protected override int HookCallbackProcedure(int nCode, int wParam, IntPtr lParam)
{
if (nCode > -1 && (MouseDown != null || MouseUp != null || MouseMove != null))
{
MouseLlHookStruct mouseHookStruct = (MouseLlHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseLlHookStruct));
MouseButtons button = GetButton(wParam);
MouseEventType eventType = GetEventType(wParam);
MouseEventArgs e = new MouseEventArgs(button, (eventType == MouseEventType.DoubleClick ? 2 : 1), mouseHookStruct.pt.x, mouseHookStruct.pt.y, (eventType == MouseEventType.MouseWheel ? (short)((mouseHookStruct.mouseData >> 16) & 0xffff) : 0));
// Prevent multiple Right Click events (this probably happens for popup menus)
if (button == MouseButtons.Right && mouseHookStruct.flags != 0)
{
eventType = MouseEventType.None;
}
switch (eventType)
{
case MouseEventType.MouseDown:
if (MouseDown != null)
{
MouseDown(this, e);
}
break;
case MouseEventType.MouseUp:
if (Click != null)
{
Click(this, new EventArgs());
}
if (MouseUp != null)
{
MouseUp(this, e);
}
break;
case MouseEventType.DoubleClick:
if (DoubleClick != null)
{
DoubleClick(this, new EventArgs());
}
break;
case MouseEventType.MouseWheel:
if (MouseWheel != null)
{
MouseWheel(this, e);
}
break;
case MouseEventType.MouseMove:
if (MouseMove != null)
{
MouseMove(this, e);
}
break;
}
}
//return -1;
//屏蔽
return(CallNextHookEx(HandleToHook, nCode, wParam, lParam));
}
private static int MouseHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
MouseLlHookStruct mouseHookStruct = (MouseLlHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseLlHookStruct));
MouseButtons button = MouseButtons.None;
var mouseDelta = 0;
var clickCount = 0;
var mouseDown = false;
var mouseUp = false;
switch (wParam)
{
case WM_LBUTTONDOWN:
mouseDown = true;
button = MouseButtons.Left;
clickCount = 1;
break;
//case WM_LBUTTONUP:
// mouseUp = true;
// button = MouseButtons.Left;
// clickCount = 1;
// break;
//case WM_LBUTTONDBLCLK:
// button = MouseButtons.XButton1;
// clickCount = 2;
// break;
//case WM_RBUTTONDOWN:
// mouseDown = true;
// button = MouseButtons.Right;
// clickCount = 1;
// break;
//case WM_RBUTTONUP:
// mouseUp = true;
// button = MouseButtons.Right;
// clickCount = 1;
// break;
//case WM_RBUTTONDBLCLK:
// button = MouseButtons.Right;
// clickCount = 2;
// break;
//case WM_MOUSEWHEEL:
// mouseDelta = (short)((mouseHookStruct.MouseData >> 16) & 0xffff);
// break;
}
var e = new MouseEventExtArgs(button, clickCount, mouseHookStruct.Point.X, mouseHookStruct.Point.Y, mouseDelta);
if (e.Button == MouseButtons.Left)
{
var point = new System.Drawing.Point();
point.X = mouseHookStruct.Point.X;
point.Y = mouseHookStruct.Point.Y;
PositionClick.Add(point);
}
if (SMouseUp != null && mouseUp)
{
SMouseUp.Invoke(null, e);
}
if (SMouseDown != null && mouseDown)
{
SMouseDown.Invoke(null, e);
}
if (SMouseClick != null && clickCount > 0)
{
SMouseClick.Invoke(null, e);
}
if (SMouseClickExt != null && clickCount > 0)
{
SMouseClickExt.Invoke(null, e);
}
if (SMouseDoubleClick != null && clickCount == 2)
{
SMouseDoubleClick.Invoke(null, e);
}
if (SMouseWheel != null && mouseDelta != 0)
{
SMouseWheel.Invoke(null, e);
}
if ((SMouseMove != null || SMouseMoveExt != null) && (_mOldX != mouseHookStruct.Point.X || _mOldY != mouseHookStruct.Point.Y))
{
_mOldX = mouseHookStruct.Point.X;
_mOldY = mouseHookStruct.Point.Y;
SMouseMove?.Invoke(null, e);
SMouseMoveExt?.Invoke(null, e);
}
if (e.Handled)
{
return(-1);
}
}
return(CallNextHookEx(_sMouseHookHandle, nCode, wParam, lParam));
}