IMiniport::GetDescription method (portcls.h)
The GetDescription method outputs a pointer to the miniport object's filter descriptor.
Syntax
NTSTATUS GetDescription(
PPCFILTER_DESCRIPTOR *Description
);
Parameters
Description
Output pointer for the filter-descriptor pointer. This parameter points to a caller-allocated pointer variable into which the method writes a pointer to the filter descriptor. The filter descriptor is a structure of type PCFILTER_DESCRIPTOR.
Return value
This method returns NTSTATUS which contains STATUS_SUCCESS if the call was successful. Otherwise, the method returns an appropriate error code.
Remarks
The miniport driver's filter descriptor is a PCFILTER_DESCRIPTOR structure that describes the KS filter that the miniport driver implements. The structure contains descriptions of the filter's pins, nodes, connections, and properties.
Requirements
| Requirement | Value |
|---|---|
| Header | portcls.h |
| IRQL | PASSIVE_LEVEL |