C# Winform窗口只打开一次
摘要:
private void OpenForm_Click(object sender, EventArgs e) { Form f = Application.OpenForms["Form1"]; //查找是否打开过Form1窗体 if (f == null) //没打开过 { Form1 fa = new Form1(); ... 阅读全文
posted @ 2014-01-24 10:58 xian.xue 阅读(1769) 评论(0) 推荐(0) 编辑