Exemplo n.º 1
0
 private void tsbtnUser_Click(object sender, EventArgs e)
 {
     if (this.MdiChildren.Length == 0)
     {
         DataBackup back = new DataBackup();
         back.MdiParent = this;
         back.Show();
     }
 }
Exemplo n.º 2
0
 private void 数据备份ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (this.MdiChildren.Length == 0)
     {
         DataBackup backup = new DataBackup();
         backup.MdiParent = this;
         backup.Show();
     }
 }