Public Overridable ReadOnly Property Palette As BitmapPalette

Dim instance As BitmapSource
Dim value As BitmapPalette

value = instance.Palette

public virtual BitmapPalette Palette { get; }

public:
virtual property BitmapPalette^ Palette {
    BitmapPalette^ get ();
}

public function get Palette () : BitmapPalette

You cannot set this property in XAML.