public void SetPreviewItem(ShellItem shellItem)
{
// Create a stream for the item.
using (var managedStream = new FileStream(shellItem.Path, FileMode.Open, FileAccess.Read))
{
var stream = new StreamWrapper(managedStream);
((IInitializeWithStream) sharpThumbnailHandler).Initialize(stream, 0);
IntPtr bitmapHandle;
WTS_ALPHATYPE alphaType;
((IThumbnailProvider) sharpThumbnailHandler).GetThumbnail((uint)pictureBox1.Width, out bitmapHandle, out alphaType);
pictureBox1.Image = Image.FromHbitmap(bitmapHandle);
/*
var bitmap = (Bitmap) sharpThumbnailHandler.GetType().GetMethod("GetThumbnailImage", BindingFlags.Instance | BindingFlags.NonPublic)
.Invoke(sharpThumbnailHandler, new object[] { (uint)pictureBox1.Width });
var hbmp = bitmap.GetHbitmap();
var converted = Image.FromHbitmap(hbmp);
pictureBox1.Image = converted;*/
}
}
public void SetPreviewItem(string path)
{
if (previewHandler is IInitializeWithFile)
{
((IInitializeWithFile)previewHandler).Initialize(path, 0);
}
else if (previewHandler is IInitializeWithStream)
{
var managedStream = File.Open(path, FileMode.Open);
var stream = new StreamWrapper(managedStream);
((IInitializeWithStream)previewHandler).Initialize(stream, 0);
}
if (previewHandler is IPreviewHandler)
{
RECT rect = new RECT() {bottom = ClientRectangle.Bottom, left = ClientRectangle.Left, right = ClientRectangle.Right, top = ClientRectangle.Top};
((IPreviewHandler)previewHandler).SetWindow(Handle, rect);
((IPreviewHandler)previewHandler).DoPreview();
}
}
