public void ShareOnFacebook(InkCanvas canvas)
{
Canvas = canvas;
var imageStream = new MemoryStream();
ExportService.ExportWithoutSaving(canvas, ImageFormat.Jpeg, imageStream);
if (string.IsNullOrWhiteSpace(AuthService.FacebookAccessToken))
{
if (BrowserWindow?.IsVisible ?? false)
{
return;
}
BrowserWindow = new BrowserView(FacebookAPI.FacebookAuthenticationUri);
BrowserWindow.FacebookConnected += (s, e) =>
{
var args = e as ConnectedEventArgs;
AuthService.FacebookAccessToken = args.ConnectionToken;
BrowserWindow.Close();
GetFacebookCaption(imageStream);
};
BrowserWindow.Show();
return;
}
GetFacebookCaption(imageStream);
}