Now lets switch on the previous program (square area). This happens with a double mouse click on the file
Program.cs from the previous project “Square-Area” in the panel [Solution Explorer] of Visual Studio:
We press again [Ctrl+F5]. This time the other project should start:
We switch back on the “Inches-to-Centimeters” project and start it with [Ctrl+F5]:
Switching between projects is very easy, isn't it? Just choose the file with the source code of the program, double click it with the mouse and when it starts, the program from the current file is being executed.