public WindowLocationMonitor(Win32Window window, Win32Window relativeTo = null)
{
if (window == null)
{
throw new ArgumentNullException(nameof(window), "Contract assertion not met: window != null");
}
this.Window = window;
this.RelativeToWindow = relativeTo ?? new Win32Window(IntPtr.Zero);
this.Process = Window.GetProcess();
this.WindowDraggingHook = new WinEventHook(this.Process, null,
WinEvent.EVENT_SYSTEM_FOREGROUND, WinEvent.EVENT_SYSTEM_MINIMIZEEND,
syncCtx: SynchronizationContext.Current);
this.WindowDraggingHook
.Where(c => c.WinObject == WinObject.OBJID_WINDOW && (
c.Event == WinEvent.EVENT_SYSTEM_FOREGROUND ||
c.Event == WinEvent.EVENT_SYSTEM_MOVESIZESTART ||
c.Event == WinEvent.EVENT_SYSTEM_MOVESIZEEND ||
c.Event == WinEvent.EVENT_SYSTEM_MINIMIZEEND ||
c.Event == WinEvent.EVENT_SYSTEM_MINIMIZESTART
))
.Subscribe(Hook_EventReceived);
// LocationChange is required to support session connect rearrange, Win+Left, Minimize, Restore
this.WindowMovedHook = new WinEventHook(Window.GetProcess(), null,
WinEvent.EVENT_OBJECT_LOCATIONCHANGE, WinEvent.EVENT_OBJECT_LOCATIONCHANGE,
syncCtx: SynchronizationContext.Current);
this.WindowMovedHook
.Where(c => c.WinObject == WinObject.OBJID_WINDOW && c.Window.Handle == Window.Handle)
.Subscribe(Hook_EventReceived);
}
internal WinEventEventArgs(WinEventHook hook, WinEvent @event, IntPtr hwnd, WinObject @object, WinChild child, int threadId, uint time)
{
this.Hook = hook;
this.Event = @event;
this.Window = new Win32Window(hwnd);
this.WinObject = @object;
this.WinChild = child;
this.ThreadId = threadId;
this.Timestamp = time;
}
