/// <summary>
/// Override for the generic hook's invoked event to
/// convert to a strongly typed MouseHookEvent:
/// </summary>
/// <param name="e">Generic Hook event argument details</param>
protected override void OnHookInvoked(ref HookEventArgs e)
{
// Convert into mouse details:
MOUSEHOOKSTRUCT mhs = (MOUSEHOOKSTRUCT)Marshal.PtrToStructure(
e.lParam, typeof(MOUSEHOOKSTRUCT));
MouseHookEventArgs mhe = new MouseHookEventArgs(
e.wParam, mhs);
OnMouseHookEvent(ref mhe);
}
/// <summary>
/// Constructs a new MouseHookEvent
/// </summary>
/// <param name="wParam">The <c>wParam</c> (Message code) for the
/// Mouse Hook event</param>
/// <param name="mhs">The <c>MOUSEHOOKEVENT</c> structure
/// for the hook event.</param>
public MouseHookEventArgs(
IntPtr wParam,
MOUSEHOOKSTRUCT mhs
)
{
switch ((int)wParam)
{
case WM_MOUSEMOVE:
eventType = MouseHookEventType.MouseMove;
// we could check if we're over a non-client
// area here etc
button = MouseButtons.None;
break;
case WM_LBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_LBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_LBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_MBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_MBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_MBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_RBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_RBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_RBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.Client;
break;
case WM_NCLBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCLBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCLBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Left;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCMBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCMBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCMBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Middle;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCRBUTTONDOWN:
eventType = MouseHookEventType.MouseDown;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCRBUTTONUP:
eventType = MouseHookEventType.MouseUp;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.NonClient;
break;
case WM_NCRBUTTONDBLCLK:
eventType = MouseHookEventType.DblClick;
button = MouseButtons.Right;
eventLocation = MouseHookEventLocation.NonClient;
break;
}
x = mhs.x;
y = mhs.y;
handle = mhs.handle;
hitTestCode = mhs.wHitTestCode;
extraData = mhs.dwExtraInfo;
}
