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mciSetYieldProc function

The mciSetYieldProc function sets the address of a procedure to be called periodically when an MCI device is waiting for a command to finish because the "wait" (MCI_WAIT) flag was specified.

Syntax


UINT mciSetYieldProc(
  MCIDEVICEID IDDevice,
  YIELDPROC yp,
  DWORD dwYieldData
);

Parameters

IDDevice

Identifier of the device to assign a procedure to.

yp

Pointer to the procedure to call when yielding for the specified device. If this parameter is NULL, the function disables any existing yield procedure.

dwYieldData

Data to be sent to the yield procedure when it is called for the specified device.

Return value

Returns TRUE if successful or FALSE otherwise.

Remarks

This function overrides any previous yield procedure for this device.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

Library

Winmm.lib

DLL

Winmm.dll

See also

MCI
MCI Functions

 

 

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