private void importFromClipboardToolStripMenuItem_Click(object sender, EventArgs e)
 {
     workflowitems = new VROWorkFlow();
     ReInit();
     if (workflowitems.ParseWorkFlow(Clipboard.GetText()))
     {
         DisplayWorkFlowItems();
         rootToolStripMenuItem.Enabled = true;
         buttonROOT.Enabled            = true;
     }
     else
     {
         MessageBox.Show("Error : " + workflowitems.errorMessage, "VRO Workflow Viewer");
         rootToolStripMenuItem.Enabled = false;
         buttonROOT.Enabled            = false;
     }
 }