使用API动态添加删除菜单项

最新推荐文章于 2022-12-08 15:48:20 发布

转载最新推荐文章于 2022-12-08 15:48:20 发布 · 218 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/webcyz/archive/2012/11/13/2767875.html

本文介绍了一个使用API在Delphi中动态添加和删除菜单项的方法。通过创建菜单和弹出菜单，并利用AppendMenu和DeleteMenu函数实现菜单项的动态管理。

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使用API动态添加删除菜单项

unit Unit1;

interface

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

type
TForm1 = class(TForm)
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
private
    { Private declarations }
    hMenu,hPopMenu1,hPopMenu2:HMENU;
public
    { Public declarations }

end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
hMenu:=CreateMenu();
hPopMenu1:=CreateMenu();
hPopMenu2:=CreateMenu();
AppendMenu(hPopMenu1,MF_STRING,40001,'New');
AppendMenu(hPopMenu1,MF_STRING,40002,'Open');
AppendMenu(hPopMenu2,MF_STRING,40005,'About');
AppendMenu(hPopMenu1,MF_POPUP, hPopMenu2, 'Help');
AppendMenu(hMenu,MF_POPUP,hPopMenu1,'&File');
SetMenu(self.Handle,hMenu);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
DeleteMenu(hPopMenu1,2,MF_BYPOSITION);
end;

end.

转载于:https://www.cnblogs.com/webcyz/archive/2012/11/13/2767875.html