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Exception on shutdown in mdi app |
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rkosbab 
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Joined: 17 May 2005 Location: United States Status: Offline Points: 4 |
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 Topic: Exception on shutdown in mdi appPosted: 26 May 2005 at 11:21am |
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I commented out the 2003 visualstyle I had but no luck.
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Ross Kosbab
C# calling ActiveX |
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Flex
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Joined: 20 May 2005 Location: United Kingdom Status: Offline Points: 8 |
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Posted: 25 May 2005 at 7:27am |
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Are you enabling visualstyles in the application? Try commenting out the line where you do if you are... |
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rkosbab
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Joined: 17 May 2005 Location: United States Status: Offline Points: 4 |
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Posted: 24 May 2005 at 8:30am |
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I've narrowed the issue down: My app contains Syncfusion Menu bars, if I exit the app via the Syncfusion menu-bar File->exit the app shut's down correctly. If I close the app via the 'X' button in the top-right frame I recieve the exception. However I don't know of any workarounds or fixes(aside from buying CodeJock's commandbars and redesigning all my existing Syncfusion menus).
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Ross Kosbab
C# calling ActiveX |
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rkosbab
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Joined: 17 May 2005 Location: United States Status: Offline Points: 4 |
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Posted: 17 May 2005 at 9:52am |
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I'm using the dockingpane ActiveX control in a C# .NET app. My main form is an MDIContainer so in order to create panes I have to include the following code: foreach (Control ctrl in this.Controls) { if (ctrl is MdiClient) { DockingPaneManager.SetMDIClient(ctrl.Handle.ToInt32()); } } Does anyone know what this code does? And why I receive "NullReferenceException: Object reference not set to an instance of an object" at shutdown when I include it? I'm using the new dockingpane activeX control version 9.7. Any help/ideas is appreciated! |
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Ross Kosbab
C# calling ActiveX |
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