public async Task UploadVideoAsync(StorageFile video)
{
try
{
using (var s = (await video.OpenReadAsync()).AsStreamForRead())
{
var name = await VideoManageUseCase.UploadVideoAsync(video.Name, s);
await DialogService.ShowAsync($"アップロードが完了しました。ビデオ名：{name}");
}
}
catch (Exception ex)
{
await DialogService.ShowAsync(ex.Message);
}
}
