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窗体单例

时间:2016-02-02 20:36:40      阅读:251      评论:0      收藏:0      [点我收藏+]
using System.Windows.Forms;

namespace Keleyi.Com
{
public partial class AboutForm : Form
{
private static AboutForm _instance;

private AboutForm()
{
InitializeComponent();
}

private void AboutForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (e.CloseReason== CloseReason.UserClosing)
{
this.Hide();
e.Cancel = true;
}
}

public static AboutForm GetInstance()
{
if (_instance == null)
_instance = new AboutForm();

return _instance;
}
}
}
构造函数私有化,声明静态窗体变量

 

窗体单例

原文:http://www.cnblogs.com/wxlyq/p/5178435.html

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