private async void SetSelectedCamera()
{
var capRes = new List <string>();
CaptureCapabilities captureCapabilities = null;
if (SelectedCamera == null)
{
return;
}
try
{
captureCapabilities = await _mediaSettings.GetVideoCaptureCapabilitiesAsync(SelectedCamera);
}
catch (Exception ex)
{
while (ex is AggregateException && ex.InnerException != null)
{
ex = ex.InnerException;
}
string errorMsg = "SetSelectedCamera: Failed to GetVideoCaptureCapabilities (Error: " + ex.Message + ")";
Debug.WriteLine(errorMsg);
var msgDialog = new MessageDialog(errorMsg);
await msgDialog.ShowAsync();
return;
}
if (captureCapabilities == null)
{
string errorMsg = "SetSelectedCamera: Failed to GetVideoCaptureCapabilities (Result is null)";
Debug.WriteLine(errorMsg);
var msgDialog = new MessageDialog(errorMsg);
await msgDialog.ShowAsync();
return;
}
var uniqueRes = captureCapabilities.Capabilities.GroupBy(test => test.ResolutionDescription)
.Select(grp => grp.FirstOrDefault()).ToList();
CaptureCapability defaultResolution = null;
foreach (var resolution in uniqueRes)
{
if (defaultResolution == null)
{
defaultResolution = resolution;
}
capRes.Add(resolution.ResolutionDescription);
if ((resolution.Width == 640) && (resolution.Height == 480))
{
defaultResolution = resolution;
}
}
string selectedCapResItem = string.Empty;
if (_localSettings.Values[nameof(SelectedCapResItem)] != null)
{
selectedCapResItem = (string)_localSettings.Values[nameof(SelectedCapResItem)];
}
AllCapRes = new ObservableCollection <string>(capRes);
if (!string.IsNullOrEmpty(selectedCapResItem) && AllCapRes.Contains(selectedCapResItem))
{
SelectedCapResItem = selectedCapResItem;
}
else
{
SelectedCapResItem = defaultResolution.ResolutionDescription;
}
}
