Calculator Sample: Windows Forms Pocket Calculator
The Calculator sample implements a simple pocket calculator using C++ and the .NET Framework Windows Forms classes. It demonstrates using .NET Framework classes to write a user-interface without the support of the resource editors, and illustrates the following concepts:
Working with forms, menus, edit fields, buttons, and icons for forms
Manipulating managed arrays
Using delegates/event handlers
Exception handling
Using enums
Conversions between the .NET Framework String, Double, and Char classes
Security Note |
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This sample code is intended to illustrate a concept, and it shows only the code that is relevant to that concept. It may not meet the security requirements for a specific environment, and it should not be used exactly as shown. We recommend that you add security and error-handling code to make your projects more secure and robust. Microsoft provides this sample code "AS IS" with no warranties. |
To get samples and instructions for installing them:
To access samples from Visual Studio
On the Help menu, click Samples.
By default, these samples are installed in drive:\Program Files\Microsoft Visual Studio 10.0\Samples\.
- For the most recent version of this sample and a list of other samples, see Visual Studio Samples on the MSDN Web site.
Building and Running the Sample
To build and run Calculator using Visual Studio
In the Visual Studio IDE, load the solution file calc.sln.
In Solution Explorer, right-click the Calc solution.
On the shortcut menu, click Build.
Run the resulting application and try out various operations with the calculator.
Classes and Keywords
This sample demonstrates the following classes:
Form; TextBox; Button; Icon; MainMenu; MenuItem; MessageBox; Exception; FileNotFoundException; Size structure; Font
This sample demonstrates the following keywords:
__gc; __value; enum; add_KeyPress; KeyPressEventHandler; EventHandler; __try_cast; EventArgs; KeyPressEventArgs; FormStartPosition; FormBorderStyle; SizeGripStyle; BorderStyle; SystemColors; HorizontalAlignment; FlatStyle; add_Click