geometrydrawing

What are the letters in a XAML Geometry attribute called?

I am defining a XAML DrawingBrush resource and I want to draw a custom shape. I found the following GeometryDrawing example: <GeometryDrawing Geometry="M0,0.1 L0.1,0 1,0.9, 0.9,1z" Brush="Gray" /> What do the M, L, and z letters in the Geometry attribute mean? What are they called? ...

Using multiple brushes within a single GeometryDrawing in WPF

Is it possible to use multiple brushes within a single GeometryDrawing? I have several geometries that I want to draw with different brushes, and it's rather verbose to have to declare an individual GeometryDrawing for each. I'm looking for a more concise way to express the following: <DrawingImage x:Key="SomeDrawingImage"> <Drawing...