问完全最大化的C# WinForm

EN

  private void frm_Load(object sender, EventArgs e)
  {
    ControlBox = false;
    FormBorderStyle = FormBorderStyle.None;
    WindowState = FormWindowState.Maximized;
  }



private void frm_KeyDown(object sender, KeyEventArgs e)
  {
    // restore form on Escape key press.
    if (e.KeyCode == Keys.Escape)
    {
      ControlBox = true;
      FormBorderStyle = FormBorderStyle.Sizable;
      WindowState = FormWindowState.Normal;
    }
  }