CRect::Width
Calculates the width of CRect by subtracting the left value from the right value.
int Width( ) const throw( );
Return Value
The width of CRect.
Remarks
The width can be negative.
备注
The rectangle must be normalized or this function may fail. You can call NormalizeRect to normalize the rectangle before calling this function.
Example
CRect rect(20, 30, 80, 70);
int nWid = rect.Width();
// nWid is now 60
ASSERT(nWid == 60);
Requirements
Header: atltypes.h