public static void SendMouseInput(int positionX, int positionY, int maxX, int maxY, bool leftDown, bool rightDown) { if (positionX > int.MaxValue) throw new ArgumentOutOfRangeException("positionX"); if (positionY > int.MaxValue) throw new ArgumentOutOfRangeException("positionY"); Input[] i = new Input[2]; // move the mouse to the position specified i[0] = new Input(); i[0].Type = InputMouse; i[0].MouseInput.X = (positionX * 65535) / maxX; i[0].MouseInput.Y = (positionY * 65535) / maxY; i[0].MouseInput.Flags = MouseEventAbsolute | MouseEventMove; // determine if we need to send a mouse down or mouse up event if (leftDown) { i[1] = new Input(); i[1].Type = InputMouse; i[1].MouseInput.Flags = MouseEventLeftDown | MouseEventLeftUp; } else if (rightDown) { i[1] = new Input(); i[1].Type = InputMouse; i[1].MouseInput.Flags = MouseEventRightDown | MouseEventRightUp; } // lastLeftDown = leftDown; // send it off uint result = SendInput(2, i, Marshal.SizeOf(i[0])); if (result == 0) throw new Win32Exception(Marshal.GetLastWin32Error()); }
private static extern uint SendInput(uint numInputs, Input[] inputs, int size);