36 lines
964 B
C#
36 lines
964 B
C#
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Windows;
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using System.Windows.Ink;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Animation;
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using Pen = System.Windows.Media.Pen;
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namespace Ink_Canvas.Helpers
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{
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public class DrawingVisualCanvas : FrameworkElement
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{
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private VisualCollection _children;
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public DrawingVisual DrawingVisual = new DrawingVisual();
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public DrawingVisualCanvas()
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{
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_children = new VisualCollection(this) {
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DrawingVisual // 初始化DrawingVisual
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};
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}
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protected override int VisualChildrenCount => _children.Count;
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protected override Visual GetVisualChild(int index)
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{
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if (index < 0 || index >= _children.Count) throw new ArgumentOutOfRangeException();
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return _children[index];
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}
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}
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}
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