private void checkEdit3_CheckedChanged(object sender, EventArgs e) { if (this.Text == "新建图形") { //判断是否选择了图形类型 if (comboBoxType.SelectedItem == null) { DevExpress.XtraEditors.XtraMessageBox.Show("请选择对应的图形类型", "提示"); return; } var graphicsInfo = GraphOpt.GetEmergencyLinkageGraphics(); if (graphicsInfo != null && !string.IsNullOrWhiteSpace(graphicsInfo.GraphId)) { if (this.checkEdit4.Checked == true) { return; } if (DevExpress.XtraEditors.XtraMessageBox.Show("已存在应急联动图形,确定要把当前图形设置应急联动图形吗?", "提示", MessageBoxButtons.YesNo) == DialogResult.Yes) { this.EmergencyLinkageGraphicsId = graphicsInfo.GraphId; this.checkEdit3.Checked = true; } else { this.checkEdit4.Checked = true; } } } }