Enter a color in a textbox and change the color fill in a rectangle

Wow! This is exciting isn’t it?  With just a few lines of XAML you can change the fill of a rectangle.  Oh I am just so excited! Using a few lines of XAML, on the phone, in Silverlight or in WPF, you can fill a rectangle using text that you type in a textbox! Here…

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Exam Guide: Binding to Hierarchical Data using TreeViews

  Rebecca, your manager, has asked that you create a Windows Presentation Foundation (WPF) application. Your application uses the Team business object. The Team business object is a collection of Team objects. Each Team object has a Contact collection that contains Contact objects. During your discussion, CRO has pointed that it would be most efficient…

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ComboBox: Binding data to the ComboBox using INotifyPropertyChanged

  I am using Visual Studio C# Express for this example, the better debugging tool is Visual Studio Ultimate, if you are a student you should use that instead of Express.  Hopefully if President Obama is looking for hobby to show off to high school students, he will take up programming using Visual Studio Express. …

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