C# (CSharp) WindowsFormsApplication5 XuanquAnli 예제들

예제 #1

        private void button3_Click(object sender, EventArgs e)
        {
            Form f = Application.OpenForms["XuanquAnli"]; //查找是否打开过Form1窗体

            if (f == null)                                //没打开过
            {
                XuanquAnli xuanquanli = new XuanquAnli();
                xuanquanli.MdiParent = this.MdiParent;
                xuanquanli.Show();
            }
            else
            {
                f.Focus();   //打开过就让其获得焦点
            }
        }

예제 #2

파일: Xinjian.cs 프로젝트: qq54605802/qsgjxt_client

 private void button3_Click(object sender, EventArgs e)
 {
     Form f = Application.OpenForms["XuanquAnli"];  //查找是否打开过Form1窗体
     if (f == null) //没打开过
     {
         XuanquAnli xuanquanli = new XuanquAnli();
         xuanquanli.MdiParent = this.MdiParent;
         xuanquanli.Show();
     }
     else
     {
         f.Focus();   //打开过就让其获得焦点
     }
 }