public void Load()
{
try
{
_asyncSource = ThumbnailGenerator.GenerateThumbnail(filename);
_asyncSource.Freeze();
Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, (Action) delegate
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs("AsyncSource"));
}
if (loaded != null)
{
loaded();
}
});
}
catch (Exception ex)
{
Logger.Error("An error has occured while trying to create an AsyncThumbnailImage. Filename = {0} Exception = {1}", LogSource.BackgroundTask, filename, ex);
}
}
protected string GenerateThumbnail(ThumbnailGenerator generator, string originalFilePath,
string imagesBasePath, string thumbnailName)
{
string thumbnailPathNoExtension = Path.Combine(imagesBasePath, thumbnailName);
string fullThumbnailPath = generator.GenerateThumbnail(originalFilePath, thumbnailPathNoExtension);
return Path.GetFileName(fullThumbnailPath);
}
public void GetFileInfo(string Path)
{
if (!File.Exists(Path) && !Directory.Exists(Path))
{
this.Name = this.Language.ErrorMessages.MissingInvalid + ": " + Path;
this.Description = this.Language.ErrorMessages.MissingInvalid + ": " + Path;
this.RepresentativeImage = ImageResources.MissingIcon;
}
else
{
try
{
SHFileInfo sHFileInfo = default(SHFileInfo);
Shell32API.SHGetFileInfo(Path, 0u, ref sHFileInfo, (uint)Marshal.SizeOf(sHFileInfo), (ShellGetFileInfoFlags)1536);
this.Name = sHFileInfo.szDisplayName;
this.Description = sHFileInfo.szTypeName;
this.RepresentativeImage = null;
try
{
if (Environment.OSVersion.Version.Major < 6)
{
this.RepresentativeImage = this.GetThumbnail(Path);
}
if (this.RepresentativeImage == null)
{
this.RepresentativeImage = ThumbnailGenerator.GenerateThumbnail(Path);
}
if (this.RepresentativeImage == null)
{
this.RepresentativeImage = ImageListThumbnailGenerator.GetJumboLargeThumbnail(Path);
}
if (this.RepresentativeImage == null)
{
this.RepresentativeImage = ImageResources.MissingIcon;
}
}
catch (Exception)
{
this.RepresentativeImage = ImageResources.MissingIcon;
}
}
catch (Exception)
{
this.Name = this.Language.ErrorMessages.MissingInvalid + ": " + Path;
this.Description = this.Language.ErrorMessages.MissingInvalid + ": " + Path;
this.RepresentativeImage = ImageResources.MissingIcon;
}
}
}