/// <summary>
/// Check if dragged file is valid,
/// returns false for valid file with no thumbnail,
/// true for valid file with thumbnail
/// and null for invalid file
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
private static bool?Drag_Drop_Check(string[] files)
{
// Return if file strings are null
if (files == null)
{
return(null);
}
if (files[0] == null)
{
return(null);
}
// Return status of useable file
return(SupportedFiles.IsSupportedFileWithArchives(Path.GetExtension(files[0])));
}
internal static BitmapSource GetBitmapSourceThumb(string path)
{
var supported = SupportedFiles.IsSupportedFile(path);
if (!supported.HasValue)
{
return(null);
}
if (supported.Value)
{
return(GetWindowsThumbnail(path));
}
else if (!supported.Value)
{
return(GetMagickImage(path, 60, 55));
}
return(null);
}
