SM_CXFIXEDFRAME top-level constant
int
const SM_CXFIXEDFRAME
The thickness of the frame around the perimeter of a window that has a caption but is not sizable, in pixels. SM_CXFIXEDFRAME is the height of the horizontal border, and SM_CYFIXEDFRAME is the width of the vertical border.
Implementation
const SM_CXFIXEDFRAME = SM_CXDLGFRAME;