ITMediaSupport::QueryMediaType method (tapi3if.h)
The QueryMediaType method indicates whether the service provider associated with the current address supports the media type or types indicated by lMediaType.
Syntax
HRESULT QueryMediaType(
[in] long lMediaType,
[out] VARIANT_BOOL *pfSupport
);
Parameters
[in] lMediaType
Media type or types being queried.
[out] pfSupport
Pointer to a VARIANT_BOOL indicating whether the media type is supported. If the returned value is VARIANT_TRUE, the media is supported; if it is VARIANT_FALSE, the media is not supported.
Return value
This method can return one of these values.
Return code | Description |
---|---|
|
Method succeeded. |
|
The pfSupport parameter is not a valid pointer. |
|
Insufficient memory exists to perform the operation. |
Requirements
Requirement | Value |
---|---|
Target Platform | Windows |
Header | tapi3if.h (include Tapi3.h) |
Library | Uuid.lib |
DLL | Tapi3.dll |