/// <summary>
/// When a different MDI child is activated,
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FormMain_MdiChildActivate(object sender, EventArgs e)
{
if (this.ActiveMdiChild == null)
{
this.tabMain.Visible = false; // If no any child form, hide tabControl
}
else
{
this.ActiveMdiChild.WindowState = FormWindowState.Maximized; // Child form always maximized
// If child form is new and no has tabPage, create new tabPage
if (this.ActiveMdiChild.Tag == null)
{
MyFormPage mfp = this.ActiveMdiChild as MyFormPage;
if (mfp != null)
{
MyTabPage newPage = new MyTabPage(mfp);
this.tabMain.TabPages.Add(newPage);
this.tabMain.SelectedTab = newPage;
this.ActiveMdiChild.Tag = newPage;
this.ActiveMdiChild.FormClosed += new FormClosedEventHandler(ActiveMdiChild_FormClosed);
this.tabMain.Show();
}
}
else
{
MyTabPage mtp = this.ActiveMdiChild.Tag as MyTabPage;
this.tabMain.SelectedTab = mtp;
}
}
this.UpdateMenu();
}
public MyTabPage(MyFormPage subFrm)
{
this.m_frm = subFrm;
this.Controls.Add(subFrm.MainPanel);
this.Text = subFrm.Text;
this.BackColor = System.Drawing.SystemColors.Window;
}