unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,ShellAPI,
StdCtrls, ExtCtrls;
const
WM_TRAYNOTIFY = WM_USER+100; //任务区小图标自定义消息
type
TForm1 = class(TForm)
Button1: TButton;
Shape1: TShape;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
procedure TrayNotifyMessage(var Sender: TMessage); message WM_TRAYNOTIFY;
procedure MarkTaskBarIcon(Sender: TObject);
public
{ Public declarations }
end;
var
Form1: TForm1;
tnd : TNOTIFYICONDATA;
implementation
{$R *.DFM}
procedure TForm1.MarkTaskBarIcon(Sender: TObject);
begin
Form1.Visible := False;
tnd.cbSize := sizeof(tnd);
tnd.Wnd := Handle;
tnd.uID := 128;
tnd.uFlags := NIF_MESSAGE or NIF_ICON or NIF_TIP;
tnd.uCallbackMessage := WM_TRAYNOTIFY;
tnd.hIcon := Application.Icon.Handle;
StrPCopy(tnd.szTip,Application.Title);
Shell_NotifyIcon(NIM_ADD,@tnd);
end;
procedure TForm1.TrayNotifyMessage(var Sender: TMessage);
begin
if Sender.LParam = WM_LBUTTONDBLCLK then
begin
Shell_NotifyIcon(NIM_DELETE,@tnd);
Form1.Visible := True;
Application.Restore;
Application.BringToFront;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Application.OnMinimize := MarkTaskBarIcon;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
IconSizeX : integer;
IconSizeY : integer;
AndMask : TBitmap;
XOrMask : TBitmap;
IconInfo : TIconInfo;
Icon : TIcon;
begin
{Get the icon size}
IconSizeX := GetSystemMetrics(SM_CXICON);
IconSizeY := GetSystemMetrics(SM_CYICON);
{Create the "And" mask}
AndMask := TBitmap.Create;
AndMask.Monochrome := true;
AndMask.Width := IconSizeX;
AndMask.Height := IconSizeY;
{Draw on the "And" mask}
AndMask.Canvas.Brush.Color := clWhite;
AndMask.Canvas.FillRect(Rect(0, 0, IconSizeX, IconSizeY));
AndMask.Canvas.Brush.Color := clBlack;
AndMask.Canvas.Ellipse(4, 4, IconSizeX - 4, IconSizeY - 4);
{Draw as a test}
Form1.Canvas.Draw(IconSizeX * 2, IconSizeY, AndMask);
{Create the "XOr" mask}
XOrMask := TBitmap.Create;
XOrMask.Width := IconSizeX;
XOrMask.Height := IconSizeY;
{Draw on the "XOr" mask}
XOrMask.Canvas.Brush.Color := ClBlack;
XOrMask.Canvas.FillRect(Rect(0, 0, IconSizeX, IconSizeY));
XOrMask.Canvas.Pen.Color := clRed;
XOrMask.Canvas.Brush.Color := clRed;
XOrMask.Canvas.Ellipse(4, 4, IconSizeX - 4, IconSizeY - 4);
XorMask.Canvas.CopyRect(Rect(0, 0, Width, Height), Canvas, Rect(0, 0, Width, Height));
{Draw as a test}
Form1.Canvas.Draw(IconSizeX * 4, IconSizeY, XOrMask);
{Create a icon}
Icon := TIcon.Create;
IconInfo.fIcon := true;
IconInfo.xHotspot := 0;
IconInfo.yHotspot := 0;
IconInfo.hbmMask := AndMask.Handle;
IconInfo.hbmColor := XOrMask.Handle;
Icon.Handle := CreateIconIndirect(IconInfo);
{Destroy the temporary bitmaps}
AndMask.Free;
XOrMask.Free;
{Draw as a test}
Form1.Canvas.Draw(IconSizeX * 6, IconSizeY, Icon);
{Assign the application icon}
Application.Icon := Icon;
{Force a repaint}
InvalidateRect(Application.Handle, nil, true);
{Free the icon}
Icon.Free;
end;
end.