IWMSContext.GetAndQueryIUnknownValue (C#)
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IWMSContext.GetAndQueryIUnknownValue (C#)
The GetAndQueryIUnknownValue method retrieves a specified object.
Syntax
Parameters
pstrName
string specifying the name portion of the name-value pair in the context.
lNameHint
int containing an optional key that can be used to more efficiently access a value.
riid
Reference to a Guid identifying the requested object.
pResult
Reference to the specified object.
lOptions
Reserved for future use.
Return Values
This method does not return a value.
If this method fails, it throws an exception.
Number | Description |
0x8002000B | The property specified by the pstrName parameter could not be found. |
0x80020005 | The data type of the property specified by the pstrName parameter is not VT_UNKNOWN. |
0x80004003 | pResult is null. |
Example Code
Guid ServerGuid = typeof(IWMSServer).GUID; object pServer; try { pServerContext.GetAndQueryIUnknownValue(WMSDefines.WMS_SERVER, WMSDefines.WMS_SERVER_ID, ref ServerGuid, out pServer, 0); } catch( Exception e ) { // TODO: Handle exceptions. }
Requirements
Reference: Add a reference to Microsoft.WindowsMediaServices.
Namespace: Microsoft.WindowsMediaServices.Interop.
Assembly: Microsoft.WindowsMediaServices.dll.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.
See Also
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