private async Task OpenPicturesFolder()
{
mlPic = await LibraryView.FolderOpenLoad();
if (mlPic.Files.Count() == 0)
{
return;
}
var pagePic = mlPic.First().First;
await LibraryView.LoadTopGrid(mlPic, imageHeads);
await LibraryView.LoadBottomGrid(mlPic, pagePic.Series, imageGroups);
await LibraryView.LoadNewPicture(mlPic, pagePic.Series, pagePic.SeriesNumberTag, mainImage);
}