GetViewportExtEx

The GetViewportExtEx function retrieves the x-extents and y-extents of the current viewport for the specified device context.

BOOL GetViewportExtEx(
  HDC hdc,  // handle of device context
  LPSIZE lpSize 
            // address of structure receiving viewport dimensions
);
 

Parameters

hdc

Handle to the device context.

lpSize

Pointer to a SIZE structure. The x- and y-extents, in device units, are placed in this structure.

Return Values

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.

QuickInfo

  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.

See Also

Coordinate Spaces and Transformations Overview, Coordinate Space and Transformation Functions, GetWindowExtEx, SetViewportExtEx, SetWindowExtEx