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Enables the driver. The driver should initialize any variables and locate devices with the input and output (I/O) interface.
Parameters
-
hdrvr
-
Handle of the installable driver instance.
Return Value
No return value.
Remarks
The dwDriverId, lParam1, and lParam2 parameters are not used.
Drivers are considered enabled from the time they receive this message until they are disabled by using the DRV_DISABLE message.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|