public void Load(string path)
{
AssertThreading();
if (!File.Exists(path))
{
throw new FileNotFoundException(path);
}
if (DisplayedPreviewer != null)
{
Unload();
}
var newType = GetPreviewerClsidForPath(path);
var newPreviewer = new TypedPreviewerHandle(this, newType);
try
{
newPreviewer.ShowFirstFile(path);
}
catch
{
newPreviewer.Dispose();
throw;
}
this.DisplayedPreviewer = newPreviewer;
this._DisplayedPath = path;
this.LastLoadException = null;
this.DisplayedPathChanged?.Invoke(this, EventArgs.Empty);
}
private void Unload()
{
AssertThreading();
DisplayedPreviewer?.Dispose();
DisplayedPreviewer = null;
}