void OnInsertPage(Object sender, EventArgs e)
{
EbTabControl ParentControl = (EbTabControl)Control;
Control.ControlCollection oldTabs = ParentControl.Controls;
int Index = ParentControl.SelectedIndex;
RaiseComponentChanging(TypeDescriptor.GetProperties(ParentControl)["TabPages"]);
EbTabPage P = (EbTabPage)(DesignerHost.CreateComponent(typeof(EbTabPage)));
P.Text = P.Name;
EbTabPage[] tpc = new EbTabPage[ParentControl.TabCount];
//Starting at our Insert Position, store and remove all the tabpages.
for (int i = Index; i <= tpc.Length - 1; i++)
{
tpc[i] = (EbTabPage)ParentControl.TabPages[Index];
ParentControl.TabPages.Remove(ParentControl.TabPages[Index]);
}
//add the tabpage to be inserted.
ParentControl.TabPages.Add(P);
//then re-add the original tabpages.
for (int i = Index; i <= tpc.Length - 1; i++)
{
ParentControl.TabPages.Add(tpc[i]);
}
RaiseComponentChanged(TypeDescriptor.GetProperties(ParentControl)["TabPages"], oldTabs, ParentControl.TabPages);
ParentControl.SelectedTab = P;
SetVerbs();
}
void OnAddPage(Object sender, EventArgs e)
{
EbTabControl ParentControl = (EbTabControl)Control;
Control.ControlCollection oldTabs = ParentControl.Controls;
RaiseComponentChanging(TypeDescriptor.GetProperties(ParentControl)["TabPages"]);
EbTabPage P = (EbTabPage)(DesignerHost.CreateComponent(typeof(EbTabPage)));
P.Text = P.Name;
ParentControl.TabPages.Add(P);
RaiseComponentChanged(TypeDescriptor.GetProperties(ParentControl)["TabPages"], oldTabs, ParentControl.TabPages);
ParentControl.SelectedTab = P;
SetVerbs();
}
void OnRemovePage(Object sender, EventArgs e)
{
EbTabControl ParentControl = (EbTabControl)Control;
Control.ControlCollection oldTabs = ParentControl.Controls;
if (ParentControl.SelectedIndex < 0)
{
return;
}
RaiseComponentChanging(TypeDescriptor.GetProperties(ParentControl)["TabPages"]);
DesignerHost.DestroyComponent(ParentControl.TabPages[ParentControl.SelectedIndex]);
RaiseComponentChanged(TypeDescriptor.GetProperties(ParentControl)["TabPages"], oldTabs, ParentControl.TabPages);
SelectionService.SetSelectedComponents(new IComponent[] { ParentControl }, SelectionTypes.Auto);
SetVerbs();
}
private void SetVerbs()
{
EbTabControl ParentControl = (EbTabControl)Control;
switch (ParentControl.TabPages.Count)
{
case 0:
Verbs[1].Enabled = false;
Verbs[2].Enabled = false;
break;
case 1:
Verbs[1].Enabled = false;
Verbs[2].Enabled = true;
break;
default:
Verbs[1].Enabled = true;
Verbs[2].Enabled = true;
break;
}
}
