delphi动态创建一个IPEdit控件

本文整理自网络，侵删。

 
unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, CommCtrl, StdCtrls;
type
  TIpEdit = class(TEdit)
    procedure CreateParams(var Params: TCreateParams); override;
  end;

  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    IpEdit: TIpEdit;
    { Private declarations }
  public
    { Public declarations }
  end;
var
  Form1: TForm1;
implementation
{$R *.dfm}
procedure TIpEdit.CreateParams(var Params: TCreateParams);
begin
  inherited CreateParams(Params);
  InitCommonControl(ICC_INTERNET_CLASSES);
  CreateSubClass(Params, WC_IPADDRESS);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
  IpEdit := TIpEdit.Create(self);
  IpEdit.Parent := Self;
  IpEdit.SetBounds(10,10,121,22);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
  edit1.Text := IpEdit.Text;
end;
end.
 
 
 
 
 
uses
  ComCtrls, CommCtrl;

  TIpEdit = class(TEdit)
    procedure CreateParams(var Params: TCreateParams); override;
  end;

{ TIpEdit }

procedure TIpEdit.CreateParams(var Params: TCreateParams);
begin
  inherited CreateParams(Params);
  InitCommonControl(ICC_INTERNET_CLASSES);
  CreateSubClass(Params, WC_IPADDRESS);
end;
http://hi.baidu.com/lzj1981/blog/item/7835f5eddf0843c2b21cb171.html
 

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