Use the ForeColor property to specify the caption's foreground color. Use the Caption property to display a caption on the thumbnail control. Use the Font property to specify the font to display the caption on the thumbnail. Use the Transparency property to specify the transparency to display the caption on the thumbnail control. Use the InputFile property to specify the file to display its thumbnail. Use the OutputFile property to save the thumbnail picture. You can use the <fgcolor> HTML tag to draw portion of text using different foreground color.