我目前正在开发一个使用WPF和OpenGL的应用程序。由于空域对于我的项目来说不是一个令人满意的选项,我决定使用WPF渲染到位图。现在我坚持执行事件。到目前为止,我已经能够创建一个函数来遍历所需UIElement的VisualTree,但我找不到任何关于如何执行它们的事件的信息。
public static void MouseClickEventHandler(bool isleftbutton,int mouseX,int mouseY)
{
if(self == null)
{
return;
}
PointHitTestParameters p = new PointHitTestParameters(new Point(mouseX, mouseY));
VisualTreeHelper.HitTest(self, new HitTestFilterCallback(delegate(DependencyObject o)
{
return HitTestFilterBehavior.Continue;
}),
new HitTestResultCallback(delegate(HitTestResult r)
{
UIElement el = r.VisualHit as UIElement;
while(true)
{
if(el != null)
{
if(el.Focusable && (el is FrameworkElement))
{
if(isleftbutton)
{
Type t = el.GetType();
MemberInfo[] mem = t.GetMembers(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
Object locker = new Object();
bool clickable = false;
Parallel.ForEach(mem, delegate(MemberInfo member)
{
if(member.Name.ToLower().Contains("click"))
{
lock(locker)
{
clickable = true;
}
}
});
if(clickable)
{
//launch click event
Console.WriteLine("mouseClick:" + (el as FrameworkElement).Name);
return HitTestResultBehavior.Stop;
}
}
else
{
Console.WriteLine("mouseOver:" + (el as FrameworkElement).Name);
//launch mouse over event
return HitTestResultBehavior.Stop;
}
}
el = (UIElement)VisualTreeHelper.GetParent(el);
}
else
{
break;
}
}
return HitTestResultBehavior.Continue;
}), p);
}
RaiseEvent(new MouseButtonEventArgs(Mouse.PrimaryDevice, 0, MouseButton.Left)
{
RoutedEvent = Mouse.MouseDownEvent,
Source = this,
});
在这里和这里回答:
提升WPF鼠标左按钮向下事件
http://alala666888.wordpress.com/2010/07/15/raise-event-manually-in-wpf/