Public Property RenderTransformOrigin As Point

Dim instance As UIElement
Dim value As Point

value = instance.RenderTransformOrigin

instance.RenderTransformOrigin = value

public Point RenderTransformOrigin { get; set; }

public:
property Point RenderTransformOrigin {
    Point get ();
    void set (Point value);
}

/** @property */
public Point get_RenderTransformOrigin ()

/** @property */
public void set_RenderTransformOrigin (Point value)

public function get RenderTransformOrigin () : Point

public function set RenderTransformOrigin (value : Point)

<object>
  <object.RenderTransformOrigin>
    <Point X="xOrigin" Y="yOrigin"/>
  </object.RenderTransformOrigin>
</object>

<object RenderTransformOrigin="xOrigin, yOrigin"/>

 xOrigin 
 
The horizontal origin factor. This is typically given as a value between 0 and 1. See Remarks.
 
 yOrigin 
 
The vertical origin factor. This is typically given as a value between 0 and 1. See Remarks.
 

public RotateAboutCenterExample()
{
    this.WindowTitle = "Rotate About Center Example";
    NameScope.SetNameScope(this, new NameScope());
    StackPanel myStackPanel = new StackPanel();
    myStackPanel.Margin = new Thickness(50);

    Button myButton = new Button();
    myButton.Name = "myRenderTransformButton";
    this.RegisterName(myButton.Name,myButton);
    myButton.RenderTransformOrigin = new Point(0.5,0.5);
    myButton.HorizontalAlignment = HorizontalAlignment.Left;
    myButton.Content = "Hello World";


    RotateTransform myRotateTransform = new RotateTransform(0);
    myButton.RenderTransform = myRotateTransform;
    this.RegisterName("MyAnimatedTransform",myRotateTransform);

    myStackPanel.Children.Add(myButton);

    //
    // Creates an animation that accelerates through 40% of its duration and
    //      decelerates through the 60% of its duration.
    //
    DoubleAnimation myRotateAboutCenterAnimation = new DoubleAnimation();
    Storyboard.SetTargetName(myRotateAboutCenterAnimation,"MyAnimatedTransform");
    Storyboard.SetTargetProperty(myRotateAboutCenterAnimation,new PropertyPath(RotateTransform.AngleProperty));
    myRotateAboutCenterAnimation.From = 0.0;
    myRotateAboutCenterAnimation.To = 360;
    myRotateAboutCenterAnimation.Duration = new Duration(TimeSpan.FromMilliseconds(1000));

    // Create a Storyboard to contain the animations and
    // add the animations to the Storyboard.
    Storyboard myStoryboard = new Storyboard();
    myStoryboard.Children.Add(myRotateAboutCenterAnimation);

    // Create an EventTrigger and a BeginStoryboard action to
    // start the storyboard.
    EventTrigger myEventTrigger = new EventTrigger();
    myEventTrigger.RoutedEvent = Button.ClickEvent;
    myEventTrigger.SourceName = myButton.Name;
    BeginStoryboard myBeginStoryboard = new BeginStoryboard();
    myBeginStoryboard.Storyboard = myStoryboard;
    myEventTrigger.Actions.Add(myBeginStoryboard);
    myStackPanel.Triggers.Add(myEventTrigger);

    this.Content = myStackPanel;
}