我做了一个不规则的窗体,但是发现在移动的时候外面还是带了一个窗体原来的方框,有什么方法能把那个方框去掉吗?
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Edit1: TEdit;
Edit2: TEdit;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure FormShow(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
MPos:TPoint;
implementationuses Unit2;{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
var
region: HRgn;
begin
region:=CreateEllipticRgn(1,1,300,300); SetWindowRgn(handle,region, true);end;procedure TForm1.Button1Click(Sender: TObject);
var
r:HRGN;
begin
r:=CreateEllipticRgn(0,0,300,300);
SetWindowRgn(handle,r,true);
DeleteObject(r);
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
mpos.X:=x;
mpos.Y:=y;
end;procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
if ssLeft in Shift then
begin
Form1.Left := Form1.Left - (MPos.X-X);
Form1.Top := Form1.Top - (MPos.Y-Y);
end;
end;
end.