaticBandedControl.BandedTargetViewDragGridDic,
gridView as BandedGridView,
gridView);
GridDragGrid.ClearSourceReferenceIfUnused(gridView);
if (ReferenceEquals(_RightMenuGridView, gridView))
RightMenuGridView = null; RightMenuGridView = null;
} }
private static void RemoveConditionPanels(string moduleCode) private static void RemoveConditionPanels(
string moduleCode,
IEnumerable<WinFormsControl> moduleControls)
{ {
foreach (string key in ConditionsPanelDic.Keys.ToList()) foreach (string key in ConditionsPanelDic.Keys.ToList())
{ {
ModuleConditionsPanelEx panel; ModuleConditionsPanelEx panel;
if (string.Equals(key, moduleCode, StringComparison.OrdinalIgnoreCase) || if (!ConditionsPanelDic.TryGetValue(key, out panel) || panel == null || panel.IsDisposed)
!ConditionsPanelDic.TryGetValue(key, out panel) || panel == null || panel.IsDisposed) {
ConditionsPanelDic.Remove(key);
continue;
}
// The dictionary is keyed only by module code. Two instances of
// the same module can therefore share that key. Remove a live
// panel only when its owner can be tied to the closing instance;
// otherwise leave it for the still-open module.
if (string.Equals(key, moduleCode, StringComparison.OrdinalIgnoreCase) &&
IsConditionPanelOwnedByModule(panel, moduleControls))
ConditionsPanelDic.Remove(key); ConditionsPanelDic.Remove(key);
} }
} }
private static void RemoveProtectedReferences(WinFormsControl root, XtraTabPage page) private static bool IsConditionPanelOwnedByModule(
ModuleConditionsPanelEx panel,
IEnumerable<WinFormsControl> moduleControls)
{
if (panel == null)
return false;
if (ContainsControl(moduleControls, panel) || ContainsControl(moduleControls, panel.Owner))
return true;
MyControl parentControl = panel.ParentControlObj;
return parentControl != null &&
parentControl.MainGridEx != null &&
ContainsControl(moduleControls, parentControl.MainGridEx);
}
private static void RemoveProtectedReferences(
IEnumerable<WinFormsControl> moduleControls,
XtraTabPage page)
{ {
while (page != null && DogVerifyModuleForms.Remove(page)) while (page != null && DogVerifyModuleForms.Remove(page))
{ {
} }
foreach (XtraTabPage item in DogVerifyModuleForms.ToList()) foreach (XtraTabPage item in DogVerifyModuleForms.ToList())
if (item == null || item.IsDisposed || IsContained(root, item)) if (item == null || item.IsDisposed || ContainsControl(moduleControls, item))
DogVerifyModuleForms.Remove(item); DogVerifyModuleForms.Remove(item);
foreach (IForm item in DogVerifyNoPageForms.ToList()) foreach (IForm item in DogVerifyNoPageForms.ToList())
if (item == null || item.SubForm == null || item.SubForm.IsDisposed || IsContained(root, item.SubForm)) if (item == null || item.SubForm == null || item.SubForm.IsDisposed ||
ContainsControl(moduleControls, item.SubForm))
DogVerifyNoPageForms.Remove(item); DogVerifyNoPageForms.Remove(item);
} }
private static bool IsContained(WinFormsControl root, WinFormsControl value) private static bool ContainsControl(
IEnumerable<WinFormsControl> moduleControls,
WinFormsControl value)
{ {
if (root == null || value == null) if (moduleControls == null || value == null)
return false; return false;
if (ReferenceEquals(root, value)) foreach (WinFormsControl control in moduleControls)
return true; if (ReferenceEquals(control, value))
foreach (WinFormsControl child in root.Controls)
if (IsContained(child, value))
return true; return true;
return false; return false;
} }
private static void ClearRightMenuReferences(WinFormsControl root, List<GridView> gridViews) private static void ClearRightMenuReferences(
IEnumerable<WinFormsControl> moduleControls,
List<GridView> gridViews)
{ {
if (_RightMenuGridView != null && (gridViews.Contains(_RightMenuGridView) || if (_RightMenuGridView != null && ContainsGridView(gridViews, _RightMenuGridView))
(_RightMenuGridView.GridControl != null && _RightMenuGridView.GridControl.IsDisposed)))
RightMenuGridView = null; RightMenuGridView = null;
if (RightMenuMyControl != null && RightMenuMyControl.MainGridEx != null && if (RightMenuMyControl != null && RightMenuMyControl.MainGridEx != null &&
(RightMenuMyControl.MainGridEx.IsDisposed || IsContained(root, RightMenuMyControl.MainGridEx))) (RightMenuMyControl.MainGridEx.IsDisposed ||
ContainsControl(moduleControls, RightMenuMyControl.MainGridEx)))
RightMenuMyControl = null; RightMenuMyControl = null;
if (BomUnionPage != null && (BomUnionPage.IsDisposed || IsContained(root, BomUnionPage))) if (BomUnionPage != null &&
(BomUnionPage.IsDisposed || ContainsControl(moduleControls, BomUnionPage)))
BomUnionPage = null; BomUnionPage = null;
if (AddParentGrid.Value != null && (AddParentGrid.Value.IsDisposed || IsContained(root, AddParentGrid.Value))) if (AddParentGrid.Value != null &&
(AddParentGrid.Value.IsDisposed || ContainsControl(moduleControls, AddParentGrid.Value)))
AddParentGrid = new KeyValuePair<string, GridControlEx>(); AddParentGrid = new KeyValuePair<string, GridControlEx>();
} }
private static void ClearDataCaches(WinFormsControl root) private static void RemoveModuleCacheReferences(
IEnumerable<WinFormsControl> moduleControls,
IEnumerable<GridView> gridViews)
{ {
if (root == null) if (moduleControls == null)
return; return;
// Clear the root first because child enumeration can fail while a HashSet<object> moduleReferences = new HashSet<object>(ReferenceEqualityComparer<object>.Instance);
// DevExpress control is disposing its child collection. foreach (WinFormsControl control in moduleControls)
ClearDynamicModels(root); if (control != null)
try moduleReferences.Add(control);
if (gridViews != null)
foreach (GridView gridView in gridViews)
if (gridView != null)
moduleReferences.Add(gridView);
HashSet<Dictionary<object, Hashtable>> moduleCaches =
new HashSet<Dictionary<object, Hashtable>>(ReferenceEqualityComparer<Dictionary<object, Hashtable>>.Instance);
HashSet<DynamicModel> moduleModels =
new HashSet<DynamicModel>(ReferenceEqualityComparer<DynamicModel>.Instance);
foreach (WinFormsControl control in moduleControls.ToList())
{ {
foreach (WinFormsControl control in EnumerateControls(root).Skip(1).ToList()) try
ClearDynamicModels(control); {
CollectDynamicModels(control, moduleCaches, moduleModels);
}
catch (Exception exception)
{
TraceCleanupFailure("收集动态缓存引用", exception);
}
} }
catch (Exception exception)
foreach (DynamicModel model in moduleModels)
if (model != null)
moduleReferences.Add(model);
// A DataCaches dictionary is normally module-local, but the legacy
// code can share one dictionary between the form, its child controls
// and model objects. Never clear a whole dictionary here: a module.
// can be opening concurrently and may not have been registered in
// ERPInfo.ModuleForms yet. Removing only keys that belong to the
// closing controls/views keeps every other module's cache intact.
foreach (Dictionary<object, Hashtable> caches in moduleCaches)
{ {
TraceCleanupFailure("遍历动态数据缓存", exception); try
{
RemoveModuleCacheEntries(caches, moduleReferences);
}
catch (Exception exception)
{
TraceCleanupFailure("移除动态缓存引用", exception);
}
} }
foreach (DynamicModel model in moduleModels)
if (model != null && model.DataCaches != null)
model.DataCaches = null;
} }
private static void ClearDynamicModels(object instance) private static void CollectDynamicModels(
object instance,
HashSet<Dictionary<object, Hashtable>> caches,
HashSet<DynamicModel> models)
{ {
if (instance == null) if (instance == null || caches == null || models == null)
return; return;
BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic; BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
for (Type type = instance.GetType(); type != null; type = type.BaseType) for (Type type = instance.GetType(); type != null; type = type.BaseType)
foreach (FieldInfo field in type.GetFields(flags | BindingFlags.DeclaredOnly)) foreach (FieldInfo field in type.GetFields(flags | BindingFlags.DeclaredOnly))
try try
{ {
ClearDynamicModel(field.GetValue(instance)); DynamicModel model = field.GetValue(instance) as DynamicModel;
if (model == null || model.DataCaches == null)
continue;
caches.Add(model.DataCaches);
models.Add(model);
} }
catch (Exception exception) catch (Exception exception)
{ {
Debug.WriteLine("清理动态缓存字段失败:" + exception); Debug.WriteLine("收集动态缓存字段失败:" + exception);
} }
} }
private static void ClearDynamicModel(object value) private static void RemoveModuleCacheEntries(
Dictionary<object, Hashtable> caches,
HashSet<object> moduleReferences)
{ {
DynamicModel model = value as DynamicModel; if (caches == null || moduleReferences == null || moduleReferences.Count == 0)
if (model == null || model.DataCaches == null)
return; return;
Dictionary<object, Hashtable> caches = model.DataCaches;
foreach (Hashtable cache in caches.Values.OfType<Hashtable>().ToList()) // DataCaches is shared by several controls in a module. Remove only
// entries keyed by controls/views in the closing module and leave
// all cached values untouched. Their actual owner decides when and
// how to dispose them.
lock (caches)
{ {
foreach (IDisposable item in cache.Values.OfType<IDisposable>().ToList()) foreach (object key in caches.Keys.Cast<object>().ToList())
try { item.Dispose(); } catch { } if (moduleReferences.Contains(key))
cache.Clear(); caches.Remove(key);
}
}
private sealed class ReferenceEqualityComparer<T> : IEqualityComparer<T>
where T : class
{
public static readonly ReferenceEqualityComparer<T> Instance =
new ReferenceEqualityComparer<T>();
public bool Equals(T x, T y)
{
return ReferenceEquals(x, y);
}
public int GetHashCode(T value)
{
return value == null ? 0 : RuntimeHelpers.GetHashCode(value);
} }
caches.Clear();
model.DataCaches = null;
} }
/// <summary> /// <summary>
/// 记录当前U盾权限窗口 /// 记录当前U盾权限窗口
+125 -4
View File
@@ -160,6 +160,19 @@ namespace Lskj.Control
/// </summary> /// </summary>
private readonly HashSet<GridControlEx> _rightTabRefreshRegisteredGrids = new HashSet<GridControlEx>(); private readonly HashSet<GridControlEx> _rightTabRefreshRegisteredGrids = new HashSet<GridControlEx>();
/// <summary> /// <summary>
/// 右侧联动事件委托。必须保存委托实例,Dispose 时才能从 GridView 正确解绑。
/// 匿名 lambda 如果不保存实例,会把 TabControlEx 通过事件闭包继续挂在已关闭的表格上。
/// </summary>
private readonly Dictionary<GridControlEx, DevExpress.XtraGrid.Views.Base.FocusedRowObjectChangedEventHandler> _rightTabRefreshHandlers =
new Dictionary<GridControlEx, DevExpress.XtraGrid.Views.Base.FocusedRowObjectChangedEventHandler>();
/// <summary>
/// 保存注册事件时的 GridView 实例。GridControlEx 在 Dispose 过程中可能
/// 清空或替换 GridView 属性;解绑时必须使用当初注册事件的同一个实例,
/// 不能再次通过 GridControlEx.GridView 取值。
/// </summary>
private readonly Dictionary<GridControlEx, GridView> _rightTabRefreshHandlerViews =
new Dictionary<GridControlEx, GridView>();
/// <summary>
/// 左右结构中的右侧页签集合。 /// 左右结构中的右侧页签集合。
/// 只有这些页签会根据数据行数禁用 ModuleGridEx 底部操作栏。 /// 只有这些页签会根据数据行数禁用 ModuleGridEx 底部操作栏。
/// </summary> /// </summary>
@@ -435,9 +448,14 @@ namespace Lskj.Control
if (leftGrid == null || rightTab == null) return; if (leftGrid == null || rightTab == null) return;
_rightTabsByLeftGrid[leftGrid] = rightTab; _rightTabsByLeftGrid[leftGrid] = rightTab;
if (!_rightTabRefreshRegisteredGrids.Contains(leftGrid)) GridView leftView = leftGrid.GridView;
if (!_rightTabRefreshRegisteredGrids.Contains(leftGrid) && leftView != null)
{ {
leftGrid.GridView.FocusedRowObjectChanged += (s, e) => RefreshRightTabAfterLeftBind(leftGrid); DevExpress.XtraGrid.Views.Base.FocusedRowObjectChangedEventHandler handler =
(s, e) => RefreshRightTabAfterLeftBind(leftGrid);
leftView.FocusedRowObjectChanged += handler;
_rightTabRefreshHandlers[leftGrid] = handler;
_rightTabRefreshHandlerViews[leftGrid] = leftView;
_rightTabRefreshRegisteredGrids.Add(leftGrid); _rightTabRefreshRegisteredGrids.Add(leftGrid);
} }
RefreshRightTab(rightTab, leftGrid);// 首次加载 RefreshRightTab(rightTab, leftGrid);// 首次加载
@@ -480,18 +498,30 @@ namespace Lskj.Control
{ {
if (ParentGridEx != null && ParentGridEx.CustomGroupBandEx != null) if (ParentGridEx != null && ParentGridEx.CustomGroupBandEx != null)
{ {
ParentGridEx.CustomGroupBandEx.BandedView.LeftCoordChanged -= OnBandedViewLeftCoordChanged;
ParentGridEx.CustomGroupBandEx.BandedView.ColumnWidthChanged -= OnBandedViewColumnWidthChanged;
ParentGridEx.OnBuildGroupedColumnCallBack -= OnBandedViewColumnWidthChanged;
ParentGridEx.CustomGroupBandEx.BandedView.LeftCoordChanged += OnBandedViewLeftCoordChanged; ParentGridEx.CustomGroupBandEx.BandedView.LeftCoordChanged += OnBandedViewLeftCoordChanged;
ParentGridEx.CustomGroupBandEx.BandedView.ColumnWidthChanged += OnBandedViewColumnWidthChanged; ParentGridEx.CustomGroupBandEx.BandedView.ColumnWidthChanged += OnBandedViewColumnWidthChanged;
ParentGridEx.OnBuildGroupedColumnCallBack += OnBandedViewColumnWidthChanged; ParentGridEx.OnBuildGroupedColumnCallBack += OnBandedViewColumnWidthChanged;
} }
if (ParentGridEx != null && ParentGridEx.CustomGroupTreeBandEx != null) if (ParentGridEx != null && ParentGridEx.CustomGroupTreeBandEx != null)
{ {
ParentGridEx.CustomGroupTreeBandEx.TreeListObj.LeftCoordChanged -= OnBandedViewLeftCoordChanged;
ParentGridEx.CustomGroupTreeBandEx.TreeListObj.ColumnWidthChanged -= OnBandedViewColumnWidthChanged;
ParentGridEx.OnBuildGroupedColumnCallBack -= OnBandedViewColumnWidthChanged;
ParentGridEx.CustomGroupTreeBandEx.TreeListObj.LeftCoordChanged += OnBandedViewLeftCoordChanged; ; ParentGridEx.CustomGroupTreeBandEx.TreeListObj.LeftCoordChanged += OnBandedViewLeftCoordChanged; ;
ParentGridEx.CustomGroupTreeBandEx.TreeListObj.ColumnWidthChanged += OnBandedViewColumnWidthChanged; ParentGridEx.CustomGroupTreeBandEx.TreeListObj.ColumnWidthChanged += OnBandedViewColumnWidthChanged;
ParentGridEx.OnBuildGroupedColumnCallBack += OnBandedViewColumnWidthChanged; ParentGridEx.OnBuildGroupedColumnCallBack += OnBandedViewColumnWidthChanged;
} }
this._gridDetail = gridDetail; this._gridDetail = gridDetail;
if (!isAddPages) this.xtc_container.TabPages.Clear(); if (!isAddPages)
{
// 重建明细页签前先解除旧左右联动关系。仅清空 TabPages 不会移除
// GridView 上的事件,因此旧页签仍可能通过事件闭包存活。
DetachRightTabRefreshHandlers();
this.xtc_container.TabPages.Clear();
}
// 1️⃣ 预分组:Rightdockid > 0 的明细 // 1️⃣ 预分组:Rightdockid > 0 的明细
var rightGroups = gridDetail var rightGroups = gridDetail
@@ -549,7 +579,12 @@ namespace Lskj.Control
rightTab.ShowTabHeader = DevExpress.Utils.DefaultBoolean.False; rightTab.ShowTabHeader = DevExpress.Utils.DefaultBoolean.False;
GridControlEx leftControl = new GridControlEx(); // Only reuse an existing grid from the left detail. The
// previous unconditional `new GridControlEx()` created an
// orphan control whenever leftCtrl was a non-grid control;
// it was never added to the visual tree or disposed, and
// its GridView event handlers kept the whole wrapper alive.
GridControlEx leftControl = null;
if (leftCtrl is GridControlEx left1) if (leftCtrl is GridControlEx left1)
{ {
leftControl = left1; leftControl = left1;
@@ -646,6 +681,7 @@ namespace Lskj.Control
this._gridDetail = gridDetail; this._gridDetail = gridDetail;
if (!isAddPages) if (!isAddPages)
{ {
DetachRightTabRefreshHandlers();
this.xtc_container.TabPages.Clear(); this.xtc_container.TabPages.Clear();
} }
string DetaiName = string.Empty; string DetaiName = string.Empty;
@@ -1865,6 +1901,7 @@ namespace Lskj.Control
public void InitTabPages(List<GridDetailModel> gridDetail, string parentValue) public void InitTabPages(List<GridDetailModel> gridDetail, string parentValue)
{ {
this._gridDetail = gridDetail; this._gridDetail = gridDetail;
DetachRightTabRefreshHandlers();
this.xtc_container.TabPages.Clear(); this.xtc_container.TabPages.Clear();
bool ProcessExists = (Lskj.Data.Caches.CacheSYSConfig.Instance().JudgeProcessExists() && SystemInfo.Instance.isExecload); bool ProcessExists = (Lskj.Data.Caches.CacheSYSConfig.Instance().JudgeProcessExists() && SystemInfo.Instance.isExecload);
@@ -2685,8 +2722,92 @@ namespace Lskj.Control
/// <param name="e"></param> /// <param name="e"></param>
private void OnTabControlExDisposed(object sender, EventArgs e) private void OnTabControlExDisposed(object sender, EventArgs e)
{ {
ReleaseRuntimeReferences();
}
/// <summary>
/// 在模块关闭但控件尚未进入 WinForms Dispose 流程时,主动解除
/// TabControlEx 持有的运行时引用。这里只解除事件和清空本控件的
/// 映射,不销毁共享的 GridControl/GridView。
/// </summary>
internal void ReleaseRuntimeReferences()
{
DetachRightTabRefreshHandlers();
DetachParentGridHandlers();
PageControlsDic?.Clear(); PageControlsDic?.Clear();
DetailTabPagesDic?.Clear(); DetailTabPagesDic?.Clear();
_gridDetail?.Clear();
_gridIntoDetail?.Clear();
ParentGridEx = null;
MrpParentGridEx = null;
MrpDetailGridEx = null;
ParentControlEx = null;
ModuleGridObj = null;
ReplaceControlEx = null;
}
/// <summary>
/// 解除左右联动刷新事件。事件委托由字典保存,保证能够与注册时使用同一个实例。
/// </summary>
private void DetachRightTabRefreshHandlers()
{
foreach (KeyValuePair<GridControlEx, DevExpress.XtraGrid.Views.Base.FocusedRowObjectChangedEventHandler> item in
_rightTabRefreshHandlers.ToArray())
{
try
{
GridView registeredView;
if (_rightTabRefreshHandlerViews.TryGetValue(item.Key, out registeredView) &&
registeredView != null && item.Value != null)
{
registeredView.FocusedRowObjectChanged -= item.Value;
}
}
catch
{
// 表格可能已先于 TabControlEx 进入 Dispose,解绑失败不应阻断剩余清理。
}
}
_rightTabRefreshHandlers.Clear();
_rightTabRefreshHandlerViews.Clear();
_rightTabsByLeftGrid.Clear();
_rightTabRefreshRegisteredGrids.Clear();
_rightSideTabPages.Clear();
}
/// <summary>
/// 解除父表聚合视图的滚动/列宽事件,避免父表事件链反向持有当前 TabControlEx。
/// </summary>
private void DetachParentGridHandlers()
{
GridControlEx parentGrid = ParentGridEx;
try
{
if (parentGrid != null && parentGrid.CustomGroupBandEx != null)
{
if (parentGrid.CustomGroupBandEx.BandedView != null)
{
parentGrid.CustomGroupBandEx.BandedView.LeftCoordChanged -= OnBandedViewLeftCoordChanged;
parentGrid.CustomGroupBandEx.BandedView.ColumnWidthChanged -= OnBandedViewColumnWidthChanged;
}
parentGrid.OnBuildGroupedColumnCallBack -= OnBandedViewColumnWidthChanged;
}
if (parentGrid != null && parentGrid.CustomGroupTreeBandEx != null)
{
if (parentGrid.CustomGroupTreeBandEx.TreeListObj != null)
{
parentGrid.CustomGroupTreeBandEx.TreeListObj.LeftCoordChanged -= OnBandedViewLeftCoordChanged;
parentGrid.CustomGroupTreeBandEx.TreeListObj.ColumnWidthChanged -= OnBandedViewColumnWidthChanged;
}
parentGrid.OnBuildGroupedColumnCallBack -= OnBandedViewColumnWidthChanged;
}
}
catch
{
// 父表可能已经释放,事件清理应保持 best-effort。
}
} }
/// <summary> /// <summary>
/// 水平滚动条改变时 /// 水平滚动条改变时