Affects Render)); public static readonly Dependency Property Blue Property = Dependency Property.Register("Blue", typeof(int), typeof(My Button), new Framework Property Metadata(0, Framework Property Metadata Options.Affects Render)); private void Change Background() { this. From Argb((byte)Alpha, (byte)Red, (byte)Green, (byte)Blue)); } } Lastly, this is where the databinding magic happens on the button.

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public class My Button : Button { protected override void On Render(Drawing Context drawing Context) { base.

On Render(drawing Context); Change Background(); } #region Properties public int Alpha { get { return (int)Get Value(Alpha Property); } set { Set Value(Alpha Property, value); } } public int Red { get { return (int)Get Value(Red Property); } set { Set Value(Red Property, value); } } public int Green { get { return (int)Get Value(Green Property); } set { Set Value(Green Property, value); } } public int Blue { get { return (int)Get Value(Blue Property); } set { Set Value(Blue Property, value); } } #endregion public static readonly Dependency Property Alpha Property = Dependency Property.

Register("Alpha", typeof(int), typeof(My Button), new Framework Property Metadata(255, Framework Property Metadata Options.

Affects Render)); public static readonly Dependency Property Red Property = Dependency Property.

Register("Red", typeof(int), typeof(My Button), new Framework Property Metadata(255, Framework Property Metadata Options.

Affects Render)); public static readonly Dependency Property Green Property = Dependency Property.

Register("Green", typeof(int), typeof(My Button), new Framework Property Metadata(0, Framework Property Metadata Options.

For some reason, I started looking at Windows Presentation Foundation (WPF) again.

I read a book on WPF a while back, it’s a very interesting but has a very steep learning curve (for me anyways).

One of the things I did not get about WPF was this new property system called In a nutshell, the DP system is a radical extension to the normal getter/setter Property system we are so familiar with.

The interesting thing about DP is that it’s value is not pre-determined, but always resolved, dynamically at run-time, based off a set of As you might already guessed, DP is used in almost every aspect in WPF, e.g. In my opinion, DP system brings for us programmers a new “weapon” in our ever expanding arsenal. I really like the ease of being able to databind almost about ANYTHING TO ANYTHING in WPF.