/// <summary>
/// 获取对象信息
/// </summary>
/// <param name="element">对象类型</param>
/// <param name="selectedID">选中对象ID</param>
/// <returns>对象信息（对象序列化的字符串信息）</returns>
private string GetExtraInfo(SrcElement element, string selectedID)
{
string extraInfo = string.Empty;
if (!string.IsNullOrEmpty(selectedID))
{
TabItem selectedItem = this.tabControl.SelectedItem as TabItem;
if (selectedItem != null)
{
WorkflowInfo selectedInfo = (selectedItem.DataContext as DiagramPageViewModel).WfInfo;
if (element == SrcElement.Point)
{
foreach (var activity in selectedInfo.Activities)
{
if (activity.ID == selectedID)
{
extraInfo = JsonConvert.SerializeObject(activity);
break;
}
}
}
else if (element == SrcElement.Line)
{
foreach (var transction in selectedInfo.Transitions)
{
if (transction.Key == selectedID)
{
extraInfo = JsonConvert.SerializeObject(transction);
break;
}
}
}
}
}
return extraInfo;
}