mmioSendMessage
The mmioSendMessage
function sends a message to the I/O procedure associated with the specified
file.
LRESULT mmioSendMessage(
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HMMIO hmmio, |
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UINT wMsg, |
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LPARAM lParam1, |
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LPARAM lParam2 |
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); |
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Parameters
hmmio
File handle
for a file opened by using the mmioOpen function.
wMsg
Message to
send to the I/O procedure.
lParam1
and lParam2
Parameters
for the message.
Return Values
Returns a
value that corresponds to the message. If the I/O procedure does not recognize
the message, the return value should be zero.
Remarks
Use this
function to send custom user-defined messages. Do not use it to send the
MMIOM_OPEN, MMIOM_CLOSE, MMIOM_READ, MMIOM_WRITE, MMIOM_WRITEFLUSH, or
MMIOM_SEEK messages. Define custom messages to be greater than or equal to the
MMIOM_USER constant.
See Also