Windows API « Windows « C# / C Sharp

1.DLL: GetVersionEx
2.Keyboard timer: GetTickCountKeyboard timer: GetTickCount
4.Get the Total Free Space on a Drive by using kernel32.dll
5.imports three functions to display the vertical and horizontal size of the screen.
6.MessageBox from user32.dll
7.Get OS Version from kernel32.dll
8.imports the printf function
9.import CreateDirectory and FormatMessage

10.marshals string for unmanaged memory as ANSI.
11.imports the GetModuleHandleW function specifically
12.Set mouse and keyboard hooks.
13.Sound Utils
14.Returns the HRESULT associated with the given error code.