fix: 收敛旧模块资源释放与诊断

2026-08-15 10:13:08 +08:00
parent 222ae3c08a
commit c49015d390
60 changed files with 4218 additions and 409 deletions
@@ -26,6 +26,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Data.SqlClient;
+using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
@@ -89,6 +90,7 @@ namespace Lskj.PubBill
        /// </summary>
        private DataTable _detailColumns;
        private bool IsCopying = false;
+        private bool _moduleResourcesReleased;


        protected DataRow BillRowItem;
@@ -260,6 +262,155 @@ namespace Lskj.PubBill
            InitializeComponent();
        }

+        /// <summary>
+        /// Releases runtime objects created by the bill module. Cleanup is
+        /// idempotent and best-effort so it cannot change the close result.
+        /// </summary>
+        public void ReleaseModuleResources()
+        {
+            if (_moduleResourcesReleased)
+                return;
+            _moduleResourcesReleased = true;
+
+            TryRelease(() => PrintUtil.OnAfterPrint -= new EventHandler(OnReportPrintAfter), "打印回调");
+            TryRelease(ReleaseModuleEvents, "模块事件");
+            TryRelease(ReleaseModuleDataSources, "模块数据源");
+            TryRelease(ReleaseRuntimeCollections, "运行时集合");
+
+            BillRowItem = null;
+            ControlObj = null;
+            BillModel = null;
+            SysModel = null;
+            SumGridColumn = null;
+            ScanCodeTextEdit = null;
+            InitialSelectionTab = null;
+            _imageEdit = null;
+            _waterMark = null;
+            _itemImport = null;
+            _itemImportUpdate = null;
+        }
+
+        private void ReleaseModuleEvents()
+        {
+            if (ScanCodeTextEdit != null)
+                ScanCodeTextEdit.KeyDown -= Text_KeyDown;
+
+            if (gcMain != null)
+            {
+                gcMain.OnAfterLinkCilk -= OnAfterLinkCilkCall;
+                gcMain.OnAllAfterParseCallBack -= OnAllAfterParseCallBack;
+                if (gcMain.GridControl != null)
+                    gcMain.GridControl.DataSourceChanged -= OnGcMainDataSourceChanged;
+                if (gcMain.GridView != null)
+                {
+                    gcMain.GridView.KeyDown -= OnToWithdraw;
+                    gcMain.GridView.ShowingEditor -= OnGridViewShowingEditor;
+                    gcMain.GridView.MouseDown -= GridView_MouseDown;
+                    gcMain.GridView.FocusedRowChanged -= GridView_FocusedRowChanged;
+                    gcMain.GridView.InitNewRow -= OnGridViewInitNewRow;
+                    gcMain.GridView.CellValueChanged -= OnGridViewCellValueChanged;
+                    gcMain.GridView.RowCellClick -= OngcMainRowCellClick;
+                }
+            }
+
+            if (tb_buttom != null)
+            {
+                tb_buttom.OnDetailSaveGridCallBack -= Tab_OnDetailSaveGridCallBack;
+                tb_buttom.BillDetailRightGridCallBack -= Tab_OnDetailSaveGridCallBack;
+                tb_buttom.OnRightCallback -= OnButtomRightCallBack;
+                if (tb_buttom.TabControlObj != null)
+                    tb_buttom.TabControlObj.SelectedPageChanged -= TabControlObj_SelectedPageChanged;
+            }
+        }
+
+        private void ReleaseModuleDataSources()
+        {
+            foreach (System.Windows.Forms.Control control in EnumerateChildControls(this).ToList())
+            {
+                GridControlEx grid = control as GridControlEx;
+                if (grid != null)
+                {
+                    TreeGridControlEx treeGrid = grid as TreeGridControlEx;
+                    if (treeGrid != null && treeGrid.TreeListObj != null)
+                        treeGrid.TreeListObj.DataSource = null;
+                    if (grid.GridControl != null)
+                        grid.GridControl.DataSource = null;
+                }
+
+                XtraTabPage tabPage = control as XtraTabPage;
+                if (tabPage != null)
+                    tabPage.Tag = null;
+            }
+
+            if (_imageEdit != null && _imageEdit.TextEdit != null)
+                _imageEdit.TextEdit.Image = null;
+            if (cb_input != null)
+                cb_input.Properties.Items.Clear();
+            if (cb_templete != null)
+                cb_templete.Properties.Items.Clear();
+        }
+
+        private static IEnumerable<System.Windows.Forms.Control> EnumerateChildControls(
+            System.Windows.Forms.Control root)
+        {
+            if (root == null)
+                yield break;
+            yield return root;
+            foreach (System.Windows.Forms.Control child in root.Controls)
+                foreach (System.Windows.Forms.Control nested in EnumerateChildControls(child))
+                    yield return nested;
+        }
+
+        private void ReleaseRuntimeCollections()
+        {
+            foreach (BillModuleModel model in BillModuleModelDic.Values.ToList())
+            {
+                if (model == null)
+                    continue;
+                model.SourceControl = null;
+                model.SourceDetailControl = null;
+                model.SourceDetailDetailControl = null;
+                model.SourceModel = null;
+            }
+            BillModuleModelDic.Clear();
+            pageNumKey.Clear();
+            foreach (Dictionary<int, DataRow> rows in ToWithdrawRows)
+                if (rows != null)
+                    rows.Clear();
+            ToWithdrawRows.Clear();
+            ChangeColorRow.Clear();
+            DateColumnList.Clear();
+            itemCommonList.Clear();
+            ColorHandles.Clear();
+            if (DetailMappingField != null)
+                DetailMappingField.Clear();
+            if (_printSaveParams != null)
+                _printSaveParams.Clear();
+
+            if (_detailColumns != null)
+            {
+                _detailColumns.Dispose();
+                _detailColumns = null;
+            }
+            if (SaveCondTab != null)
+            {
+                SaveCondTab.Dispose();
+                SaveCondTab = null;
+            }
+        }
+
+        private static void TryRelease(Action release, string operation)
+        {
+            try
+            {
+                release();
+            }
+            catch (Exception exception)
+            {
+                Debug.WriteLine("释放单据模块资源失败[" + operation + "]：" + exception);
+            }
+        }
+
        #region 初始化操作
        /// <summary>
        /// <para>说明：窗口加载</para>