unit dy219;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs;type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
private
procedure sysmenu(var msg: twmmenuselect);message wm_syscommand;//此处出错
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.FormCreate(Sender: TObject);
var
i: integer;
begin
i := getsystemmenu(handle,false);
appendmenu(i,mf_separator,0,nil);
appendmenu(i,mf_string,100,'我的菜单(&E)');end;procedure TForm1.sysmenu(var msg: twmmenuselect);
begin
if msg.IDItem = 100 then
showmessage('您选择了自己添加的菜单!')
else
inherited;
end;end.
//错误提示:[Error] Unit1.pas(25): Undeclared identifier: 'twmenuselect' 请大家看看在哪错了,sysmenu已声明的!
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs;type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
private
procedure sysmenu(var msg: twmmenuselect);message wm_syscommand;//此处出错
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.FormCreate(Sender: TObject);
var
i: integer;
begin
i := getsystemmenu(handle,false);
appendmenu(i,mf_separator,0,nil);
appendmenu(i,mf_string,100,'我的菜单(&E)');end;procedure TForm1.sysmenu(var msg: twmmenuselect);
begin
if msg.IDItem = 100 then
showmessage('您选择了自己添加的菜单!')
else
inherited;
end;end.
//错误提示:[Error] Unit1.pas(25): Undeclared identifier: 'twmenuselect' 请大家看看在哪错了,sysmenu已声明的!
:[Error] Unit1.pas(25): Undeclared identifier: 'twmenuselect'在DelPhi7下运行
[Error] Unit1.pas(25): Unknown directive: 'message'sysmenu这个事件在设计事件列表里面没有,是自己增加的
错误提示的很明白twmenuselect是没有定义的,应该是TWMMenuSelect,少个‘m’
你写错了,你程序里肯定写错了,你在好好看看吧
private
procedure sysmenu(var msg: twmmenuselect);message wm_syscommand;//此处出错
private要写在下面,我刚试过了,没问题,