Revit.Plugln/FWindSoft/FWindSoft.Wpf/Controls/Adorner/MaskAdorner.cs

///////////////////////////////////////////////////////////////////////////////
//Copyright (c) 2016, 北京探索者软件公司
//All rights reserved.       
//文件名称: MaskAdorner.cs
//文件描述: MaskAdorner.cs
//创 建 者: xls
//创建日期: 2018/5/31 9:26:35
//版 本 号：1.0.0.0
////////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;

namespace FWindSoft.Wpf.Controls
{
    public sealed class MaskAdorner:Adorner
    {
        private Control m_Child;
      
        public MaskAdorner(UIElement uiElement,ControlTemplate template) : base(uiElement)
        {
            this.m_Child = new Control
            {
                DataContext = uiElement,
                IsTabStop = false,
                Template = template,
                //IsHitTestVisible = false,
			};
			base.AddVisualChild(this.m_Child);
          
        }
        protected override Visual GetVisualChild(int index)
        {
            return m_Child??null;
        }
        protected override int VisualChildrenCount
        {
            get
            {
                if (m_Child == null)
                    return 0;
                return 1;
            }
        }
     
        protected override Size MeasureOverride(Size availableSize)
        {
           // return AdornedElement.DesiredSize;
            return base.MeasureOverride(availableSize);
        }

        protected override Size ArrangeOverride(Size finalSize)
        {
            this.m_Child.Arrange(new Rect(new Point(0, 0), finalSize));
            return base.ArrangeOverride(finalSize);
        }
        
    }
}