If the ClearPartBorderColor method is called, the part show no border, until the PartBorderColor is set again.  By default, the PartBorderSize property is 1, which means that the part draws a frame of color being indicated by the PartBorderColor property. Use the PartTransparency property to specify the transparency to display the part of the note. The PartForeColor property to specify the part's foreground color. Use the <bgcolor> HTML tag in the PartText property to specify parts of the note's caption with different background colors. Use the The PartBackColor property to specify an EBN object to show a different visual appearance for the part ( borders and background ).