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delphi Ñ¡ÔñÎļþ¼Ð


function BrowseCallbackProc(Wnd: HWND; uMsg: UINT; lParam, lpData: LPARAM): Integer; stdcall;
begin
if uMsg = BFFM_INITIALIZED then
begin
SendMessage(Wnd, BFFM_SETSELECTION, 1, lpData);
SetWindowText(Wnd, 'Ñ¡ÔñÒ»¸öÄ¿±ê');
end;
Result := 0;
end;
//hdl: ´°¿Ú¾ä±ú
//Root: ¸ùĿ¼
//InitDir: ³õʼ»¯Â·¾¶
//Hint: ¶Ô»°¿òÌáʾÓï¾ä
function fBrowseFolder(hdl:THandle; const Root: String; const InitDir: string;
Hint: string = 'ÇëÑ¡ÔñÎļþ¼Ð'): string;
var
Info:TBrowseInfo;
Dir:array[0..260] of char;
ItemId, RootItemIDList:PItemIDList;
Eaten, Attribute: Cardinal;
ID: IShellFolder;
begin
FillChar(Info, SizeOf(TBrowseInfo), #0);
with Info do
begin
hwndOwner := hdl;
SHGetDesktopFolder(ID);
ID.ParseDisplayName(hdl, nil, POleStr(WideString(Root)), Eaten, RootItemIDList, Attribute);
pidlRoot := RootItemIDList;
pszDisplayName := nil;
lpszTitle:= PChar(Hint);
ulFlags:=BIF_RETURNONLYFSDIRS + BIF_NEWDIALOGSTYLE; //Èç²»ÐèҪн¨°´Å¥£¬Ò²¿É²»¼ÓBIF_NEWDIALOGSTYLE
lpfn := BrowseCallbackProc;
lParam := Integer(PChar(InitDir));
iImage := 0;
end;
ItemId := SHBrowseForFolder(Info);
if ItemId<>nil then
begin
SHGetPathfromIDList(ItemId,@Dir);
GlobalFreePtr(ItemId);
Result:=string(Dir);
end
else
Result:='';
end;


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//¼Óһϰ´Å¥£¬¼ÓÒ»¸ö¶Ô»°¿ò¾ÍOKÀ²
procedure TForm1.Button1Click(Sender: TObject);
var
S: String;
begin
if OpenDialog1.Execute then
begin
s := OpenDialog1.FileName;
WinExec( PChar(s), SW_NORMAL);
end;
end;

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Delphi µÄ Dll º¯ÊýµÄ µ÷ÓÃ


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library mydll;
 
uses
base in 'base.pas';
 
exports
Triple name 'Tr';
 
{$R *.res}
 
begin
end.
 
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unit base;
 
interface
 
uses windows;
 
function Triple(N:integer):integer;stdcall;
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