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using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace Program
{
public class Win32Input
{
[DllImport("user32.dll", EntryPoint = "SendInput", SetLastError = true)]
static extern uint SendInput(uint nInputs, INPUT[] pInputs, int cbSize);
[DllImport("user32.dll", EntryPoint = "GetMessageExtraInfo", SetLastError = true)]
static extern IntPtr GetMessageExtraInfo();
private enum InputType
{
INPUT_MOUSE = 0,
INPUT_KEYBOARD = 1,
INPUT_HARDWARE = 2,
}
[Flags()]
private enum MOUSEEVENTF
{
MOVE = 0x0001, // mouse move
LEFTDOWN = 0x0002, // left button down
LEFTUP = 0x0004, // left button up
RIGHTDOWN = 0x0008, // right button down
RIGHTUP = 0x0010, // right button up
MIDDLEDOWN = 0x0020, // middle button down
MIDDLEUP = 0x0040, // middle button up
XDOWN = 0x0080, // x button down
XUP = 0x0100, // x button down
WHEEL = 0x0800, // wheel button rolled
VIRTUALDESK = 0x4000, // map to entire virtual desktop
ABSOLUTE = 0x8000, // absolute move
}
[StructLayout(LayoutKind.Sequential)]
private struct MOUSEINPUT
{
public int dx;
public int dy;
public int mouseData;
public MOUSEEVENTF dwFlags;
public int time;
public IntPtr dwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
private struct INPUT
{
public InputType type;
public MOUSEINPUT mi;
}
/// <summary>
/// Diese Funktion bewegt den Mauscursor an einen bestimmten Punkt.
/// </summary>
/// <param name="x">X Koordinate der Position als absoluter Pixelwert</param>
/// <param name="y">Y Koordinate der Position als absoluter Pixelwert</param>
/// <returns>Liefert 1 bei Erfolg und 0, wenn der Eingabestream schon blockiert war zurück.</returns>
public static uint Move(int x, int y)
{
// Bildschirm Auflösung
float ScreenWidth = Screen.PrimaryScreen.Bounds.Width;
float ScreenHeight = Screen.PrimaryScreen.Bounds.Height;
INPUT input_move = new INPUT();
input_move.type = InputType.INPUT_MOUSE;
input_move.mi.dx = (int)Math.Round(x * (65535 / ScreenWidth), 0);
input_move.mi.dy = (int)Math.Round(y * (65535 / ScreenHeight), 0);
input_move.mi.mouseData = 0;
input_move.mi.dwFlags = (MOUSEEVENTF.MOVE | MOUSEEVENTF.ABSOLUTE);
input_move.mi.time = 0;
input_move.mi.dwExtraInfo = GetMessageExtraInfo();
INPUT[] input = { input_move };
return SendInput(1, input, Marshal.SizeOf(input_move));
}
/// <summary>
/// Diese Funktion simuliert einen einfach Mausklick mit der linken Maustaste an der aktuellen Cursurposition.
/// </summary>
/// <returns>Liefert 2 zurück, wenn beide Aktionen (Maus down und Maus up) erfolgreich waren. Andernfalls 1 oder 0.</returns>
public static uint Click()
{
INPUT input_down = new INPUT();
input_down.type = InputType.INPUT_MOUSE;
input_down.mi.dx = 0;
input_down.mi.dy = 0;
input_down.mi.mouseData = 0;
input_down.mi.dwFlags = MOUSEEVENTF.LEFTDOWN;
input_down.mi.time = 0;
input_down.mi.dwExtraInfo = GetMessageExtraInfo();
INPUT input_up = input_down;
input_up.mi.dwFlags = MOUSEEVENTF.LEFTUP;
INPUT[] input = { input_down, input_up };
return SendInput(2, input, Marshal.SizeOf(input_down));
}
}
}
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