[Imitri7]

как исправить ошибку ?

вот код

читать дальше »

Код:

//************************************************ [Íà÷àëî - Íàëîæåíèå òåêñòóðû + öåíòðèðîâàíèå òåêñòà (êíîïêè)] ***************************************************//
const
  ButtonWidth = 80;    //Óêàçûâàåì ðàçìåð êíîïîê
  ButtonHeight = 23;

  bidBack = 0;
  bidNext = 1;
  bidCancel = 2;
  bidDirBrowse = 3;
  bidGroupBrowse = 4;

var
  ButtonPanel: array [0..4] of TPanel;
  ButtonImage: array [0..4] of TBitmapImage;
  ButtonLabel: array [0..4] of TLabel;

procedure ButtonLabelClick(Sender: TObject);
var
  Button: TButton;
begin
  ButtonImage[TLabel(Sender).Tag].Left:=0
  case TLabel(Sender).Tag of
    bidBack: Button:=WizardForm.BackButton
    bidNext: Button:=WizardForm.NextButton
    bidCancel: Button:=WizardForm.CancelButton
    bidDirBrowse: Button:=WizardForm.DirBrowseButton
    bidGroupBrowse: Button:=WizardForm.GroupBrowseButton
  else
    Exit
  end
  Button.OnClick(Button)
end;

procedure ButtonLabelMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  if ButtonLabel[TLabel(Sender).Tag].Enabled then
     ButtonImage[TLabel(Sender).Tag].Left:=-ButtonWidth
end;

procedure ButtonLabelMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  ButtonImage[TLabel(Sender).Tag].Left:=0
end;

procedure LoadButtonImage(AButton: TButton; AButtonIndex: integer);
var
  Image: TBitmapImage;
  Panel: TPanel;
  Labl: TLabel;

begin
  Panel:=TPanel.Create(WizardForm)
  Panel.Left:=AButton.Left
  Panel.Top:=AButton.Top
  Panel.Width:=AButton.Width
  Panel.Height:=AButton.Height
  Panel.Tag:=AButtonIndex
  Panel.Parent:=AButton.Parent
  ButtonPanel[AButtonIndex]:=Panel

  Image:=TBitmapImage.Create(WizardForm)    //Ðèñóíîê êîòîðûé ëîæèòñÿ íà êíîïêó
  Image.Width:=160                          //Îáÿçàòåëüíî ïðîïèñàòü îðèãèíàëüíûé ðàçìåð ðèñóíêà
  Image.Height:=23
  Image.Enabled:=False
  Image.Bitmap.LoadFromFile(ExpandConstant('{tmp}\button.bmp'))
  Image.Parent:=Panel
  ButtonImage[AButtonIndex]:=Image

  with TLabel.Create(WizardForm) do begin
    Tag:=AButtonIndex
    Parent:=Panel
    Width:=Panel.Width
    Height:=Panel.Height
    Transparent:=True
    OnClick:=@ButtonLabelClick
    OnDblClick:=@ButtonLabelClick
    OnMouseDown:=@ButtonLabelMouseDown
    OnMouseUp:=@ButtonLabelMouseUp
  end

  Labl:=TLabel.Create(WizardForm)        //Òåêñò êíîïîê
  Labl.Left:=23                          //Óêàçûâàåì ïîëîæåíèå òåêñòà
  Labl.Top:=5
  Labl.Autosize:=True
  Labl.Alignment:=taCenter
  Labl.Tag:=AButtonIndex
  Labl.Transparent:=True
  Labl.Font.Color:=clFont               //Öâåò òåêñòà
  Labl.Caption:=AButton.Caption
  Labl.OnClick:=@ButtonLabelClick
  Labl.OnDblClick:=@ButtonLabelClick
  Labl.OnMouseDown:=@ButtonLabelMouseDown
  Labl.OnMouseUp:=@ButtonLabelMouseUp
  Labl.Parent:=Panel
  ButtonLabel[AButtonIndex]:=Labl
end;

procedure UpdateButton(AButton: TButton;AButtonIndex: integer);
begin
  ButtonLabel[AButtonIndex].Caption:=AButton.Caption
  ButtonPanel[AButtonIndex].Visible:=AButton.Visible
  ButtonLabel[AButtonIndex].Enabled:=Abutton.Enabled
end;

procedure LicenceAcceptedRadioOnClick(Sender: TObject);
begin
  ButtonLabel[bidNext].Enabled:=True
  ButtonPanel[bidNext].Enabled := True
end;

procedure LicenceNotAcceptedRadioOnClick(Sender: TObject);
begin
  ButtonLabel[bidNext].Enabled:=False
  ButtonPanel[bidNext].Enabled := False
end;

procedure CurPageChanged1(CurPageID: Integer);
begin
  UpdateButton(WizardForm.BackButton,bidBack)
  UpdateButton(WizardForm.NextButton,bidNext)
  UpdateButton(WizardForm.CancelButton,bidCancel)
  ButtonLabel[bidBack].Left := (ButtonPanel[bidBack].Width / 2 - ButtonLabel[bidBack].Width / 2);
  ButtonLabel[bidNext].Left := (ButtonPanel[bidNext].Width / 2 - ButtonLabel[bidNext].Width / 2);
  ButtonLabel[bidCancel].Left := (ButtonPanel[bidCancel].Width / 2 - ButtonLabel[bidCancel].Width / 2);
  ButtonLabel[bidDirBrowse].Left := (ButtonPanel[bidDirBrowse].Width / 2 - ButtonLabel[bidDirBrowse].Width / 2);
  ButtonLabel[bidGroupBrowse].Left := (ButtonPanel[bidGroupBrowse].Width / 2 - ButtonLabel[bidGroupBrowse].Width / 2);
end;

procedure InitializeWizard1();
begin
  WizardForm.BackButton.Width:=ButtonWidth
  WizardForm.BackButton.Height:=ButtonHeight

  WizardForm.NextButton.Width:=ButtonWidth
  WizardForm.NextButton.Height:=ButtonHeight

  WizardForm.CancelButton.Width:=ButtonWidth
  WizardForm.CancelButton.Height:=ButtonHeight

  WizardForm.DirBrowseButton.Left:=337
  WizardForm.DirBrowseButton.Width:=ButtonWidth
  WizardForm.DirBrowseButton.Height:=ButtonHeight

  WizardForm.GroupBrowseButton.Left:=337
  WizardForm.GroupBrowseButton.Width:=ButtonWidth
  WizardForm.GroupBrowseButton.Height:=ButtonHeight

  WizardForm.LicenseAcceptedRadio.OnClick:=@LicenceAcceptedRadioOnClick

  WizardForm.LicenseNotAcceptedRadio.OnClick:=@LicenceNotAcceptedRadioOnClick

  ExtractTemporaryFile('button.bmp')
  LoadButtonImage(WizardForm.BackButton,bidBack)
  LoadButtonImage(WizardForm.NextButton,bidNext)
  LoadButtonImage(WizardForm.CancelButton,bidCancel)
  LoadButtonImage(WizardForm.DirBrowseButton,bidDirBrowse)
  LoadButtonImage(WizardForm.GroupBrowseButton,bidGroupBrowse)
end;
//************************************************ [Êîíåö - Íàëîæåíèå òåêñòóðû + öåíòðèðîâàíèå òåêñòà (êíîïêè)] ****************************************************//

//************************************************ [Íà÷àëî - Ñâîáîäíî ìåñòà íà äèñêå] ****************************************************//
var
NeedSize:Integer;
FreeMB, TotalMB: Cardinal;
NeedSpaceLabel,FreeSpaceLabel: TLabel;

procedure GetFreeSpaceCaption(Sender: TObject);
var
Path: String;
begin
Path := ExtractFileDrive(WizardForm.DirEdit.Text);
GetSpaceOnDisk(Path, True, FreeMB, TotalMB);
if FreeMB > 1024 then
FreeSpaceLabel.Caption := 'Äîñòóïíî ìåñòà íà äèñêå: '+ FloatToStr(round(FreeMB/1024*100)/100) + ' GB' else
FreeSpaceLabel.Caption := 'Äîñòóïíî ìåñòà íà äèñêå: '+ IntToStr(FreeMB)+ ' MB';
if FreeMB < NeedSize then
begin
    WizardForm.NextButton.Enabled := False;
end else
  begin
    WizardForm.NextButton.Enabled := True;
    ButtonLabel[bidNext].Enabled := True;
    ButtonPanel[bidNext].Enabled := True;
  end;
end;


procedure GetNeedSpaceCaption;
begin
  if NeedSize > 1024 then
  NeedSpaceLabel.Caption := 'Òðåáóåòñÿ ìåñòà íà äèñêå: '+ FloatToStr(round(NeedSize/1024*100)/100) + ' ÃÁ' else
  NeedSpaceLabel.Caption := 'Òðåáóåòñÿ ìåñòà íà äèñêå: '+ IntToStr(NeedSize)+ ' ÌÁ';
end;

procedure InitializeWizard2();
begin
NeedSize := 2048;

WizardForm.DiskSpaceLabel.Hide;

NeedSpaceLabel := TLabel.Create(WizardForm);
with NeedSpaceLabel do
begin
Parent := WizardForm.SelectDirPage;
Left := ScaleX(0);
Top := ScaleY(202);
Width := ScaleX(209);
Height := ScaleY(13);
end;

FreeSpaceLabel := TLabel.Create(WizardForm);
with FreeSpaceLabel do
begin
Parent := WizardForm.SelectDirPage;
Left := ScaleX(0);
Top := ScaleY(220);
Width := ScaleX(209);
Height := ScaleY(13);
end;
WizardForm.DirEdit.OnChange := @GetFreeSpaceCaption;
WizardForm.DirEdit.Text := WizardForm.DirEdit.Text + #0;
end;

procedure CurPageChanged2(CurPageID: Integer);
begin
if CurPageID=wpSelectDir then begin
GetNeedSpaceCaption;
if FreeMB < NeedSize then
WizardForm.NextButton.Enabled:=False
end;
end;

//************************************************ [Êîíåö - Ñâîáîäíî ìåñòà íà äèñêå] ****************************************************//
procedure CurPageChanged(CurPageID: Integer);
begin
  CurPageChanged1(CurPageID);
  CurPageChanged2(CurPageID);
end;
procedure InitializeWizard();
begin
  InitializeWizard1();
  InitializeWizard2();
end;

если сделать

Код:

NeedSize := 3072;

то ошибку не выдает