public override IEnumerable <LocalizedString> Execute(WorkflowContext workflowContext, ActivityContext activityContext)
{
double lat1 = 0, lng1 = 0, distance = 0, distance1 = 0;
bool flag = true;
var part = workflowContext.Content.As <WXMsgPart>();
try
{
lat1 = activityContext.GetState <double>("lat1");
lng1 = activityContext.GetState <double>("lng1");
distance = activityContext.GetState <double>("distance");
distance1 = _winXinService.GetDistance(lat1, lng1, part.Location_X, part.Location_Y);
}
catch { flag = false; }
if (lat1 + lat1 + distance == 0 || !flag)
{
yield return(T("缺省"));
yield break;
}
if (distance1 <= distance)
{
yield return(T("在范围内"));
yield break;
}
else
{
yield return(T("在范围外"));
yield break;
}
}
