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 |