/// <summary>
        /// Move window to new screen and scale it as necisarry
        /// </summary>
        /// <param name="newScreen"></param>
        public static void MoveActiveWindowToScreen(Screen newScreen)
        {
            IntPtr handle = GetForegroundWindow();
            Rect rect = new Rect();
            GetWindowRect(handle, ref rect);
            Rectangle childRect = rect.ToRectangle();

            Screen currentScreen = GetScreenContainingWindow(childRect);
            Rectangle currentWorkingArea = currentScreen.WorkingArea;

            double xPosPercentage = (1.0*childRect.X - currentWorkingArea.X) / currentWorkingArea.Width;
            double yPosPercentage = (1.0 * childRect.Y - currentWorkingArea.Y) / currentWorkingArea.Height;
            int newX = (int)(newScreen.WorkingArea.X + newScreen.WorkingArea.Width * xPosPercentage);
            int newY = (int)(newScreen.WorkingArea.Y + newScreen.WorkingArea.Height * yPosPercentage);

            if (newScreen.WorkingArea.Width != currentScreen.WorkingArea.Width || newScreen.WorkingArea.Height != currentScreen.WorkingArea.Height)
            {
                //different size working area/resolution
                //scale window to new resolution
                double widthPercentage = 1.0 * (rect.Width - resizeOffset.X) / currentWorkingArea.Width;
                double heightPercentage = 1.0 * (rect.Height - resizeOffset.Y) / currentWorkingArea.Height;
                int newWidth = (int)(newScreen.WorkingArea.Width * widthPercentage);
                int newHeight = (int)(newScreen.WorkingArea.Height * heightPercentage);
                newWidth += resizeOffset.X;
                newHeight += resizeOffset.Y;
                MoveActiveWindowTo(newX, newY, newWidth, newHeight, false);
            }
            else
                MoveActiveWindowTo(newX, newY, false);
        }
        /// <summary>
        /// Returns the screen containing the currently active window
        /// </summary>
        /// <returns></returns>
        public static Screen GetScreenActiveWindowIsOn()
        {
            IntPtr handle = GetForegroundWindow();
            Rect rect = new Rect();
            GetWindowRect(handle, ref rect);
            Rectangle childRect = rect.ToRectangle();

            return GetScreenContainingWindow(childRect);
        }
        /// <summary>
        /// Move this window off this screen in the given direction eg (1,0) for right.
        /// </summary>
        /// <param name="dir">Direction to move window in units of the active screens' resolution.</param>
        public static void MoveActiveWindowOffScreenInDirection(Point dir)
        {
            if(Screen.AllScreens.Length==1)return;
            IntPtr handle = GetForegroundWindow();
            Rect rect = new Rect();
            GetWindowRect(handle, ref rect);
            Rectangle childRect = rect.ToRectangle();

            Screen currentScreen = GetScreenContainingWindow(childRect);
            Rectangle workingArea = currentScreen.WorkingArea;

            childRect.Offset(workingArea.Width * dir.X, workingArea.Height * dir.Y);

            Screen newScreen = GetScreenContainingWindow(childRect);

            if (WrapLeftRightScreens)
            {
                if (newScreen == currentScreen)
                {
                    if (dir.Y == 0)
                    {
                        if (dir.X == 1)//wrap right to left most
                            newScreen = GetLeftMostScreen();
                        else if (dir.X == -1)//wrap Left to right most
                            newScreen = GetRightMostScreen();
                    }
                }
            }

            MoveActiveWindowToScreen(newScreen);
        }
        public static RectangleF GetActiveWindowRelativeRectangleF()
        {
            IntPtr handle = GetForegroundWindow();
            Rect rect = new Rect();
            GetWindowRect(handle, ref rect);
            Rectangle childRect = rect.ToRectangle();

            Rectangle workingSpace = GetScreenContainingWindow(childRect).WorkingArea;

            float relativeX = 1f * (childRect.X - positionOffset.X - workingSpace.X) / workingSpace.Width;
            float relativeY = 1f * (childRect.Y - positionOffset.Y - workingSpace.Y) / workingSpace.Height;
            float relativeW = 1f * (childRect.Width - resizeOffset.X) / workingSpace.Width;
            float relativeH = 1f * (childRect.Height - resizeOffset.Y) / workingSpace.Height;
            return new RectangleF(relativeX, relativeY, relativeW, relativeH);
        }