|color book selector
||Sets the color book to use. The drop-down menu lists all color books stored in the open DGN library or file. Colors are grouped according to how they appear on various paper types.
|| Sets the name of the color to use. The background of each row shows a preview of each color. This list is sorted by hue.
|| The rectangle (to the right of the color list box) displays all the colors in the book. Clicking on it moves the current book location and updates the list. The black outline rectangle represents the colors currently displayed in the list.
|| Displays the name of the selected color. You can also key in the name of a color in this field.