猜测:
constructor TMoveMemo.Create(AOwner:TComponent);
begin
inherited Create(AOwner);
fStep:=50;
fStay:=3000;
fWait:=5000;
fBgColor:=clBlack;
fStayTimer:=Nil;
fTimer:=Nil;
fActive:=False;
fTimerTag:=False;
Drawing:=False;
OffScreen:=TBitMap.Create;
//下面两行去掉或是放到CreateWnd中
[blue] Width:=200;
Height:=200;[/blue]
//////////////////////////////
Memo:=TRxRichEdit.Create(Self);
Memo.Parent:=Self;
Memo.BorderStyle:=bsNone;
Memo.ScrollBars:=ssNone;
Memo.Color:=fBgColor;
Memo.Visible:=False;
Memo.Align:=alClient;
end;