MCIWNDM_SENDSTRING message
The MCIWNDM_SENDSTRING message sends an MCI command in string form to the device associated with the MCIWnd window. You can send this message explicitly or by using the MCIWndSendString macro.
MCIWNDM_SENDSTRING
wParam = 0;
lParam = (LPARAM) (LPSTR) sz;
Parameters
-
sz
-
String command to send to the MCI device.
Return Value
Returns zero if successful or an error otherwise.
Remarks
The message handler for MCIWNDM_SENDSTRING appends a device alias to the MCI command you send to the device. Therefore, you should not use any alias in an MCI command that you issue with MCIWNDM_SENDSTRING.
To get the return string, which contains the result of the command, send the MCIWNDM_RETURNSTRING message.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|