private void AddItemButton_Click(object sender, EventArgs e)
{
var contextmenu = presentation.AddSourceContextMenu();
contextmenu.ItemClicked += (o, args) =>
{
var tag = (Tuple <string, string>)args.ClickedItem.Tag;
var source = presentation.CreateSource(tag.Item1, tag.Item2);
var item = presentation.CreateItem(source);
if (new TestProperties(source).ShowDialog() == DialogResult.OK)
{
presentation.AddSource(source);
presentation.AddItem(item);
ItemListBox.SelectedIndex = 0;
SourceListBox.SelectedIndex = 0;
}
else
{
item.Remove();
item.Dispose();
source.Remove();
source.Dispose();
}
};
contextmenu.Show(this, PointToClient(Cursor.Position));
}