pluginsfrm.pas

《delphi深度编程及其项目开发》

unit pluginsfrm;

interface

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

type
  TfrmPlugins = class(TForm)
    Label1: TLabel;
  private
    { Private declarations }
  public
    { Public declarations }
  end;
//定义ShowDLLForm,用于打开本窗体
function ShowDLLForm(AHandle: THandle; ACaption: string): Boolean; Stdcall;

//输出标题
function GetCaption: Pchar; stdcall;

implementation

{$R *.dfm}

//输出标题
function GetCaption: Pchar; stdcall;
begin
  Result := '插件演示NO1';
end;

//打开本窗体
function ShowDLLForm(AHandle: THandle; ACaption: string): Boolean;
var
  DLL_Form: TfrmPlugins;
begin
  result := true;
  try
    application.Handle := AHandle; //传递应用程序地址
    DLL_Form := TFrmPlugins.Create(Application);//创建窗体
    try
      DLL_Form.caption := Acaption;//给窗体标题赋值
      DLL_Form.ShowModal;  //模式显示窗体
    finally
      DLL_Form.Free;
    end;
  except
    result := false;
  end;
end;
end.