SM_CXSIZEFRAME top-level constant
int
const SM_CXSIZEFRAME
The thickness of the sizing border around the perimeter of a window that can be resized, in pixels. SM_CXSIZEFRAME is the width of the horizontal border, and SM_CYSIZEFRAME is the height of the vertical border.
Implementation
const SM_CXSIZEFRAME = SM_CXFRAME;