public void RemoveTabHandler(object sender, EventArgs e)
{
ThemeTabControl tabcontrol = (ThemeTabControl)base.Component;
if (tabcontrol == null || tabcontrol.TabPages.Count == 0)
{
return;
}
MemberDescriptor controlsdescriptor = TypeDescriptor.GetProperties(base.Component)["Controls"];
ThemeTab tab = tabcontrol.SelectedTab;
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host == null)
{
return;
}
DesignerTransaction transaction = null;
try
{
try
{
transaction = host.CreateTransaction("Remove Tab");
base.RaiseComponentChanging(controlsdescriptor);
}
catch (CheckoutException ex)
{
if (ex != CheckoutException.Canceled)
{
throw ex;
}
return;
}
host.DestroyComponent(tab);
base.RaiseComponentChanged(controlsdescriptor, null, null);
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
public void AddTabHandler(object sender, EventArgs e)
{
ThemeTabControl tabcontrol = (ThemeTabControl)this.Control;
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host == null)
{
return;
}
DesignerTransaction transaction = null;
try
{
try
{
transaction = host.CreateTransaction("Add Tab");
}
catch (CheckoutException ex)
{
if (ex != CheckoutException.Canceled)
{
throw ex;
}
return;
}
MemberDescriptor controlsdescriptor = TypeDescriptor.GetProperties(tabcontrol)["Controls"];
ThemeTab tab = (ThemeTab)host.CreateComponent(typeof(ThemeTab));
base.RaiseComponentChanging(controlsdescriptor);
string tabtext = null;
PropertyDescriptor namedescriptor = TypeDescriptor.GetProperties(tab)["Name"];
if ((namedescriptor != null) && (namedescriptor.PropertyType == typeof(string)))
{
tabtext = (string)namedescriptor.GetValue(tab);
}
if (tabtext != null)
{
PropertyDescriptor textdescriptor = TypeDescriptor.GetProperties(tab)["Text"];
if (textdescriptor != null)
{
textdescriptor.SetValue(tab, tabtext);
}
}
tabcontrol.Controls.Add(tab);
tabcontrol.SelectedIndex = tabcontrol.TabPages.Count - 1;
base.RaiseComponentChanged(controlsdescriptor, null, null);
tabcontrol.tabbar.Invalidate();
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}