void m_Children_AfterInsert(object sender, TreeItemCollection <T> .TreeItemCollectionEventArgs e)
{
TreeItem <T> item = e.Value;
item.Parent = this;
item.Level = this.Level + 1;
}
void m_Children_AfterRemove(object sender, TreeItemCollection <T> .TreeItemCollectionEventArgs e)
{
TreeItem <T> item = e.Value;
item.Level = int.MinValue;
item.Parent = null;
}
public TreeItemEnumerator(TreeItemCollection <T> list)
{
list.AfterInsert += new TreeItemCollectionEventHandler(this.AfterInsert);
list.AfterRemove += new TreeItemCollectionEventHandler(this.AfterRemove);
list.AfterSet += new TreeItemCollectionEventHandler2(this.AfterSet);
list.BeforeClear += new EventHandler(this.BeforeClear);
this.m_Changed = false;
this.m_List = list;
this.m_CurrentIndex = -1;
}
void m_Children_AfterSet(object sender, TreeItemCollection <T> .TreeItemCollectionEventArgs2 e)
{
TreeItem <T> oldItem = e.OldValue;
TreeItem <T> newItem = e.NewValue;
oldItem.Level = int.MinValue;
newItem.Level = this.Level + 1;
oldItem.Parent = null;
newItem.Parent = this;
}
/// <summary>
/// TreeItemクラスの新しいインスタンスを初期化します。
/// </summary>
public TreeItem()
{
this.m_Children = new TreeItemCollection <T>();
this.m_Children.AfterInsert += new TreeItemCollection <T> .TreeItemCollectionEventHandler(m_Children_AfterInsert);
this.m_Children.AfterRemove += new TreeItemCollection <T> .TreeItemCollectionEventHandler(m_Children_AfterRemove);
this.m_Children.AfterSet += new TreeItemCollection <T> .TreeItemCollectionEventHandler2(m_Children_AfterSet);
this.m_Children.BeforeClear += new EventHandler(m_Children_BeforeClear);
this.LevelChanged += new EventHandler(TreeItem_LevelChanged);
}
