Show MyComputer, ControlPanel, RecycleBin, NetworkPlaces on Button Click

In the button click event, type the following code. The My Computer or Windows Explorer window will pop up.

Process MyComp = new Process();
MyComp.StartInfo = new ProcessStartInfo("Explorer.exe", "::{20d04fe0-3aea-1069-a2d8-08002b30309d}");
MyComp.Start();

For showing ControlPanel, just change the arguments with this one:

MyComp.StartInfo = new ProcessStartInfo("Explorer.exe", "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}");

For showing RecycleBin:

MyComp.StartInfo = new ProcessStartInfo("Explorer.exe", "::{645FF040-5081-101B-9F08-00AA002F954E}");

For showing NetworkPlaces:

MyComp.StartInfo = new ProcessStartInfo("Explorer.exe", "::{208D2C60-3AEA-1069-A2D7-08002B30309D}");