I made a extension for Tfolderex-class. (Antonio: adding to next build?)
Now we can colouring all dialogs with different colors (CLR_WHITE,CLR_GREEN,...) or gradient-brushes in the format {{},{},...},... or file-brushes (test1.bmp,test2.jpg,...) . If only one is defined, all the dialogs are with same color or brush.
1. New method SetDiaColors to coloring the dialogs from folder
2. In method Default()
3. New Header
Now we can colouring all dialogs with different colors (CLR_WHITE,CLR_GREEN,...) or gradient-brushes in the format {{},{},...},... or file-brushes (test1.bmp,test2.jpg,...) . If only one is defined, all the dialogs are with same color or brush.
1. New method SetDiaColors to coloring the dialogs from folder
METHOD SetDiaColors( oDlg , n ) CLASS TFolderEx
local oBrush
  if Len( ::aClrDialogs ) >= n .and. (valtype(::aClrDialogs[n]) == "N" .or. valtype(::aClrDialogs[n]) == "A" .or. (valtype(::aClrDialogs[n]) == "C" .and. file(rtrim(::aClrDialogs[n])) ) )
    if valtype(::aClrDialogs[n]) == "N"
      oBrush = TBrush():New( , ::aClrDialogs[ n ] )  //simple color
    elseif valtype(::aClrDialogs[n]) == "A"
      oBrush := TBrush():New(,,,,::aClrDialogs[n])  //array with gradient
    else
      oBrush := TBrush():New( , ,rtrim(::aClrDialogs[ n ]) ) //picture-file
    endif
      oDlg:SetBrush( oBrush )
  else
    if oDlg:lTransparent
      if ::oWnd:oBrush != NIL
        oDlg:SetBrush( ::oWnd:oBrush )
      else
        oBrush = TBrush():New( , ::oWnd:nClrPane )
        oDlg:SetBrush( oBrush )
      endif
    else
      oBrush = TBrush():New( , CLR_WHITE )
      oDlg:SetBrush( oBrush )
    endif
  endif
  if hb_isObject( oBrush )
    oBrush:end()
  endif
RETURN NIL2. In method Default()
  ::SetDiaColors( oDlg , nAkt )  //NEW!
   ACTIVATE DIALOG oDlg NOWAIT VALID .f.;
       ON INIT ::Move( aMove[ 1 ], aMove[ 2 ] )3. New Header
#xcommand @ <nRow>, <nCol> FOLDEREX [<oFolder>] ;
       [ <of: OF, WINDOW, DIALOG> <oWnd> ] ;
       [ <prm: PROMPT, PROMPTS, ITEMS> <cPrompt,...> ] ;
       [ <bm: BITMAPS, IMAGES, BMPS> <cbmps,...> ] ;
       [ <lPixel: PIXEL> ] ;
       [ <lDesign: DESIGN> ] ;
       [ TAB HEIGHT <ntabheight> ];
       [ SEPARATOR <nSep> ];
       [ OPTION <nOption> ] ;
       [ ROUND <nRound> ];
       [ SIZE <nWidth>, <nHeight> ] ;
       [ <lAdjust: ADJUST> ] ;
       [ <lStretch: STRETCH> ] ;
       [ POPUP <upop>];
       [ ALIGN <nAlign,...> ] ;
       [ ACTION <uAction> ];
       [ BRIGHT <nBright> ] ;
       [ ON CHANGE <uChange> ] ;
       [ ON PAINT TAB <uPaint> ];
       [ ON PAINT TEXT <uPaintxt> ];
       [ HELPTOPICS <cnHelpids,...> ] ;
       [ <layout: TOP, LEFT, BOTTOM, RIGHT> ] ;
       [ <lAnimate: ANIMATE> [ SPEED <nSpeed> ] ] ;
     [ FONT <oFont> ] ; //-->> byte-one 2010
       [ <lTransparent: TRANSPARENT> ] ;
     [ DIALOGCOLORS <nColors,...> ] ; //-->> byte-one 2011
    => ;
       [<oFolder> := ] TFoldereX():New( <nRow>, <nCol>, <nWidth>, <nHeight>,;
       <oWnd>, [\{<cbmps>\}], <.lPixel.>, <.lDesign.>, [\{<cPrompt>\}], ;
       <ntabheight>, [\{<cnHelpids>\}], <nRound>, [{|nOption, nOldOption, Self | <uChange>}],;
       [{|Self,nOption| <uPaint>}], [{|Self,nOption| <uPaintxt>}], ;
       [\{<nAlign>\}], <.lAdjust.>, <nSep>, <nOption>, [{|Self,nOption| <upop>}],;
       <.lStretch.>, [ Upper(<(layout)>) ], [{|Self,nOption| <uAction>}], <nBright>, <.lAnimate.>, [<nSpeed>],;
       <oFont>,<.lTransparent.>,[\{<nColors>\}])
#xcommand REDEFINE FOLDEREX [<oFolder>];
       [ ID <nId> ] ;
       [ <of: OF, WINDOW, DIALOG> <oWnd> ] ;
       [ <prm: PROMPT, PROMPTS, ITEMS> <cPrompt,...> ] ;
       [ <bm: BITMAPS, IMAGES, BMPS> <cbmps,...> ] ;
       [ <dlg: DIALOG, DIALOGS, PAGE, PAGES> <cDlgsName,...> ] ;
       [ TAB HEIGHT <ntabheight> ];
       [ OPTION <nOption> ] ;
       [ ROUND <nRound> ];
       [ SEPARATOR <nSep> ];
       [ <lAdjust: ADJUST> ] ;
       [ <lStretch: STRETCH> ] ;
       [ POPUP <upop>];
       [ ALIGN <nAlign,...> ] ;
       [ BRIGHT <nBright> ] ;
       [ ACTION <uAction> ];
       [ ON CHANGE <uChange> ] ;
       [ ON PAINT TAB <uPaint> ];
       [ ON PAINT TEXT <uPaintxt> ];
       [ HELPTOPICS <cnHelpids,...> ] ;
       [ <layout: TOP, LEFT, BOTTOM, RIGHT> ] ;
       [ <lAnimate: ANIMATE> [ SPEED <nSpeed> ] ] ;
     [ FONT <oFont> ]; //-->> byte-one 2010
       [ <lTransparent: TRANSPARENT> ] ;
     [ DIALOGCOLORS <nColors,...> ] ; //-->> byte-one 2011
    => ;
       [<oFolder> := ] TFoldereX():ReDefine( <nId>, <oWnd>, [\{<cDlgsName>\}],;
       [\{<cbmps>\}], [\{<cPrompt>\}], <ntabheight>, [\{<cnHelpids>\}],;
       <nRound>, [{|nOption,nOldOption,Self| <uChange>}],;
       [{|Self,nOption| <uPaint>}], [{|Self,nOption| <uPaintxt>}], ;
       [\{<nAlign>\}], <.lAdjust.>, <nSep>, <nOption>, ;
       [{|Self,nOption| <upop>}], <.lStretch.>, [ Upper(<(layout)>) ],;
       [{|Self,nOption| <uAction>}], <nBright>, <.lAnimate.>, [<nSpeed>],;
       <oFont>,<.lTransparent.>,[\{<nColors>\}] )

