public class MouseHook
{
private Point point;
private Point Point
{
get { return point; }
set
{
if (point != value)
{
point = value;
if (MouseMoveEvent != null)
{
var e = new MouseEventArgs(MouseButtons.None, 0, point.X, point.Y, 0);
MouseMoveEvent(this, e);
//MouseClickEvent(this, new MouseEventArgs(MouseButtons.None, 0, point.X, point.Y, 0));
//MouseDownEvent(this, new MouseEventArgs(MouseButtons.None, 0, point.X, point.Y, 0));
//MouseUpEvent(this, new MouseEventArgs(MouseButtons.None, 0, point.X, point.Y, 0));
}
}
}
}
private int hHook;
private const int WM_MOUSEMOVE = 0x200;
private const int WM_LBUTTONDOWN = 0x201;
private const int WM_RBUTTONDOWN = 0x204;
private const int WM_MBUTTONDOWN = 0x207;
private const int WM_LBUTTONUP = 0x202;
private const int WM_RBUTTONUP = 0x205;
private const int WM_MBUTTONUP = 0x208;
private const int WM_LBUTTONDBLCLK = 0x203;
private const int WM_RBUTTONDBLCLK = 0x206;
private const int WM_MBUTTONDBLCLK = 0x209;
private const int WM_MOUSEWHEEL = 0x20A;
public const int WH_MOUSE_LL = 14;
public Win32Api.HookProc hProc;
public MouseHook()
{
this.Point = new Point();
}
public int SetHook()
{
hProc = new Win32Api.HookProc(MouseHookProc);
hHook = Win32Api.SetWindowsHookEx(WH_MOUSE_LL, hProc, IntPtr.Zero, 0);
return hHook;
}
public void UnHook()
{
Win32Api.UnhookWindowsHookEx(hHook);
}
private int MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam)//, LPARAM Addtl_Info_L
{
Win32Api.MouseHookStruct MyMouseHookStruct = (Win32Api.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(Win32Api.MouseHookStruct));
if (nCode < 0)
{
return Win32Api.CallNextHookEx(hHook, nCode, wParam, lParam);
}
else
{
//Console.WriteLine("mouse" + MouseClickEvent.ToString());
if (MouseClickEvent != null)
{
MouseButtons button = MouseButtons.None;
int clickCount = 0;
switch ((Int32)wParam)
{
case WM_LBUTTONDOWN:
button = MouseButtons.Left;
clickCount = 1;
if (MouseDownEvent != null) MouseDownEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_RBUTTONDOWN:
button = MouseButtons.Right;
clickCount = 1;
if (MouseDownEvent != null) MouseDownEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_MBUTTONDOWN:
button = MouseButtons.Middle;
clickCount = 1;
if (MouseDownEvent != null) MouseDownEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_LBUTTONUP:
button = MouseButtons.Left;
clickCount = 1;
if (MouseUpEvent != null) MouseUpEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_RBUTTONUP:
button = MouseButtons.Right;
clickCount = 1;
if (MouseUpEvent != null) MouseUpEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_MBUTTONUP:
button = MouseButtons.Middle;
clickCount = 1;
if (MouseUpEvent != null) MouseUpEvent(this, new MouseEventArgs(button, clickCount, point.X, point.Y, 0));
break;
case WM_MOUSEWHEEL:
int data = GET_WHEEL_DELTA_WPARAM(lParam.ToInt32());
MSLLHOOKSTRUCT mouseData = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
int wheelMovement = GET_WHEEL_DELTA_WPARAM(mouseData.mouseData);
Console.WriteLine("out" + wheelMovement.ToString());
// int zDelta = GET_WHEEL_DELTA_WPARAM(wParam);
if (MousescrollEvent != null) MousescrollEvent(this, new ScrollEventArgs(ScrollEventType.SmallDecrement, wheelMovement));
break;
default:
Console.WriteLine(((Int32)lParam).ToString());
break;
}
var e = new MouseEventArgs(button, clickCount, point.X, point.Y, 0);
MouseClickEvent(this, e);
}
this.Point = new Point(MyMouseHookStruct.pt.x, MyMouseHookStruct.pt.y);
return Win32Api.CallNextHookEx(hHook, nCode, wParam, lParam);
}
}
[StructLayout(LayoutKind.Sequential)]
private struct MSLLHOOKSTRUCT
{
public Point pt;
public int mouseData;
public int flags;
public int time;
public long dwExtraInfo;
}
private static int GET_WHEEL_DELTA_WPARAM(int wparam)
{
return (int)(wparam >> 16);
}
public delegate void MouseMoveHandler(object sender, MouseEventArgs e);
public event MouseMoveHandler MouseMoveEvent;
public delegate void MouseClickHandler(object sender, MouseEventArgs e);
public event MouseClickHandler MouseClickEvent;
public delegate void MouseDownHandler(object sender, MouseEventArgs e);
public event MouseDownHandler MouseDownEvent;
public delegate void MouseUpHandler(object sender, MouseEventArgs e);
public event MouseUpHandler MouseUpEvent;
public delegate void MousescrollHandler(object sender, ScrollEventArgs e);
public event MousescrollHandler MousescrollEvent;
// public delegate void MouseUpHandler(object sender, MouseEventArgs e);
//public event MouseUpHandler Mow;
}