控件拖动问题 在窗体上的有些控件(如Groupbox)有拖动属性,如何设置这些属性可以使控件在窗体上可以上下左右移动呢? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 unit Unit1;interfaceuses Windows,Forms, Classes, Controls, StdCtrls;type TForm1 = class(TForm) GroupBox1: TGroupBox; procedure FormDragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean); procedure FormDragDrop(Sender, Source: TObject; X, Y: Integer); procedure FormCreate(Sender: TObject); private public end;var Form1: TForm1;implementation{$R *.DFM}procedure TForm1.FormDragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean);begin Accept := true;end;procedure TForm1.FormDragDrop(Sender, Source: TObject; X, Y: Integer);begin GroupBox1.Left := x; GroupBox1.Top := y;end;procedure TForm1.FormCreate(Sender: TObject);begin Groupbox1.DragMode := dmAutomatic;end;end. 在控件的mousedown事件里: ReleaseCapture; pnlMini.Perform(WM_SYSCOMMAND,$F012,0);即可拖动 请教:DLL WIZARD与RESOURCE DLL WIZARD的区别与应用 一个Delphi跟pdf文件读取的问题 checklistbox 向数据库添加记录 哥哥们,超级菜鸟提问了:如何以2进制读取JPG文件? 在这样的控件代码中如何设控件属性初值? 江湖救急 在线等 天理何在?河北凯华软件公司还我们血汗钱?维护程序员的合法权益! 两个不同的数据库中如何倒入数据?在线等待!! UP给分 每次拨号上去,IP地址是变的,如何获取该IP地址? 请问各位一个关于dbgrid固定列的问题 谁会try呀 怎樣做才讓數據庫應用程序更有效率.
Windows,Forms, Classes, Controls, StdCtrls;type
TForm1 = class(TForm)
GroupBox1: TGroupBox;
procedure FormDragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
procedure FormDragDrop(Sender, Source: TObject; X, Y: Integer);
procedure FormCreate(Sender: TObject);
private
public
end;var
Form1: TForm1;implementation{$R *.DFM}procedure TForm1.FormDragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
begin
Accept := true;
end;procedure TForm1.FormDragDrop(Sender, Source: TObject; X, Y: Integer);
begin
GroupBox1.Left := x;
GroupBox1.Top := y;
end;procedure TForm1.FormCreate(Sender: TObject);
begin
Groupbox1.DragMode := dmAutomatic;
end;end.
ReleaseCapture;
pnlMini.Perform(WM_SYSCOMMAND,$F012,0);即可拖动