public void RemoveToolboxItem(System.Drawing.Design.ToolboxItem item, string category)
{
ToolBoxGroupPanel group = null;
if (category != null && group_panels.TryGetValue(category, out group))
{
int toRemove = -1;
for (int i = 0; i < group.Items.Count; i++)
{
ToolBoxListItem listItem = (ToolBoxListItem)group.Items[i];
if (listItem.ToolBoxItem == item)
{
listItem.Click -= new EventHandler(item_Click);
toRemove = i;
break;
}
}
if (toRemove != -1)
{
group.Items.RemoveAt(toRemove);
}
if (group.Items.Count == 0)
{
Controls.Remove(group);
}
}
}
protected override void OnControlRemoved(ControlEventArgs e)
{
base.OnControlRemoved(e);
if (e.Control is ToolBoxGroupPanel)
{
ToolBoxGroupPanel gp = (ToolBoxGroupPanel)e.Control;
group_panels.Remove(gp.Text);
}
base.PerformLayout();
}
protected override void OnControlAdded(ControlEventArgs e)
{
base.OnControlAdded(e);
if (e.Control is ToolBoxGroupPanel)
{
ToolBoxGroupPanel gp = (ToolBoxGroupPanel)e.Control;
gp.Visible = true;
group_panels.Add(gp.Text, gp);
}
base.PerformLayout();
}
public System.Drawing.Design.ToolboxItemCollection GetToolboxItems(string category)
{
List <ToolboxItem> items = new List <ToolboxItem> ();
ToolBoxGroupPanel p = group_panels[category];
foreach (ToolBoxListItem i in p.Items)
{
items.Add(i.ToolBoxItem);
}
return(new ToolboxItemCollection(items.ToArray()));
}
public void AddToolboxItem(System.Drawing.Design.ToolboxItem toolboxItem, string category)
{
ToolBoxListItem item = new ToolBoxListItem(toolboxItem);
if (!group_panels.ContainsKey(category))
{
ToolBoxGroupPanel gp = new ToolBoxGroupPanel();
gp.Text = category;
Controls.Add(gp);
}
item.Click += new EventHandler(item_Click);
group_panels[category].Items.Add(item);
}