unit2.~pas

delphi 动态添加控件（程序运行后添加控件）

unit Unit2;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, StdCtrls;

type
  TForm2 = class(TForm)
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    TabSheet2: TTabSheet;
    OpenDialog1: TOpenDialog;
    GroupBox1: TGroupBox;
    Button1: TButton;
    GroupBox2: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    GroupBox3: TGroupBox;
    Label3: TLabel;
    Label4: TLabel;
    Edit3: TEdit;
    Edit4: TEdit;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

uses Unit1;

{$R *.dfm}

procedure TForm2.Button1Click(Sender: TObject);
var   DBSourcesName,DBSourcesPath:string;
begin
   if OpenDialog1.Execute then
    begin
       DBSourcesName:=Opendialog1.FileName;
       DBSourcesPath:=ExtractFilePath(DBSourcesName);
       form1.ImageSourcesNameEdt:=Opendialog1.FileName;
    end;
{    if DBSourcesNameEdt<>'' then
    begin
      (Sender as TImage).Picture.LoadFromFile(DBSourcesNameEdt) ;
    end;
    }
end;

procedure TForm2.Button2Click(Sender: TObject);
begin
//ImageWidth,ImageHeigh,ImageX,ImageY
  form1.ImageWidth:=edit1.Text ;
  form1.ImageHeigh:=edit2.Text ;
end;

procedure TForm2.Button3Click(Sender: TObject);
begin
//
  form1.ImageX:=edit3.Text ;
  form1.ImageY:=edit4.Text ;
end;

procedure TForm2.FormShow(Sender: TObject);
begin
  edit1.text:= form1.ImageWidth;
  edit2.Text:= form1.ImageHeigh;
  edit3.text:= form1.ImageX;
  edit4.Text:= form1.ImageY;

end;

end.