An ITypeDescriptorContext that provides a format context that can be used to extract additional information about the environment from which this converter is invoked. This parameter or properties of this parameter can be a null reference ( Nothing in Visual Basic )
.
Return Value
A StandardValuesCollection that holds a standard set of valid values, or a null reference ( Nothing in Visual Basic )
if the data type does not support a standard set of values.
Remarks
Use this method to get the list of compatible list controls.