type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure CreateParams(var Params:TCreateParams);override;
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.CreateParams(var Params:TCreateParams);
begin
inherited CreateParams(params);
params.ExStyle:=params.ExStyle or WS_EX_TRANSPARENT;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
inherited;
canvas.Brush.Style:=bsClear;
end;