unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
procedure formshow(sender:tobject);
procedure formresize(sender:tobject);
procedure formcreate(sender:tobject);
private
{ Private declarations }
public
{ Public declarations }
procedure showsize;
procedure restrictsize(var msg:tmessage);
message wm_getminmaxinfo;
end;var
Form1: TForm1;implementation{$R *.dfm}
procedure tform1.showsize;
begin
label4.Caption:=inttostr(width);
label5.Caption:=inttostr(height);
end;end.
想用label4,5显示窗体的宽度和高度嘛
以上代码按书的的抄的
为什么还出错还有,小弟经常都是遇到这样的问题
书上原原本本的代码经常出错
说什么没定义什么什么的各位能传受一点看书的技巧吗
就是按书的的例子实践哪
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
procedure formshow(sender:tobject);
procedure formresize(sender:tobject);
procedure formcreate(sender:tobject);
private
{ Private declarations }
public
{ Public declarations }
procedure showsize;
procedure restrictsize(var msg:tmessage);
message wm_getminmaxinfo;
end;var
Form1: TForm1;implementation{$R *.dfm}
procedure tform1.showsize;
begin
label4.Caption:=inttostr(width);
label5.Caption:=inttostr(height);
end;end.
想用label4,5显示窗体的宽度和高度嘛
以上代码按书的的抄的
为什么还出错还有,小弟经常都是遇到这样的问题
书上原原本本的代码经常出错
说什么没定义什么什么的各位能传受一点看书的技巧吗
就是按书的的例子实践哪
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
//procedure formshow(sender:tobject);
//procedure formresize(sender:tobject);
//procedure formcreate(sender:tobject);
private
{ Private declarations }
public
{ Public declarations }
procedure showsize;
//procedure restrictsize(var msg:tmessage);
//message wm_getminmaxinfo;
end;var
Form1: TForm1;implementation{$R *.dfm}
procedure tform1.showsize;
begin
label4.Caption:=inttostr(width);
label5.Caption:=inttostr(height);
end;end.
//有些函数你定义了,但是在代码中没有就会出错的,试试上面的代码应该没有问题了