PageHeader.fil.BackColor

Comments

• Polomint Australia

  March 2018 edited 10:22AM

  gpiriou wrote: »

  PageHeader.fil.BackColor

  I assume you meant PageHeader.Fill.BackColor. This works as required in version FastReport 5.0 and 6.0, but I can't test it on 4.0...
  
  Cheers, Paul
• gpiriou

  March 2018 edited 10:22AM

  hi
  sorry I was gone on vacation ...
  it does not work with FR6.
  LPageHeader1.Fill.backcolor: undeclared identifier
• Polomint Australia

  March 2018 edited March 2018

  gpiriou wrote: »

  LPageHeader1.Fill.backcolor: undeclared identifier

  Hope you had a good time on holiday [img]style_emoticons/<#EMO_DIR#>/smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> (Bearing in mind that I am looking at FR VCL 6.0 here...) I decided to demonstrate how to do this, with the following code, only to get your error(!) i.e.[/img]

  [dcc32 Error] TestFastReportVariablesForm.pas(32): E2003 Undeclared identifier: 'BackColor'

  unit TestFastReportVariablesForm;
  
  interface
  
  uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls, frxClass;
  
  type
    TFormTestFastReportVariables = class(TForm)
      PanelMain : TPanel;
      ButtonPreview : TButton;
      Report : TfrxReport;
      procedure ReportBeforePrint (Sender : TfrxReportComponent);
      procedure ReportBeginDoc(Sender: TObject);
    private
      { Private declarations }
      LPageHeader1 : TfrxPageHeader;
    public
      { Public declarations }
    end; {TFormTestFastReportVariables}
  
  var
    FormTestFastReportVariables : TFormTestFastReportVariables;
  
  implementation
  
  {$R *.dfm}
  
  procedure TFormTestFastReportVariables.ReportBeforePrint (Sender : TfrxReportComponent);
  begin
    LPageHeader1.Fill.BackColor := clSkyBlue;
  end; {TFormTestFastReportVariables.ReportBeforePrint}
  
  procedure TFormTestFastReportVariables.ReportBeginDoc (Sender : TObject);
  begin
    LPageHeader1 := Report.FindObject ('LPageHeader1') as TfrxPageHeader;
  end; {TFormTestFastReportVariables.ReportBeginDoc}
  
  end.
  

  So while you can set the Fill BackColor in the designer, and store the value in the DFM / FR3 file, it seems you can't set it in Delphi code!
  
  Now this is strange, because a look at the FR VCL 5.6.8 source shows the declaration of TfrxCustomFill does publish BackColor:

    TfrxCustomFill = class(TPersistent)
    public
  //    procedure Assign(Source: TfrxCustomFill); virtual; abstract;
      procedure Draw(ACanvas: TCanvas; X, Y, X1, Y1: Integer; ScaleX, ScaleY: Extended); virtual; abstract;
      function Diff(AFill: TfrxCustomFill; const Add: String): String; virtual; abstract;
    end;
  
    TfrxBrushFill = class(TfrxCustomFill)
    private
      FBackColor: TColor;
      FForeColor: TColor;
      FStyle: TBrushStyle;
    public
      constructor Create;
      procedure Assign(Source: TPersistent); override;
      procedure Draw(ACanvas: TCanvas; X, Y, X1, Y1: Integer; ScaleX, ScaleY: Extended); override;
      function Diff(AFill: TfrxCustomFill; const Add: String): String; override;
    published
      property BackColor: TColor read FBackColor write FBackColor default clNone;
      property ForeColor: TColor read FForeColor write FForeColor default clBlack;
      property Style: TBrushStyle read FStyle write FStyle default bsSolid;
    end;
  

  
  More investigation is needed here, but I've run out of time today!
  
  Cheers, Paul
  ==============================
  
  Reading my post I just spotted a blooper! TfrxCustomFill does not publish BackColor, TfrxBrushFill (a descendant) does!
  
  As a workaround you could do:

    TfrxBrushFill (LPageHeader1.Fill).BackColor := clSkyBlue;
  

  which in my test program works!
  
  I think this is something you should raise with Support.
  
  Cheers, Paul

  Screenshot_2018_03_13_13.19.09.png 47.4K
• gpiriou

  March 2018 edited 10:22AM

  Hello,
  
  TfrxBrushFill (LPageHeader1.Fill) .Backcolor: = $ 00CCFFCC;
  
  super it works!
  
  thank you very much. see you soon