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. |
lParam1 and lParam2
32-bit
message-dependent information.
Return Value
Returns
nonzero if successful or zero otherwise.