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MCIWNDM_GETLENGTH message

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The MCIWNDM_GETLENGTH message retrieves the length of the content or file currently used by an MCI device. You can send this message explicitly or by using the MCIWndGetLength macro.

MCIWNDM_GETLENGTH 
wParam = 0; 
lParam = 0;

Return Value

Returns the length. The units for the length depend on the current time format.

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

MCIWndGetLength