Главная форма:| Код |
unit SDIMAIN;
interface
uses Windows, Classes, Graphics, Forms, Controls, Menus,
Dialogs, StdCtrls, Buttons, ExtCtrls, ComCtrls, ImgList, StdActns,
ActnList, ToolWin;
type
TSDIAppForm = class(TForm)
OpenDialog: TOpenDialog;
SaveDialog: TSaveDialog;
ToolBar1: TToolBar;
ToolButton9: TToolButton;
ToolButton1: TToolButton;
ToolButton2: TToolButton;
ToolButton3: TToolButton;
ToolButton4: TToolButton;
ToolButton5: TToolButton;
ToolButton6: TToolButton;
ActionList1: TActionList;
FileNew1: TAction;
FileOpen1: TAction;
FileSave1: TAction;
FileSaveAs1: TAction;
FileExit1: TAction;
EditCut1: TEditCut;
EditCopy1: TEditCopy;
EditPaste1: TEditPaste;
HelpAbout1: TAction;
StatusBar: TStatusBar;
ImageList1: TImageList;
MainMenu1: TMainMenu;
File1: TMenuItem;
FileNewItem: TMenuItem;
FileOpenItem: TMenuItem;
FileSaveItem: TMenuItem;
FileSaveAsItem: TMenuItem;
N1: TMenuItem;
FileExitItem: TMenuItem;
Edit1: TMenuItem;
CutItem: TMenuItem;
CopyItem: TMenuItem;
PasteItem: TMenuItem;
Help1: TMenuItem;
HelpAboutItem: TMenuItem;
Button1: TButton;
procedure FileNew1Execute(Sender: TObject);
procedure FileOpen1Execute(Sender: TObject);
procedure FileSave1Execute(Sender: TObject);
procedure FileExit1Execute(Sender: TObject);
procedure HelpAbout1Execute(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
SDIAppForm: TSDIAppForm;
implementation
uses about, fmForm1;
{$R *.dfm}
procedure TSDIAppForm.FileNew1Execute(Sender: TObject);
begin
{ Do nothing }
end;
procedure TSDIAppForm.FileOpen1Execute(Sender: TObject);
begin
OpenDialog.Execute;
end;
procedure TSDIAppForm.FileSave1Execute(Sender: TObject);
begin
SaveDialog.Execute;
end;
procedure TSDIAppForm.Button1Click(Sender: TObject);
var
f1:TForm1;
begin
f1 := TForm1.Create(Self);
f1.ShowModal;
end;
procedure TSDIAppForm.FileExit1Execute(Sender: TObject);
begin
Close;
end;
procedure TSDIAppForm.HelpAbout1Execute(Sender: TObject);
begin
AboutBox.ShowModal;
end;
end.
|
Форма на которой расположен Label, Caption которого нужно изменить:| Код |
unit fmForm1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
private
public
end;
var
Form1: TForm1;
implementation
uses fmForm2;
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
f2:TForm2;
begin
f2 := TForm2.Create(Self);
f2.ShowModal;
end;
end.
|
Форма из которой нужно изменить Caption:
| Код |
unit fmForm2;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm2 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
uses fmForm1;
{$R *.dfm}
procedure TForm2.Button1Click(Sender: TObject);
begin
form1.Label1.Caption := 'asdasd';
end;
end.
|
При нажатии на TForm2.Button1 ошибка - Access violationat adress... |
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