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MCIWNDM_SETZOOM message

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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 Value

This message does not return a value.

Requirements

Requirement Value
Minimum supported client
 Windows 2000 Professional [desktop apps only]
Minimum supported server
 Windows 2000 Server [desktop apps only]
Header
Vfw.h

See also

MCIWndSetZoom