This sample application is a simple calculator. It demonstrates layout, controls, and some simple animation.

Building the Sample

• Install the Windows Software Development Kit (SDK) and open its build environment command window. On the Start menu, point to All Programs, Microsoft Windows SDK, and then click CMD Shell.
• Download the sample, usually from the software development kit (SDK) documentation, to your hard disk drive.
• To build the sample from the build environment command window, go to the source directory of the sample. At the command prompt, type MSBUILD.
• To build the sample in Microsoft Visual Studio 2005, load the sample solution or project file and then press CTRL+SHIFT+B.

Running the Sample

• To run the compiled sample from the build environment command window, execute the .exe file in the Bin\Debug or Bin\Release folder contained under the sample source code folder.
• To run the compiled sample with debugging in Visual Studio 2005, press F5.

Remarks

This sample builds a replacement to the calculator that is shipped with every Microsoft Windows machine. It provides the following advantages over the Windows calculator:

• It provides a history trail.
• ToolTips for some operations (such as percent, memory buttons).
• It shows the current value that is stored in memory.
• It allows the user to use keyboard strokes in addition to the onscreen buttons.
• Buttons are drawn using styles and animation and are written in XAML.
• It prevents the user from entering invalid numbers.