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delphi托盘效果实例

2019-03-02 11:09:09浏览:931 来源:山村网   
核心摘要:  unit Unit1;  interface  uses  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls,Forms,  Dia

  unit Unit1;

  interface

  uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, ShellAPI, AppEvnts, StdCtrls, Menus;

  const WM_NID = WM_User + 1000;

  type

  TForm1 = class(TForm)

  PopupMenu1: TPopupMenu;

  N1: TMenuItem;

  N2: TMenuItem;

  Label1: TLabel;

  pm1: TPopupMenu;

  mniN3: TMenuItem;

  mniN4: TMenuItem;

  procedure FormDestroy(Sender: TObject);

  procedure N1Click(Sender: TObject);

  procedure N2Click(Sender: TObject);

  procedure FormCreate(Sender: TObject);

  procedure FormClose(Sender: TObject; var Action: TCloseAction);

  procedure mniN3Click(Sender: TObject);

  procedure mniN4Click(Sender: TObject);

  private

  { Private declarations }

  procedure SysCommand(var SysMsg: TMessage); message WM_SYSCOMMAND;

  procedure WMNID(var msg:TMessage); message WM_NID;

  public

  { Public declarations }

  end;

  var

  Form1: TForm1;

  NotifyIcon: TNotifyIconData;

  implementation

  {$R *.dfm}

  { TForm1 }

  procedure TForm1.SysCommand(var SysMsg: TMessage);

  begin

  case SysMsg.WParam of

  SC_MINIMIZE: // 当最小化时

  begin

  SetWindowPos(Application.Handle, HWND_NOTOPMOST, 0, 0, 0, 0,

  SWP_HIDEWINDOW);

  Hide; // 在任务栏隐藏程序

  // 在托盘区显示图标

  with NotifyIcon do

  begin

  cbSize := SizeOf(TNotifyIconData);

  Wnd := Handle;

  uID := 1;

  uFlags := NIF_ICON or NIF_MESSAGE or NIF_TIP;

  uCallBackMessage := WM_NID;

  hIcon := Application.Icon.Handle;

  szTip := '托盘程序';

  end;

  Shell_NotifyIcon(NIM_ADD, @NotifyIcon); // 在托盘区显示图标

  end;

  else

  inherited;

  end;

  end;

  procedure TForm1.WMNID(var msg: TMessage);

  var

  mousepos: TPoint;

  begin

  GetCursorPos(mousepos); //获取鼠标位置

  case msg.LParam of

  WM_LBUTTONUP: // 在托盘区点击左键后

  begin

  Form1.Visible := not Form1.Visible; // 显示主窗体与否

  Shell_NotifyIcon(NIM_DELETE, @NotifyIcon); // 显示主窗体后删除托盘区的图标

  SetWindowPos(Application.Handle, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW); //

  在任务栏显示程序

  end;

  WM_RBUTTONUP: PopupMenu1.Popup(mousepos.X, mousepos.Y); // 弹出菜单

  end;

  end;

  procedure TForm1.FormDestroy(Sender: TObject);

  begin

  Shell_NotifyIcon(NIM_DELETE, @NotifyIcon); // 删除托盘图标

  end;

  procedure TForm1.N1Click(Sender: TObject);

  begin

  Form1.Close;

  end;

  procedure TForm1.N2Click(Sender: TObject);

  begin

  Form1.Visible := true; // 显示窗体

  SetWindowPos(Application.Handle, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW);

  Shell_NotifyIcon(NIM_DELETE, @NotifyIcon); // 删除托盘图标

  end;

  procedure TForm1.FormCreate(Sender: TObject);

  begin

  AnimateWindow(Handle,1000,AW_CENTER);//窗口由小变大

  end;

  procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);

  begin

  AnimateWindow (Handle, 400, AW_HIDE or AW_BLEND);//窗口渐渐消失

  end;

  procedure TForm1.mniN3Click(Sender: TObject);

  begin

  Form1.Close;

  end;

  procedure TForm1.mniN4Click(Sender: TObject);

  begin

  shellexecute(handle,'open','http://www.aheasy.cn',nil,nil,SW_show);

  end;

  end.

(责任编辑:豆豆)
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