fix(control): 修复金额单元格关闭阶段异常

2026-08-15 16:00:10 +08:00
parent 7d8ad77f5c
commit fc5faab65d
4 changed files with 125 additions and 20 deletions
@@ -12,10 +12,15 @@ using DevExpress.XtraGrid.Views.Grid;
 using DevExpress.XtraGrid.Views.Grid.ViewInfo;

 // Token: 0x02000003 RID: 3
-public class AmountCellRender
+public class AmountCellRender : IDisposable
 {
 	public AmountCellRender(GridView gridView_0)
 	{
+		if (gridView_0 == null)
+		{
+			throw new ArgumentNullException("gridView_0");
+		}
+
 		Class5.gBkiB4AzUqwkh();
 		this.colorGray = Color.FromArgb(189, 185, 185);
 		this.colorGreen = Color.Green;
@@ -25,23 +30,58 @@ public class AmountCellRender
 		this.dictionary_0 = new Dictionary<string, Class2>();
 		this.list_0 = new List<GridColumn>();
 		this.object_0 = gridView_0;
+		this.gridControl_0 = this.object_0.GridControl;
 		this.object_0.CustomDrawCell += this.object_0_CustomDrawCell;
 		this.object_0.CustomDrawColumnHeader += this.object_0_CustomDrawColumnHeader;
 		this.object_0.CustomDrawFooterCell += this.object_0_CustomDrawFooterCell;
-		this.object_0.GridControl.Paint += this.method_0;
+		if (this.gridControl_0 != null)
+		{
+			this.gridControl_0.Paint += this.method_0;
+		}
 	}

 	private void method_0(object sender, PaintEventArgs e)
 	{
-		BaseViewInfo viewInfo = ((sender as GridControl).FocusedView as GridView).GetViewInfo();
+		if (this.disposed || this.list_0.Count == 0)
+		{
+			return;
+		}
+
+		GridControl gridControl = sender as GridControl;
+		if (gridControl == null || gridControl.IsDisposed || gridControl.Disposing)
+		{
+			return;
+		}
+
+		GridView gridView = gridControl.FocusedView as GridView;
+		if (gridView == null)
+		{
+			return;
+		}
+
+		GridViewInfo gridViewInfo = gridView.GetViewInfo() as GridViewInfo;
+		if (gridViewInfo == null || gridViewInfo.ColumnsInfo == null)
+		{
+			return;
+		}
+
 		foreach (GridColumn gridColumn in this.list_0)
 		{
-			Class2 @class = this.dictionary_0[gridColumn.Name];
+			Class2 @class;
+			if (gridColumn == null ||
+				!this.dictionary_0.TryGetValue(gridColumn.Name, out @class) ||
+				@class == null)
+			{
+				continue;
+			}
+
 			if (@class.IsCountinuousCell())
 			{
-				GridViewInfo gridViewInfo = viewInfo as GridViewInfo;
                GridColumnInfoArgs gridColumnInfoArgs = gridViewInfo.ColumnsInfo[gridColumn];
-                if (gridColumnInfoArgs == null) return;
+				if (gridColumnInfoArgs == null)
+				{
+					continue;
+				}
 				int num = 0;
 				int int_;
 				if (@class.method_4())
@@ -82,10 +122,16 @@ public class AmountCellRender

 	private void object_0_CustomDrawCell(object sender, RowCellCustomDrawEventArgs e)
 	{
-		if (this.dictionary_0.ContainsKey(e.Column.Name))
+		if (this.disposed || e.Column == null)
+		{
+			return;
+		}
+
+		Class2 @class;
+		if (this.dictionary_0.TryGetValue(e.Column.Name, out @class) &&
+			@class != null)
 		{
 			e.DisplayText = "";
-			Class2 @class = this.dictionary_0[e.Column.Name];
 			Rectangle bounds = e.Bounds;
 			Rectangle rectangle_ = bounds;
 			Graphics graphics = e.Graphics;
@@ -98,14 +144,20 @@ public class AmountCellRender

 	private void object_0_CustomDrawFooterCell(object sender, FooterCellCustomDrawEventArgs e)
 	{
-		if (this.dictionary_0.ContainsKey(e.Column.Name))
+		if (this.disposed || e.Column == null)
+		{
+			return;
+		}
+
+		Class2 @class;
+		if (this.dictionary_0.TryGetValue(e.Column.Name, out @class) &&
+			@class != null)
 		{
-			Class2 @class = this.dictionary_0[e.Column.Name];
 			if (@class.method_8())
 			{
 				e.Info.DisplayText = "";
 				Rectangle bounds = e.Bounds;
-				@class.method_17(bounds, e.Graphics, e.Appearance.Font, e.Info.Value.ToString());
+				@class.method_17(bounds, e.Graphics, e.Appearance.Font, Convert.ToString(e.Info.Value));
 				e.Handled = true;
 			}
 		}
@@ -113,13 +165,15 @@ public class AmountCellRender

 	private void object_0_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e)
 	{
-		if (e.Column == null)
+		if (this.disposed || e.Column == null)
 		{
 			return;
 		}
-		if (this.dictionary_0.ContainsKey(e.Column.Name))
+
+		Class2 @class;
+		if (this.dictionary_0.TryGetValue(e.Column.Name, out @class) &&
+			@class != null)
 		{
-			Class2 @class = this.dictionary_0[e.Column.Name];
 			if (@class.method_6())
 			{
 				e.Column.Caption = "";
@@ -204,14 +258,44 @@ public class AmountCellRender

    public void RemoveAmountColumn(GridColumn gridColumn_0)
 	{
-		if (this.dictionary_0.ContainsKey(gridColumn_0.Name))
+		if (gridColumn_0 != null && this.dictionary_0.ContainsKey(gridColumn_0.Name))
 		{
 			this.dictionary_0.Remove(gridColumn_0.Name);
 			this.list_0.Remove(gridColumn_0);
 		}
 	}

+	public void Dispose()
+	{
+		if (this.disposed)
+		{
+			return;
+		}
+
+		this.disposed = true;
+		GridView gridView = this.object_0;
+		GridControl gridControl = this.gridControl_0;
+		this.object_0 = null;
+		this.gridControl_0 = null;
+
+		if (gridView != null)
+		{
+			gridView.CustomDrawCell -= this.object_0_CustomDrawCell;
+			gridView.CustomDrawColumnHeader -= this.object_0_CustomDrawColumnHeader;
+			gridView.CustomDrawFooterCell -= this.object_0_CustomDrawFooterCell;
+		}
+		if (gridControl != null)
+		{
+			gridControl.Paint -= this.method_0;
+		}
+
+		this.dictionary_0.Clear();
+		this.list_0.Clear();
+	}
+
 	private GridView object_0;
+	private GridControl gridControl_0;
+	private bool disposed;

 	private Color colorGray;
 	private Color colorGreen;