Article ID: 817795 - View products that this article applies to.
When you work with ToolTip components in Microsoft Visual Studio .NET with Windows Forms in multiple-document interface (MDI) mode, your application may experience a memory leak every time that the ToolTip components are used on the child MDI form. You may notice this problem as an increase in the Graphics Device Interface (GDI) Object count that Microsoft Windows Task Manager displays as the operation repeats.
To view the GDI Object count in Task Manager, follow these steps:
This problem occurs when you have a ToolTip component embedded on a child MDI form, and the child MDI form is destroyed. The ToolTip component is not garbage collected after the MDI form is destroyed.
To resolve this problem, obtain the latest service pack for Microsoft .NET Framework 1.0 or Microsoft .NET Framework 1.1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For MDI forms that have ToolTip components, add the following code to the MDI form to destroy all ToolTip components, when the form is destroyed:
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 817795 - Last Review: September 27, 2005 - Revision: 2.7