📄 howto_trayicon.htm
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ShowAboutPopupMenu;
End;
Else Result := DefWindowProc(Window,Msg,WParam,LParam);
End;
End;</span></pre> </ul> <p><span style=font-family: 宋体font-size: 9pt>¡¡</span></p> <p><span style=font-family: 宋体font-size: 9pt> ¾ÍÏóÄã¿´µ½µÄÒ»Ñù£¬µ±Óû§µ¥»÷ͼ±êʱ£¬WindowsÌáʾÎÒÃÇ¡£×¢ÒâÎÒÃDz»Ê¹ÓÃͨ³£Ê¹ÓõÄwm_LButtonDown ÏûÏ¢£¬¶øʹÓÃwm_MyCallback message£¬ÏêϸµÄÏûÏ¢ÐÅÏ¢´æ´¢ÔÚLParam²ÎÊýÖС£ </span></p> <p><span style=font-family: 宋体font-size: 9pt> µ±Óû§µ¥»÷Êó±êÓÒ¼ü£¬ÎÒÃÇ´´½¨Ò»¸ö²Ëµ¥ÔÚ×ÀÃæÉÏ¡£ </span><ul> <pre><span style=font-family: 宋体font-size: 9pt>Type
TIconData = Array[1..100] of String;
Var
IconData : TIconData;
Procedure ShowIconPopupMenu;
Var
ShellFolder : IShellFolder;
EnumIDList : IEnumIDList;
Result : hResult;
Dummy : ULong;
ItemIDList : TItemIDList;
Pntr : PItemIDList;
StrRet : TStrRet;
PopupMenu : hMenu;
ItemID : Integer;
Pos : TPoint;
Procedure AddToMenu(Item : String);
Var S : String;
Begin
IconData[ItemID-cm_About] := Item;
S := ExtractFileName(Item);
If (System.Pos('.',S) <> 0) Then SetLength(S,System.Pos('.',S)-1);
AppendMenu(PopupMenu,mf_Enabled Or mf_String,ItemID,PChar(S));
Inc(ItemID);
End;
begin
PopupMenu := CreatePopupMenu;
ItemID := cm_About+1;
SHGetDesktopFolder(ShellFolder);
ShellFolder.EnumObjects(MainWindow,SHCONTF_NONFOLDERS,EnumIDList);
Pntr := @ItemIDList;
Result := EnumIDList.Next(1,Pntr,Dummy);
While (Result = NoError) do Begin
ShellFolder.GetDisplayNameOf(Pntr,SHGDN_FORPARSING,@StrRet);
With StrRet do AddToMenu(String(CStr));
Result := EnumIDList.Next(1,Pntr,Dummy);
End;
EnumIDList.Release;
ShellFolder.Release;
GetCursorPos(Pos);
AppendMenu(PopupMenu,mf_Separator,0,'');
AppendMenu(PopupMenu,mf_Enabled Or mf_String,cm_Exit,'E&xit');
SetForegroundWindow(MainWindow);
TrackPopupMenu(PopupMenu,tpm_LeftAlign Or tpm_LeftButton,
Pos.X,Pos.Y,0,MainWindow,nil);
DestroyMenu(PopupMenu);
end;</span></pre> </ul> <p><span style=font-family: 宋体font-size: 9pt>¡¡</span></p> <p><span style=font-family: 宋体font-size: 9pt> ÉÏÃæµÄ³ÌÐò¿´ÆðÀ´Óе㸴ÔÓ£¬Äã¿ÉÒÔ½«Ëü·Ö³ÉÁ½¸ö²¿·ÖÀ´¿´£º´´½¨ºÍÏÔʾ²Ëµ¥¡£ </span></p> <p><span style=font-family: 宋体font-size: 9pt> Áоٴ´½¨²Ëµ¥ÊÇÓÃWindowsµÄÍâ¿Ç½Ó¿ÚÍê³ÉµÄ¡£Ê×ÏÈ£¬ÎÒÃÇʹÓÃSHGetDesktopForlderº¯ÊýµÃµ½Ê¹ÓÃ×ÀÃæµÄIShellFolder½Ó¿Ú¡£Ê¹ÓÃÕâ¸ö½Ó¿Ú£¬ÎÒÃÇÄܵõ½ÁíÒ»¸ö½Ó¿ÚµÄʵÀý£ºIEnumIDList¡£Õâ¸ö½Ó¿Úͨ³£ÊµÏÖʵ¼ÊµÄÁоٹ¤×÷¡£ÎÒÃǼòµ¥µÄÖظ´µ÷ÓÃÕâ¸öº¯ÊýÖ±µ½´íÎóÖµ·µ»Ø(ÀýÈ磺ËùÓеIJ˵¥±»ÁоÙ)¡£µ±ÎÒÃǵõ½Ò»¸ö²Ëµ¥£¬ÎÒÃÇʹÓÃAddToMenuº¯Êý¼ÓËü¡£ </span></p> <p><span style=font-family: 宋体font-size: 9pt> µ±ËùÓеIJ˵¥±»Áоٺʹ´½¨ºó£¬ÏÖÔÚÎÒÃÇÐèÒªÔËÐÐÕâ¸ö²Ëµ¥¡£ÎÒÃǽ«ÕÒµ½µÄ²Ëµ¥±£´æµ½Ò»¸öÈ«¾ÖµÄList±äÁ¿ÖУ¬Ã¿Ò»¸ö²Ëµ¥¶¼ÓµÓÐËüµÄ²Ëµ¥ºÅ¡£ÕâÈ·±£ÎÒÃÇÄܵõ½ËüµÄË÷Òý¡£ <br> <br> OpenDesktopIcon(WParam-cm_About) </span></p> <p><span style=font-family: 宋体font-size: 9pt>µ±È»£¬WParamÖд¢´æÁËÓû§µ¥»÷Êó±êµÄ²Ëµ¥µÄ²Ëµ¥ºÅ(ID)¡£ </span></p> <p><span style=font-family: 宋体font-size: 9pt> ÏÂÃæÎÒÃǽ«´¦ÀíÔËÐÐÓû§Ñ¡ÔñµÄ²Ëµ¥¡£ </span><ul> <pre><span style=font-family: 宋体font-size: 9pt>Procedure OpenDesktopIcon(Number : Integer);
Var
S : String;
I : Integer;
begin
S := IconData[Number];
I := ShellExecute(0,nil,PChar(S),nil,nil,sw_ShowNormal);
If (I < 32) Then Begin
S := 'Could not open selected item "'+S+'". '+
'Result was: '+IntToStr(I)+'.';
MessageBox(0,PChar(S),'Shell Test',mb_OK);
End;
end;</span></pre> </ul>
<p><span style=font-family: 宋体font-size: 9pt>ÉÏÃ棬Win 32
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<p><span style=font-family: 宋体font-size: 9pt>ÏÖÔÚÄãÓ¦¸ÃÄÜÓÃDelphi´´½¨¼òµ¥µÄÈÎÎñÀ¸µÄ³ÌÐòÁË¡£ <br> </span></p> </li></ul><ul> <li><span style=font-family: 宋体font-size: 9pt>°æÖ÷£ºÁºÃ÷<br> ÈÕÆÚ£º99-07-28<br> E-mail£º<a href=mailto:delphifan@990.net>delphifan@990.net</a></span></li></ul><hr></body></html>⌨️ 快捷键说明
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