fix(legacy): release hosted module resources safely

插件库/Lskj.Control/GridControlEx.cs

@@ -634,6 +634,7 @@ namespace Lskj.Control
             // 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();
+            DisposeOwnedLookupFormsForDispose();
             if (gridViewRightMenu != null)
             {
                 gridViewRightMenu.ReleaseResourcesForDispose();
@@ -683,6 +684,70 @@ namespace Lskj.Control
             LabPicUrlPreview.Detach(gridView);
         }
 
+        private void DisposeOwnedLookupFormsForDispose()
+        {
+            HashSet<Form> forms = new HashSet<Form>();
+            foreach (FrmModelLookUp2 modelLookUp in
+                selectReturnModelLookUpCache.Values.Distinct())
+            {
+                if (modelLookUp != null)
+                {
+                    forms.Add(modelLookUp);
+                }
+            }
+
+            selectReturnModelLookUpCache.Clear();
+            selectReturnDisplaySourceCache.Clear();
+
+            RepositoryItem[] repositoryItems = null;
+            try
+            {
+                if (gridControl != null)
+                {
+                    repositoryItems = gridControl.RepositoryItems
+                        .Cast<RepositoryItem>()
+                        .ToArray();
+                }
+            }
+            catch
+            {
+                // The inner control may already be disposing its repository collection.
+            }
+
+            if (repositoryItems != null)
+            {
+                foreach (RepositoryItemButtonEdit buttonEditor in
+                    repositoryItems.OfType<RepositoryItemButtonEdit>())
+                {
+                    foreach (EditorButton button in buttonEditor.Buttons)
+                    {
+                        Form form = button.Tag as Form;
+                        if (form == null)
+                        {
+                            continue;
+                        }
+
+                        button.Tag = null;
+                        forms.Add(form);
+                    }
+                }
+            }
+
+            foreach (Form form in forms)
+            {
+                try
+                {
+                    if (!form.IsDisposed)
+                    {
+                        form.Dispose();
+                    }
+                }
+                catch
+                {
+                    // A helper form must not prevent its owning grid from closing.
+                }
+            }
+        }
         private void DisposeGridResources()
         {
             if (_gridResourcesDisposed)
@@ -723,6 +788,7 @@ namespace Lskj.Control
             mControlList.Clear();
             ColumnList.Clear();
             AutoPadDataReleColList.Clear();
+            DisposeOwnedLookupFormsForDispose();
             FrozenColumns.Clear();
             ImageList.Clear();
             RepeatedVerificationNames.Clear();