How to implement an undo/redo system using the Command pattern in the .NET Framework.

If you can cite it when the Command Prompt appears, you must update the most current version of the .Net Framework package. Once done, the flashing Command Prompt will not appear anymore.

The DISM command-line tool will create a modified image on your system to deploy the .NET Framework version. Launch the Command Prompt as an administrator and type the following command and press ...