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 Button Appearnace Crash and ReplaceButton( -1 ...		  New Topic  Reply to Topic
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doodaddy

61 Posts
Posted - 09/03/2001 :  1:09:53 PM  Show Profile  Reply with Quote
I have a CBCGToolbarMenuButton (that has a drop-down menu). I don't want the button to do anything but drop-down this menu. In other words, it shouldn't have a default command if you press the icon part.

So, when I built the button, I set the command ID to -1, which is legal.


	CMenu M;
	M.LoadMenu( IDM_VIEW_LAYOUT );


	int image = CImageHash::GetImageOfCommand( ID_VIEW_LAYOUT );
	CBCGToolbarMenuButton B( -1, *M.GetSubMenu( 0 ), image, _T( "Layout" ) );
	fileBar.ReplaceButton( ID_VIEW_LAYOUT, B );



It works, but...

When I go to the "Button Appearance..." for this button, there is no default image listed and the choice is greyed out (which is different from another menu button I have with a default command).

WORSE, if I click in the dimmed image edit area, the program crashes!

Am I doing something wrong?

doodaddy

61 Posts
Posted - 09/03/2001 :  1:45:35 PM  Show Profile  Reply with Quote
I have another disadvantage to the CBCGToolbarMenuButton without a default command. (In other words, a toolbar button that brings up a menu but has no default action when clicked on the icon):

By setting the default command ID to -1, I'm not sure how to dim the button if necessary. I'd like to disable the button if none of the menu options below it are available.

Thanks,
Charlie
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Support

2571 Posts
Posted - 09/03/2001 :  1:54:15 PM  Show Profile  Visit Support's Homepage  Reply with Quote
Could you, please, send us a sample program that demonstrates these problems and we'll take a look.

Thanks in advance,

Technical Support
BCGSoft Ltd.
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doodaddy

61 Posts
Posted - 09/03/2001 :  2:28:00 PM  Show Profile  Reply with Quote
quote:

Could you, please, send us a sample program that demonstrates these problems and we'll take a look.


Sure. I get this behaviour when running BCGIEDemo!


  • Load BCGIEDemo
  • Go into customize mode
  • right click the "Font" button and bring up the menu
  • select Button Appearance...

On my machine, the "default image" radio button is dimmed, and clicking the image edit area (which is dimmed) will crash.

The problem seems to be that the font button is an example of a drop-down menu button without a default command. The command value of -1 confuses it!

Further, I'd like to be able to disable the button, such as "font," in an command update handler if I find out that a font shouldn't be set for some reason.

Thanks,
Charlie
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Support

2571 Posts
Posted - 09/03/2001 :  3:01:03 PM  Show Profile  Visit Support's Homepage  Reply with Quote
Thanks. The fix will be available in the next library release.

Best regards,

Technical Support
BCGSoft Ltd.
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