| ImageEn, unit iexColorPalette |  | 
 
TIEColorPalette.OnCellClick
 
Declaration
property OnCellClick: TIECellClickEvent;
Description
Occurs whenever the user clicks a color cell.
Set 
Allow to false, if you do not want to allow the selection.
procedure TForm1.ColorPalette1CellClick(Button: TMouseButton; Shift:
    TShiftState; Index: Integer; aColor: TColor; var Allow: Boolean);
begin
  if aColor = clRed then
    // Don't allow red cells to be clicked
    Allow := False;
end;