private async void EditAGist()
{
await TryAsyncApi("Edit " + UploadFileName,
async() => await _gistClient.EditAGist(SelectedItem.ID, UploadFileDescription, UploadFileName, Text));
await ListMyGists();
}
public async Task Update(GistObject obj, string filename, string content)
{
await client.EditAGist(obj.id, obj.description, filename, content);
}