/// <summary>
/// 重新分配图元的ID
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">事件参数</param>
protected virtual void ResetGraphElementID(object sender, EventArgs e)
{
if (MessageBox.Show("确定重新分配图元ID吗？", "重新分配图元ID",
MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
DocumentManager documentManager = DocumentManager.GetDocumentManager();
FlowChartManager flowChartManager = documentManager.CurrentFlowChartManager;
GraphManager graphManager = flowChartManager.CurrentGraphManager;
DataManager dataManager = flowChartManager.CurrentDataManager;
graphManager.ResetGraphElementID();
dataManager.ResetDataElementID();
graphManager.RefreshCanvas();
}
}