private static string ExtractThumbnails(string iconPath, Transaction tr, ObjectId id)
{
var btr = (BlockTableRecord)tr.GetObject(id, OpenMode.ForRead);
if (!Directory.Exists(iconPath))
{
Directory.CreateDirectory(iconPath);
}
// Save the icon to our out directory
var imgsrc = CMLContentSearchPreviews.GetBlockTRThumbnail(btr);
var bmp = ImageSourceToGDI(imgsrc as System.Windows.Media.Imaging.BitmapSource);
var fname = $"{iconPath}\\{btr.Name}.bmp";
if (File.Exists(fname))
{
File.Delete(fname);
}
bmp.Save(fname);
return(fname);
}
public static Icon GetPreviewIcon(BlockTableRecord btr)
{
var imgsrc = CMLContentSearchPreviews.GetBlockTRThumbnail(btr);
var bitmap = (Bitmap)ImageSourceToGDI((BitmapSource)imgsrc);
var iconPtr = bitmap.GetHicon();
return(Icon.FromHandle(iconPtr));
}
public static System.Drawing.Image GetPreviewImage(BlockTableRecord btr)
{
var imgsrc = CMLContentSearchPreviews.GetBlockTRThumbnail(btr);
return(ImageSourceToGDI((BitmapSource)imgsrc));
}
public static ImageSource GetPreview(BlockTableRecord btr)
{
return(CMLContentSearchPreviews.GetBlockTRThumbnail(btr));
}
