ID value for message.
[Visual Basic 6.0] Property ID As String
[Visual Basic .NET] Public ReadOnly Property ID As String
[C#] public string ID {get;}
[Java] public String getID() throws IOException, AutomationException
[C++]
HRESULT get_ID(
BSTR* pVal
);
Parameters
pVal [out, retval]
pVal is a parameter of type BSTR