MCIWNDM_SETZOOM

The MCIWNDM_SETZOOM message resizes a video image according to a zoom factor. This marco adjusts the size of an MCIWnd window while maintaining a constant aspect ratio. You can send this message explicitly or by using the MCIWndSetZoom macro.

MCIWNDM_SETZOOM 
wParam = 0; 
lParam = (LPARAM) (UINT) iZoom; 
 

Parameters

iZoom

Zoom factor expressed as a percentage of the original image. Specify 100 to display the image at its authored size, 200 to display the image at twice its normal size, or 50 to display the image at half its normal size.

Return Values

This message does not return a value.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in vfw.h.

See Also

MCIWnd Window Class Overview, MCIWnd Messages, MCIWndSetZoom