mmioSendMessage

The mmioSendMessage function sends a message to the I/O procedure associated with the specified file.

LRESULT mmioSendMessage(

HMMIO hmmio,
UINT wMsg,
LPARAM lParam1,
LPARAM lParam2
);

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

mmioOpen, MMIOM_OPEN, MMIOM_CLOSE, MMIOM_READ, MMIOM_WRITE, MMIOM_WRITEFLUSH, MMIOM_SEEK

Software for developers

Delphi Components
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More information resources

MegaDetailed.Net
Unix Manual Pages
Delphi Examples