Delphi的窗体编程技巧──用鼠标拖动无标题窗口
?牐犜贠nMouseDown事件中加入
?牐燨ldX:=x;??
?牐燨ldY:=u;??
?牐犜贠nMouseMove事件中加入
?牐燜orm1.Left:=Form1.Left+x-Oldx;??
?牐燜orm1.Top:=Form1.Top+y-Oldy;??
#1?牐犜创肴缦拢?
?牐爑nit Unit1;??
?牐爄nterface
?牐爑ses
?牐燱indows, Messages,SysUtils, Classes,Graphics,Controls,Forms, Dialogs;??
?牐爐ype
?牐燭Form1 = class(TForm)??
?牐爌rocedure FormMouseDown(Sender:TObject;Button:TMouseButton;??
?牐燬hift:TShiftState;X,Y,Integer);?牔?
?牐爌rocedure FormMouseMove(Sender:TObject;Button:TMouseButton;??
?牐燬hift:TShiftState;X,Y,Integer);??
?牐爌rivate
?牐牓? {Private declarations} ??
?牐爌ublic
?牐牓煟鸓rivate declarations} ??
?牐爀nd;??
?牐爒ar
?牐燜orm1:TForm1;??
?牐燨ldX,OldY:integer; //定义全局变量
?牐爄mplementation
?牐牓煟?$R *.DFM}??
?牐爌rocedure TForm1.FormMouseDown(Sender:TObject;Button:TMouseButton;
?牐燬hift:TShiftState;X,Y:Integer);
?牐燽egin
?牐燨ldX:=x;??
?牐燨ldY:=y;??
?牐爀nd;??
?牐爌rocedure TForm1.FormMouseMove(Sender:TObject;Button:TMouseButton??
?牐燬hift:TShiftState;X,
?牐燳:Integer);?牔?
?牐燽egin
?牐爄f ssleft in shift then //按下鼠标左键
?牐燽egin
?牐燜orm1.Left:=Form1.Left+x-Oldx;??
?牐燜orm1.Top:=Form1.Top+y-Oldy;??
?牐爀nd;??
?牐爀nd;??
?牐爀nd.
?牐犠ⅲ阂陨洗朐贒elphi5.0、Win98 SE中测试通过。