大家看一下我这样写有什么问题,这样不能实现我要的功能,又找不出原因...procedure TFramFluid.dbRedeemCustomDrawCell(Sender: TObject; ACanvas: TCanvas; ARect: TRect; ANode: TdxTreeListNode; AColumn: TdxTreeListColumn; ASelected, AFocused, ANewItemRow: Boolean; var AText: String; var AColor: TColor; AFont: TFont; var AAlignment: TAlignment; var ADone: Boolean); begin if (AColumn = dbRedeemEN_JREDEEM_BALANCE) and (TdxDBGridMaskColumn(AColumn).Field.AsFloat < 0) then begin AFont.Color := clRed; end; if (AColumn = dbRedeemEN_REDEEM_RATIO) and (qryRedeem.FieldByName('EN_REDEEM_RATIO').Value < 0) then begin AFont.Color := clRed; end; end;
(qryRedeem.FieldByName('EN_REDEEM_RATIO').Value < 0) then (StrToIntDef(AText,0)<0) then
procedure TForm1.DBGrid1DrawDataCell(Sender: TObject; const Rect: TRect;Field: TField; State: TGridDrawState);
begin
if Table1.Fieldbyname(′Salary′).value<60 then
DBGrid1.Canvas.Brush.Color:=clBlue
else
DBGrid1.Canvas.Brush.Color:=clRed;
DBGrid1.Canvas.FillRect(Rect);
DBGrid1.Canvas.TextOut(Rect.left+2,Rect.top+2,Field.AsString);
end;
node.strings[列索引]
ACanvas: TCanvas; ARect: TRect; ANode: TdxTreeListNode;
AColumn: TdxTreeListColumn; ASelected, AFocused, ANewItemRow: Boolean;
var AText: String; var AColor: TColor; AFont: TFont;
var AAlignment: TAlignment; var ADone: Boolean);
begin
if (AColumn = dbRedeemEN_JREDEEM_BALANCE) and
(TdxDBGridMaskColumn(AColumn).Field.AsFloat < 0) then
begin
AFont.Color := clRed;
end;
if (AColumn = dbRedeemEN_REDEEM_RATIO) and
(qryRedeem.FieldByName('EN_REDEEM_RATIO').Value < 0) then
begin
AFont.Color := clRed;
end;
end;
(StrToIntDef(AText,0)<0) then