fix #12777 Keyboard tooltip of toolStripDropDownButton item still displaying when tab to other control (#12797)

Epica3055 · web-flow · commit 51fffb84af97 · 2025-01-22T08:58:38.000+08:00
diff --git a/src/System.Windows.Forms/src/System/Windows/Forms/Controls/ToolStrips/ToolStrip.cs b/src/System.Windows.Forms/src/System/Windows/Forms/Controls/ToolStrips/ToolStrip.cs
@@ -3286,6 +3286,7 @@ protected override void OnLostFocus(EventArgs e)
     {
         base.OnLostFocus(e);
         ClearAllSelections();
+        ToolTip.Hide(this);
     }
 
     protected internal override void OnLeave(EventArgs e)

Original file line number	Diff line number	Diff line change
`@@ -3286,6 +3286,7 @@ protected override void OnLostFocus(EventArgs e)`
`3286`	`3286`	`{`
`3287`	`3287`	`base.OnLostFocus(e);`
`3288`	`3288`	`ClearAllSelections();`
	`3289`	`+ ToolTip.Hide(this);`
`3289`	`3290`	`}`
`3290`	`3291`
`3291`	`3292`	`protected internal override void OnLeave(EventArgs e)`