OffsetRect info Overview Group

The OffsetRect function moves the specified rectangle by the specified offsets.

BOOL OffsetRect(

LPRECT lprc,	// pointer to structure with rectangle
int dx,	// horizontal offset
int dy	// vertical offset
);

Parameters

lprc: Points to a RECT structure that contains the logical coordinates of the rectangle to be moved.
dx: Specifies the amount to move the rectangle left or right. This parameter must be a negative value to move the rectangle to the left.
dy: Specifies the amount to move the rectangle up or down. This parameter must be a negative value to move the rectangle up.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.