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changing icon in win32 during runtime

General and Gameplay Programming Programming

Started by andyb716 January 19, 2005 12:46 PM

3 comments, last by Colin Jeanne 19 years, 3 months ago

andyb716

100

Author

January 19, 2005 12:46 PM

Hi how do I change the icon in the title bar. I have a custom window class that creates a window with the default IDI_APPLICATION icon. I want to inherit the class and then be able to change the icon. I looked at msdn and it said to do this.


void Icon(int icon)
{
   SetClassLongPtr(m_hWnd, GCL_HICON, 
	(LONG)LoadIcon(m_hInst, MAKEINTRESOURCE(icon)));
}

But it doesn't change, is there something I am missing.

Tybon

194

January 19, 2005 01:11 PM

I think the icon on the title bar is the small icon, which should be GCLP_HICONSM instead of GCL_HICON

andyb716

100

Author

January 19, 2005 01:33 PM

so what does GCL_HICON change?

Tybon

194

January 19, 2005 01:45 PM

GCL_HICON changes the big icon, the ones on the program list when you do an alt-tab.

Colin Jeanne

1,115

January 19, 2005 06:24 PM

Dont you think it would just be easier to use WM_SETICON? Example here

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changing icon in win32 during runtime

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