public void UpdateEnable()
{
var s = _Handler.SelectedAvailable;
var c = _Handler.NewItemAvailabel &&
Clipboard.ContainsData(_Handler.DataID) &&
_Handler.ClipboardDataAvailable(Clipboard.GetData(_Handler.DataID));
if (New != null)
{
New.Enabled = _Handler.NewItemAvailabel;
}
if (Cut != null)
{
Cut.Enabled = s;
}
if (Copy != null)
{
Copy.Enabled = s;
}
if (Paste != null)
{
Paste.Enabled = c;
}
if (Delete != null)
{
Delete.Enabled = s;
}
}
