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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Memo1: TMemo;
procedure Memo1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure Memo1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure Memo1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
private
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;
var
Form1: TForm1;
XM:Integer;
mouseisdown:boolean=falsE;
implementation
{$R *.dfm}
procedure TForm1.Memo1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if (x>memo1.Width-10)and (x<=memo1.Width) then
begin
XM:=x;
mouseisdown:=true;
end;
end;
procedure TForm1.Memo1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
if mouseisdown then
memo1.Width:=memo1.Width-(xm-x);
xm:=x;
end;
procedure TForm1.Memo1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
Mouseisdown:=false;
end;
end. |