public async Task DescribeAsync()
{
try
{
if (this.ImageUrl != null)
{
this.AnalysisResult = await VisionServiceHelper.DescribeAsync(this.ImageUrl);
}
else if (this.GetImageStreamCallback != null)
{
this.AnalysisResult = await VisionServiceHelper.DescribeAsync(this.GetImageStreamCallback);
}
}
catch (Exception e)
{
this.AnalysisResult = new Microsoft.ProjectOxford.Vision.Contract.AnalysisResult();
if (this.ShowDialogOnFaceApiErrors)
{
await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Vision API failed.");
}
}
}