fix #12818 : Keyboard tooltip of item in toolStrip2 is not displayed after expanded and collapsed the toolStripDropDownbutton in toolStrip1, then tab to toolStrip2's item

Epica3055 · Epica3055 · commit 810320c126f6 · 2025-01-24T10:35:27.000+08:00
fix #12819 : Keyboard tooltip of toolStripDropDownbutton in toolStrip1 is displayed after expanded and collapsed the toolStripDropDownbutton in toolStrip2
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
@@ -3286,7 +3286,7 @@ protected override void OnLostFocus(EventArgs e)
     {
         base.OnLostFocus(e);
         ClearAllSelections();
-        ToolTip.Hide(this);
+        ToolTip.RemoveAll();
     }
 
     protected internal override void OnLeave(EventArgs e)

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