combobox.cs

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using System;
using System.Windows.Forms;
using System.Collections;
using System.Drawing;
namespace WindowsApplication.MouseStyle
{
	/// <summary>
	/// ComboBox 的摘要说明。
	/// </summary>
	public class ComboBox:System.Windows.Forms.ComboBox
	{
		public ComboBox()
		{
			
		}
		public static void MouseEntered(object sender ,System.EventArgs e)
		{
			ComboBox text=(ComboBox)sender;
			text.DropDownStyle=System.Windows.Forms.ComboBoxStyle.DropDown;
		}
		public static void MouseLeaved(object sender,System.EventArgs e)
		{
			ComboBox text=(ComboBox)sender;
			text.DropDownStyle=System.Windows.Forms.ComboBoxStyle.Simple;
		}
	}
}