using System;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace SimplySharp
{
	public class SSInterop
	{
		//

		//Returns an 'IntPtr' window handle, otherwise it returns 'IntPtr.Zero':
		public static IntPtr GetWindowHandleByName(string str)
		{
			try
			{
				return(Process.GetProcessesByName(str)[0].MainWindowHandle);
			}
			catch
			{
				return(IntPtr.Zero);
			}
		}

		//
		public static void KeyboardEvent(ConsoleKey keyCode)
		{
			Keybd_Event((byte)keyCode, 0x45, 0x0001 | 0, 0);
			Keybd_Event((byte)keyCode, 0x45, 0x0001 | 0x0002, 0);
		}
		
		//External functions:
		[DllImport("Psapi")]
		public static extern bool EmptyWorkingSet(IntPtr process);

		[DllImport("user32.dll", EntryPoint = "keybd_event")]
		public static extern int Keybd_Event(byte bVk, byte bScan, ulong dwFlags, ulong dwExtraInfo);

		[DllImport("user32.dll")]
		public static extern IntPtr PostMessage(IntPtr hWnd, uint Msg, IntPtr wParam, long lParam);

		[DllImport("user32.dll")]
		public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
	}
}