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