This function retrieves the x-extents and y-extents of the window for the specified device context.
BOOL GetWindowExtEx(
HDC hdc, // handle of device context
LPSIZE lpSize // address of structure receiving window extents
);
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
Windows NT: To get extended error information, call GetLastError.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in wingdi.h.
Import Library: Use gdi32.lib.
Coordinate Spaces and Transformations Overview, Coordinate Space and Transformation Functions, GetViewportExtEx, SetViewportExtEx, SetWindowExtEx