async static public Task <bool> Init()
{
if (isExist)
{
return(true);
}
for (int i = 0; i < 5; i++)
{
try
{
CamVideo = await AudioVideoCaptureDevice.OpenForVideoOnlyAsync(CameraSensorLocation.Back, new Windows.Foundation.Size(640, 480));
CamVideo.GetProperty(KnownCameraAudioVideoProperties.VideoTorchMode);
break;
}
catch
{
}
}
if (CamVideo == null)
{
MessageBox.Show(AppResources.Text_Error_Light, AppResources.Text_Error_Title, MessageBoxButton.OK);
}
return(isExist);
}