以下是一个简单的程序,但是有错误!
哪位有空帮忙看看哪里有问题?代码:
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var
name : PChar ;
l : integer ;
begin
l := GetWindowTextLength(edit1.Handle) + 1 ;
GetMem(name , l) ;
GetWindowTextLength(edit1.Handle , name , l) ; //就是这里
edit2.Text := string(name) ;
FreeMem(name , 0) ;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close ;
end;end.错误提示:too many actual parameters!
哪位有空帮忙看看哪里有问题?代码:
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var
name : PChar ;
l : integer ;
begin
l := GetWindowTextLength(edit1.Handle) + 1 ;
GetMem(name , l) ;
GetWindowTextLength(edit1.Handle , name , l) ; //就是这里
edit2.Text := string(name) ;
FreeMem(name , 0) ;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close ;
end;end.错误提示:too many actual parameters!
解决方案 »
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