formcollection.cs

语音视频功能 里面实现了基本的QQ与语音对话

using System;
using System.Windows.Forms;
using System.Collections;
namespace gowk.forms
{
	/// <summary>
	/// FormColleciont 的摘要说明。
	/// </summary>
	public class FormCollection:System.Collections.Hashtable
	{
		public FormCollection()
		{
		}
		public new Form this[object tag]
		{
			get{return (Form)base[tag];}
		}

		public void Add(object key, Form value)
		{
			base.Add (key, value);
	//		value.Closed+=new EventHandler(value_Closed);
			value.Closing+=new System.ComponentModel.CancelEventHandler(value_Closing);
		}

	//	private void value_Closed(object sender, EventArgs e)
	//	{
	//	}

		private void value_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			object key=null;
			foreach(System.Collections.DictionaryEntry et in this)
			{
				if(et.Value==sender)key=et.Key;
			}
			this.Remove(key);
		}
	}
}