TB_SETBUTTONSIZE  FAAM3A 

The TB_SETBUTTONSIZE sets the size of the buttons to be added to a toolbar.

TB_SETBUTTONSIZE

wParam = 0;

lParam = (LPARAM) MAKELONG(dxButton, dyButton)

Parameters

dxButton

Width, in pixels, of the buttons.

dyButton

Height, in pixels, of the buttons.

Return Values

Returns TRUE if successful or FALSE otherwise.

Remarks

The size can be set only before adding any buttons to the toolbar. If an application does not explicitly set the button size, the size defaults to 24 by 22 pixels.