private void btn_operation_Click(object sender, EventArgs e)
{
try
{
if (Status != 0)
{
MessageBox.Show("作业中不可切换界面");
return;
}
this.panel_mainArea.Controls.Remove(UserControl);
if (OperationForm == null)
{
OperationForm = new OperationForm();
}
if (UserControl != null && UserControl.Name != "OperationForm")
{
UserControl.Dispose();
}
UserControl = OperationForm;
this.panel_mainArea.Controls.Add(UserControl);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public MainForm()
{
InitializeComponent();
//启动自动加载操作界面
OperationForm = new OperationForm();
UserControl = OperationForm;
this.panel_mainArea.Controls.Add(UserControl);
Status = 0;
}
