void txtValue2_TextChanged(object sender, EventArgs e) { if (Working) { return; } FileChanged = true; Working = true; CurrentReq.UI_TextValue2_Set(txtValue2.Text); lstRequirements.Items[CurrentReqNum] = CurrentReq.DisplayString(); lstRules.Invalidate(); lstRequirements.Invalidate(); RefreshColorSample(); Working = false; }