47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Aga.Controls.Tree
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{
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public abstract class TreeModelBase: ITreeModel
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{
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public abstract System.Collections.IEnumerable GetChildren(TreePath treePath);
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public abstract bool IsLeaf(TreePath treePath);
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public event EventHandler<TreeModelEventArgs> NodesChanged;
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protected void OnNodesChanged(TreeModelEventArgs args)
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{
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if (NodesChanged != null)
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NodesChanged(this, args);
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}
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public event EventHandler<TreePathEventArgs> StructureChanged;
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protected void OnStructureChanged(TreePathEventArgs args)
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{
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if (StructureChanged != null)
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StructureChanged(this, args);
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}
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public event EventHandler<TreeModelEventArgs> NodesInserted;
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protected void OnNodesInserted(TreeModelEventArgs args)
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{
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if (NodesInserted != null)
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NodesInserted(this, args);
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}
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public event EventHandler<TreeModelEventArgs> NodesRemoved;
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protected void OnNodesRemoved(TreeModelEventArgs args)
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{
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if (NodesRemoved != null)
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NodesRemoved(this, args);
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}
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public virtual void Refresh()
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{
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OnStructureChanged(new TreePathEventArgs(TreePath.Empty));
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}
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}
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}
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