IWMSContext.GetValue (C#)
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IWMSContext.GetValue (C#)
The GetValue method retrieves an object containing the value assigned to a name-value pair in the context.
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.
pValue
Reference to an object containing the value.
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. |
| 0x80004003 | pValue is null. |
Example Code
Guid ContextGuid = typeof(IWMSContext).GUID;
IWMSContext Context;
IntPtr pUnknown;
object oValue;
try
{
m_ClassFactory.AllocIWMSContext(ref ContextGuid,
WMS_CONTEXT_TYPE.WMS_USER_CONTEXT_TYPE,
pUserContext, out pUnknown);
Context = (IWMSContext)Marshal.GetTypedObjectForIUnknown(pUnknown,
typeof(IWMSContext));
Context.SetStringValue(WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE,
WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE_ID,
"My Title", 0);
Context.SetLongValue(WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP,
WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP_ID,
1, 0);
Context.GetValue(WMSDefines.WMS_COMMAND_CONTEXT_RATE,
WMSDefines.WMS_COMMAND_CONTEXT_RATE,
out oValue, 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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