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Delphi Developer's Kit 1996
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arrtest6.pas
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Pascal/Delphi Source File
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1995-12-22
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2KB
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77 lines
unit Arrtest6;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, StdCtrls, VBXCtrl, Gauge, ExtCtrls;
type
TProgressDlg = class(TForm)
BtnAbort: TButton;
Gauge: TBiGauge;
Panel1: TPanel;
LblAction: TLabel;
LblFilename: TLabel;
procedure BtnAbortClick(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
faborted : Boolean;
{ Private-Deklarationen }
public
Function ReportProgressOnLoad( pos, max: LongInt;
Var retain: Boolean ): Boolean;
Function ReportProgressOnStore( pos, max: LongInt;
Var retain: Boolean ): Boolean;
end;
var
ProgressDlg: TProgressDlg;
implementation
{$R *.DFM}
Function TProgressDlg.ReportProgressOnLoad( pos, max: LongInt;
Var retain: Boolean ): Boolean;
Begin
Application.ProcessMessages;
If faborted Then Begin
FormStyle := fsNormal;
retain :=
MessageDlg('Do you want to retain the data already read?',
mtConfirmation, [mbYes, mbNo],0 ) = mrYes
End
Else
Gauge.Value := (pos*100) div max;
Result := not faborted;
End; { TProgressDlg.ReportProgressOnLoad }
Function TProgressDlg.ReportProgressOnStore( pos, max: LongInt;
Var retain: Boolean ): Boolean;
Begin
Application.ProcessMessages;
If faborted Then Begin
FormStyle := fsNormal;
retain :=
MessageDlg('Do you want to retain the incomplete file?',
mtConfirmation, [mbYes, mbNo],0 ) = mrYes
End
Else
Gauge.Value := (pos*100) div max;
Result := not faborted;
End; { TProgressDlg.ReportProgressOnStore }
procedure TProgressDlg.BtnAbortClick(Sender: TObject);
begin
faborted := true;
end;
procedure TProgressDlg.FormClose(Sender: TObject;
var Action: TCloseAction);
begin
Action := caFree;
end;
end.