Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Sends the specified message to the installable driver.
Syntax
LRESULT SendDriverMessage(
[in] HDRVR hDriver,
[in] UINT message,
[in, out] LPARAM lParam1,
[in, out] LPARAM lParam2
);
Parameters
[in] hDriver
Handle of the installable driver instance. The handle must been previously created by using the OpenDriver function.
[in] message
Driver message value. It can be a custom message value or one of these standard message values.
| Value | Meaning |
|---|---|
| Queries an installable driver about whether it supports the DRV_CONFIGURE message and can display a configuration dialog box. | |
| Notifies an installable driver that it should display a configuration dialog box. (This message should only be sent if the driver returns a nonzero value when the DRV_QUERYCONFIGURE message is processed.) | |
| Notifies an installable driver that it has been successfully installed. | |
| Notifies an installable driver that it is about to be removed from the system. |
[in, out] lParam1
32-bit message-dependent information.
[in, out] lParam2
32-bit message-dependent information.
Return value
Returns nonzero if successful or zero otherwise.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only],Installable Drivers, Installable Driver Functions |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | mmiscapi.h (include Mmiscapi.h, Windows.h) |
| Library | Winmm.lib |
| DLL | Winmm.dll |