public class frmMAin : Form
{
	private const string _myApp = "c:\\FC.2010\\FC.FeedBack\\FC.FeedBack.Test\\bin\\Debug\\";
	public frmMAin()
	{
		InitializeComponent();
		PluginManager.SetPluginPath(_myApp, cn);
		List<BarItem> buttons = PluginManager.AddItems(this, "АРМ");
		if (buttons != null)
		{
			foreach (DevExpress.XtraBars.BarButtonItem Button in buttons)
			{
				Button.ItemClick += new System.EventHandler(Button_ItemClick);
			}
		}
	}
	private void Button_ItemClick(object sender, ItemClickEventArgs e)
	{
		if (e.Item.Tag as Form != null)
		{
			Form frm = (Form) e.Item.Tag;
			frm.MdiParent = this;
			frm.Tag = Guid.NewGuid.ToString();
			frm.Show();
		}
		else
		{
			System.Guid _guid = new Guid(e.Item.Tag.ToString());
			foreach (Plugin pl in PluginManager.GetList.Items)
			{
				if (pl.GUID == _guid)
				{
					if (pl.Type != PluginType.From)
					{
						pl.MainForm.MdiParent = this;
						pl.MainForm.Tag = Guid.NewGuid.ToString();
						pl.MainForm.Show(this);
					}
					else if (pl.Type == PluginType.From)
					{
						pl.MainForm.Tag = Guid.NewGuid.ToString();
						DialogResult dr = pl.MainForm.ShowDialog(this);
					}
				}
			}
		}
		
	}
}

public partial class mainForm : Form {}

public struct PluginActionItem
    {
        public Locations Location;
        public LocationDescriptions LocationDescription;
        public Items Item;
        public sMainForm Form;
    }

public class sMainForm
    {
        public Form form;
        public PluginType pluginType;
    }

BarButtonItem barButtonItem = new BarButtonItem()
            {
                Caption = @"Обратная связь",
                Glyph = (Image)Properties.Resources.Icon32x32,
                LargeGlyph = (Image)Properties.Resources.Icon32x32,
                Name = "BarButtonItem_" + number,
                Tag = new sMainForm()
                {
                    [color=red]Form = mainForm,[/color]
                    pluginType = pluginType
                }
            };

[color=orange]Dim form As Form = mf.Form[/color]

            If mf.pluginType <> PluginType.From Then
                Form.MdiParent = Me
                Form.Tag = Guid.NewGuid.ToString
                Try
                    Form.Show()
Catch ex As Exception
                    XtraMessageBox.Show(ex.Message)
                End Try
End if

Dim form As Form = mf.Form

            If mf.pluginType <> PluginType.From Then
                Form.MdiParent = Me
                Form.Tag = Guid.NewGuid.ToString
                Try
                    Form.Show()
Catch ex As Exception
                    XtraMessageBox.Show(ex.Message)
                End Try
End if