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| unit ansicht;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Label1: TLabel;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Verschieben(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure VerschiebenLinie(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
private
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;
var
Form1: TForm1;
Edits : ARRAY OF TEdit;
Lists : ARRAY OF TListBox;
GBox : ARRAY OF TGroupBox;
i,k : integer;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
i:=0;
k:= 50;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
SetLength(GBox, Length(GBox)+1);
GBox[i]:=TGroupBox.Create(self);
with gbox[i] do
begin
Parent := Form1;
Name := 'GB'+inttostr(i+1);
Left := k;
top := 20;
height := 150;
width := 100;
Caption := '';
OnMouseDown := Verschieben;
OnMouseMove := VerschiebenLinie;
end;
SetLength(Edits, Length(Edits)+1);
Edits[i]:=TEdit.Create(self);
with Edits[i] do
begin
Parent := gbox[i];
Name := 'EDT'+inttostr(i+1);
Left := 5;
top := 10;
height := 20;
width := 90;
end;
SetLength(Lists, Length(Lists)+1);
Lists[i]:=TListBox.Create(self);
with Lists[i] do
begin
Parent := gbox[i];
Name := 'LBox'+inttostr(i+1);
Left := 5;
top := 35;
height := 105;
width := 90;
end;
i:=i+1;
k:=k+110;
end;
procedure TForm1.Verschieben(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
const sc_dragmove = $f012;
begin
ReleaseCapture;
TWinControl(Sender).perform(wm_syscommand,sc_dragmove, 0);
label1.Caption := Sender.ClassName ;
end;
procedure TForm1.VerschiebenLinie(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
var x1,y1,x2,y2 : integer;
begin
x1:= ????
x2:= ????
y2:= label1.Top;
x2:= label1.Left;
form1.Canvas.MoveTo(x1,y1);
form1.Canvas.LineTo(x1+10,y1);
form1.Canvas.LineTo(x2-10,y2);
form1.Canvas.LineTo(x2,y2);
form1.Repaint;
end;
end. |
