// Tile a bitmap over the TImageEnMView background (behind thumbnails)
// Wallpaper is a TPicture (which does not always support JPEG) so load into a TIEBitmap and then assign the bitmap
bmp := TIEBitmap.Create( ExtractFilePath( Application.Exename ) + 'Wallpaper.jpg');
ImageEnMView1.WallpaperStyle := iewoTile;
ImageEnMView1.Wallpaper.Assign( bmp.VclBitmap );
bmp.free;
// Use an image as the full background of a TImageEnView (behind the main image and layers)
bmp := TIEBitmap.Create( ExtractFilePath( Application.Exename ) + 'Wallpaper.jpg');
ImageEnView1.WallpaperStyle := iewoStretch;
ImageEnView1.Wallpaper.Assign( bmp.VclBitmap );
bmp.free;
// If the wallpaper file is BMP format, you can just use:
// Tile a bitmap over the TImageEnView background
ImageEnView1.WallpaperStyle := iewoStretch;
ImageEnView1.Wallpaper.LoadFromFile('D:\MyWallpaper.bmp');