IWMSContext.GetValue (Visual Basic .NET)
The GetValue method retrieves an Object containing the value assigned to a name-value pair in the context.
IWMSContext.GetValue( pstrName As String,
lNameHint As Int32,
ByRef pValue As Object,
lOptions As Int32
)
Arguments
String specifying the name portion of the name-value pair in the context. |
|
Int32 containing an optional key that can be used to more efficiently access a value. |
|
Reference to an Object containing the value. |
|
Reserved for future use. |
Return Value
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
Dim Context As IWMSContext
Dim pUnknown As IntPtr
Dim oValue As Object
Try
m_ClassFactory.AllocIWMSContext(GetType(IWMSContext).GUID, _
WMS_CONTEXT_TYPE.WMS_USER_CONTEXT_TYPE, _
pUserContext, pUnknown)
Context = Marshal.GetTypedObjectForIUnknown(pUnknown, _
GetType(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_ID, _
oValue, 0)
Catch e As Exception
' TODO: Handle exceptions.
End Try
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.