SendDriverMessage
Sends the specified message to the installable driver. LRESULT SendDriverMessage(HDRVR hdrvr, UINT msg, LONG lParam1,LONG lParam2);
Parameters hdrvr Handle of the installable driver instance. The handle must been previously created by using the OpenDriver function. msg Driver message value. It can be a custom message value or one of these standard message values:
| DRV_QUERYCONFIGURE
| Queries an installable driver about whether it supports the DRV_CONFIGURE message and can display a configuration dialog box.
|
| DRV_CONFIGURE
| 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.)
|
| DRV_INSTALL
| Notifies an installable driver that it has been successfully installed.
|
| DRV_REMOVE
| Notifies an installable driver that it is about to be removed from the system.
|
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