public static void Finish()
{
if (TargetContext == null)
{
return; //Already finished.
}
HidePointer();
TargetFrameworkPresenter.MouseMove -= Context_MouseMove;
TargetFrameworkPresenter.MouseLeave -= Context_MouseLeave;
TargetFrameworkPresenter.MouseEnter -= Context_MouseEnter;
TargetFrameworkPresenter.Cursor = PreviousCursor;
VisualPointer = null;
TargetAdornerLayer = null;
PreviousCursor = null;
TargetContext = null;
}
/// <summary>
/// Starts a new pointing operation over the specified context control with the supplied decorator,
/// plus indicating whether the decorator should be put closer of the specified cursor.
/// </summary>
public static void Start(IDocumentView Context, Drawing PointingDecorator, bool DecoratorCloser = false, Cursor PointingCursor = null)
{
if (TargetContext != null)
{
Finish();
}
TargetContext = Context; // This works (but it should be determined the context container Window): Application.Current.MainWindow.Content as FrameworkElement;
// this didn't work: TargetFrameworkPresenter = TargetContext.PresenterControl.GetNearestVisualDominantOfType<Window>();
TargetFrameworkPresenter = TargetContext.PresenterControl;
PreviousCursor = TargetFrameworkPresenter.Cursor;
TargetFrameworkPresenter.Cursor = PointingCursor ?? Cursors.Arrow;
TargetAdornerLayer = TargetContext.PresenterLayer;
VisualPointer = new PointerAdorner(TargetContext, TargetFrameworkPresenter, PointingDecorator, DecoratorCloser);
TargetFrameworkPresenter.MouseEnter += Context_MouseEnter;
TargetFrameworkPresenter.MouseLeave += Context_MouseLeave;
TargetFrameworkPresenter.MouseMove += Context_MouseMove;
ShowPointer();
}
