TB_CHANGEBITMAP


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TB_CHANGEBITMAP
TB_CHANGEBITMAP 
    wParam = (WPARAM) idButton; 
    lParam = (LPARAM) MAKELPARAM(iBitmap, 0); 
Changes the bitmap for a button in a toolbar.
Returns TRUE if successful, or FALSE otherwise.

idButton
Command identifier of the button that is to receive a new bitmap.
iBitmap
Zero-based index of an image in the toolbar's image list. The system displays the specified image in the button.

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