private void menuContext_Popup(object sender, EventArgs e)
{
bool bEnable = _DrawPanel.SelectedCount <= 0? false: true;
menuCopy.Enabled = bEnable;
menuDelete.Enabled = bEnable;
List<XmlNode> al=new List<XmlNode>();
IDataObject iData = Clipboard.GetDataObject();
if (iData == null)
bEnable = false;
else if (iData.GetDataPresent(al.GetType()))
bEnable = true;
else if (iData.GetDataPresent(DataFormats.Text))
bEnable = true;
else if (iData.GetDataPresent(DataFormats.Bitmap))
bEnable = true;
else
bEnable = false;
menuPaste.Enabled = bEnable;
return;
}
