SetItemBackgroundColor
Set the color of the text underlay for the given line in the table element of the dialog.
ts_dialogcontrol(int iListBox, "SetItemBackgroundColor", int row, int red, int green, int blue);
Here:
iListBox - descriptor of the table element of the dialog,
row - row number,
red, green, blue - values from 0 to 255 for red, green and blue components.