private void OnMouseChange(MouseEventArgs e)
{
MouseChange?.Invoke(this, e);
}
private void HookEx_Events(object sender, WindowsHookExEventArgs e)
{
if (MouseChange == null)
{
return;
}
MouseLLHookStruct @struct = (MouseLLHookStruct)Marshal.PtrToStructure((IntPtr)e.lParam, typeof(MouseLLHookStruct));
PressType pressType = PressType.None;
VirtualKeys vk = VirtualKeys.None;
int click = 0;
switch (e.wParam.ToInt64())
{
// left
case WM.LBUTTONDOWN:
pressType = PressType.KeyDown;
vk = VirtualKeys.LeftButton;
click = 1;
break;
case WM.LBUTTONUP:
pressType = PressType.KeyUp;
vk = VirtualKeys.LeftButton;
click = 1;
break;
case WM.LBUTTONDBLCLK:
pressType = PressType.LeftButtonDoubleClick;
break;
// right
case WM.RBUTTONDOWN:
pressType = PressType.KeyDown;
vk = VirtualKeys.RightButton;
click = 1;
break;
case WM.RBUTTONUP:
pressType = PressType.KeyUp;
vk = VirtualKeys.RightButton;
click = 1;
break;
case WM.RBUTTONDBLCLK:
pressType = PressType.RightButtonDoubleClick;
break;
// middle
case WM.MBUTTONDOWN:
pressType = PressType.KeyDown;
vk = VirtualKeys.MiddleButton;
click = 1;
break;
case WM.MBUTTONUP:
pressType = PressType.KeyUp;
vk = VirtualKeys.MiddleButton;
click = 1;
break;
case WM.MBUTTONDBLCLK:
pressType = PressType.MiddleButtonDoubleClick;
break;
// wheel
case WM.MOUSEWHEEL:
//If the message is WM_MOUSEWHEEL, the high-order word of MouseData member is the wheel delta.
//One wheel click is defined as WHEEL_DELTA, which is 120.
//(value >> 16) & 0xffff; retrieves the high-order word from the given 32-bit value
var mouseDelta = (short)((@struct.MouseData >> 16) & 0xffff);
if (mouseDelta > 0)
{
pressType = PressType.WheelUp;
}
else
{
pressType = PressType.WheelDown;
}
break;
//TODO: X BUTTONS (I havent them so was unable to test)
//If the message is WM_XBUTTONDOWN, WM_XBUTTONUP, WM_XBUTTONDBLCLK, WM_NCXBUTTONDOWN, WM_NCXBUTTONUP,
//or WM_NCXBUTTONDBLCLK, the high-order word specifies which X button was pressed or released,
//and the low-order word is reserved. This value can be one or more of the following values.
//Otherwise, MouseData is not used.
}
var arg = new MouseChangeEventArgs()
{
Handled = false,
PressType = pressType,
Key = vk,
MouseClick = click,
MousePosition = @struct.Point,
};
if (LastMousePosX != @struct.Point.X || LastMousePosY != @struct.Point.Y)
{
LastMousePosX = @struct.Point.X;
LastMousePosY = @struct.Point.Y;
arg.MouseMoved = true;
}
foreach (var dele in MouseChange.GetInvocationList().Reverse())
{
dele.DynamicInvoke(this, arg);
if (arg.Handled)
{
e.Handled = true;
return;
}
}
}