IMSVidDevice::get_Category method (segment.h)
[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]
The get_Category method retrieves the category of the device as a BSTR.
Syntax
HRESULT get_Category(
[out] BSTR *Guid
);
Parameters
[out] Guid
BSTR that receives the device category.
Return value
Returns an HRESULT value. Possible values include the following.
| Return code | Description |
|---|---|
|
Success. |
|
NULL pointer argument. |
Remarks
The device category is identified by a GUID. This method returns a string representation of the GUID.
This method is provided for Automation clients. C++ applications can use the IMSVidDevice::get__Category method, which returns a GUID rather than a BSTR.
The caller must free the returned string, using the SysFreeString function.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows�XP [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | segment.h (include Msvidctl.h) |