Calculator Demo

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

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

For comprehensive coverage of Windows Presentation Foundation (WPF) and Microsoft .NET Framework application development best practices, refer to the following as appropriate:

Accessibility - Accessibility Best Practices

Security - Windows Presentation Foundation Security

Localization - WPF Globalization and Localization Overview

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, 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, press F5.

Remarks

This sample builds a simple calculator tool that includes these features:

  • 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.