public static HRESULT SHResolveFolderPathInLibrary(IShellLibrary *plib, [NativeTypeName("PCWSTR")] ushort *pszFolderPath, [NativeTypeName("DWORD")] uint dwTimeout, [NativeTypeName("PWSTR *")] ushort **ppszResolvedPath)
{
* ppszResolvedPath = null;
ITEMIDLIST *pidlFolder = SHSimpleIDListFromPath(pszFolderPath);
HRESULT hr = unchecked ((pidlFolder) != null ? ((int)(0)) : ((int)(0x80070057)));
if (((unchecked ((int)(hr))) >= 0))
{
IShellItem *psiFolder;
hr = SHCreateItemFromIDList(pidlFolder, __uuidof <IShellItem>(), (void **)(&psiFolder));
if (((unchecked ((int)(hr))) >= 0))
{
IShellItem *psiResolved;
hr = plib->ResolveFolder(psiFolder, dwTimeout, __uuidof <IShellItem>(), (void **)(&psiResolved));
if (((unchecked ((int)(hr))) >= 0))
{
unchecked (hr) = psiResolved->GetDisplayName(SIGDN_DESKTOPABSOLUTEPARSING, ppszResolvedPath);
_ = psiResolved->Release();
}
_ = psiFolder->Release();
}
CoTaskMemFree(pidlFolder);
}
return(hr);
}
public static unsafe string SHGetPathFromIDList(ITEMIDLIST *pidl)
{
char *pszPath = stackalloc char[Kernel32.MAX_PATH + 1];
if (!SHGetPathFromIDList(pidl, pszPath))
{
throw new ArgumentException();
}
return(new string(pszPath));
}
public static HRESULT SHRemoveFolderPathFromLibrary(IShellLibrary *plib, [NativeTypeName("PCWSTR")] ushort *pszFolderPath)
{
ITEMIDLIST *pidlFolder = SHSimpleIDListFromPath(pszFolderPath);
HRESULT hr = unchecked ((pidlFolder) != null ? ((int)(0)) : ((int)(0x80070057)));
if (((unchecked ((int)(hr))) >= 0))
{
IShellItem *psiFolder;
unchecked (hr) = SHCreateItemFromIDList(pidlFolder, __uuidof <IShellItem>(), (void **)(&psiFolder));
if (((unchecked ((int)(hr))) >= 0))
{
unchecked (hr) = plib->RemoveFolder(psiFolder);
_ = psiFolder->Release();
}
CoTaskMemFree(pidlFolder);
}
return(hr);
}
public HRESULT Initialize([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlTarget, uint uDisplayType, [NativeTypeName("LPCWSTR")] ushort *pszResName, [NativeTypeName("LPCWSTR")] ushort *pszProvider)
{
return(((delegate * unmanaged <IInitializeNetworkFolder *, ITEMIDLIST *, ITEMIDLIST *, uint, ushort *, ushort *, int>)(lpVtbl[3]))((IInitializeNetworkFolder *)Unsafe.AsPointer(ref this), pidl, pidlTarget, uDisplayType, pszResName, pszProvider));
}
public HRESULT SetShellFolder(IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlFolder, HKEY hKey, [NativeTypeName("DWORD")] uint dwFlags)
{
return(((delegate * unmanaged <IShellMenu *, IShellFolder *, ITEMIDLIST *, HKEY, uint, int>)(lpVtbl[5]))((IShellMenu *)Unsafe.AsPointer(ref this), psf, pidlFolder, hKey, dwFlags));
}
public HRESULT GetEnumFlags(IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlFolder, HWND *phwnd, [NativeTypeName("DWORD *")] uint *pgrfFlags)
{
return(((delegate * unmanaged <IFolderFilter *, IShellFolder *, ITEMIDLIST *, HWND *, uint *, int>)(lpVtbl[4]))((IFolderFilter *)Unsafe.AsPointer(ref this), psf, pidlFolder, phwnd, pgrfFlags));
}
public static extern unsafe bool SHGetPathFromIDList(
ITEMIDLIST *pidl,
[Friendly(FriendlyFlags.Array)] char *pszPath);
public static extern unsafe HResult SHGetFolderLocation(
IntPtr hwndOwner,
CSIDL nFolder,
IntPtr hToken,
int dwReserved,
out ITEMIDLIST *pidl);
public HRESULT BindToStorage([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, IBindCtx *pbc, [NativeTypeName("const IID &")] Guid *riid, void **ppv)
{
return(((delegate * unmanaged <IShellFolder2 *, ITEMIDLIST *, IBindCtx *, Guid *, void **, int>)(lpVtbl[6]))((IShellFolder2 *)Unsafe.AsPointer(ref this), pidl, pbc, riid, ppv));
}
public HRESULT GetDetailsEx([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, [NativeTypeName("const SHCOLUMNID *")] PROPERTYKEY *pscid, VARIANT *pv)
{
return(((delegate * unmanaged <IShellFolder2 *, ITEMIDLIST *, PROPERTYKEY *, VARIANT *, int>)(lpVtbl[17]))((IShellFolder2 *)Unsafe.AsPointer(ref this), pidl, pscid, pv));
}
public HRESULT InitializeSFB(IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <IShellFolderBand *, IShellFolder *, ITEMIDLIST *, int>)(lpVtbl[3]))((IShellFolderBand *)Unsafe.AsPointer(ref this), psf, pidl));
}
public HRESULT GetIconOf([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, uint flags, int *pIconIndex)
{
return(((delegate * unmanaged <IShellIcon *, ITEMIDLIST *, uint, int *, int>)(lpVtbl[3]))((IShellIcon *)Unsafe.AsPointer(ref this), pidl, flags, pIconIndex));
}
public HRESULT LeaveFolder(IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <INamespaceWalkCB2 *, IShellFolder *, ITEMIDLIST *, int>)(lpVtbl[5]))((INamespaceWalkCB2 *)Unsafe.AsPointer(ref this), psf, pidl));
}
public HRESULT RemoveIDList([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <IResultsFolder *, ITEMIDLIST *, int>)(lpVtbl[6]))((IResultsFolder *)Unsafe.AsPointer(ref this), pidl));
}
public HRESULT AddIDList([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, [NativeTypeName("LPITEMIDLIST *")] ITEMIDLIST **ppidlAdded)
{
return(((delegate * unmanaged <IResultsFolder *, ITEMIDLIST *, ITEMIDLIST **, int>)(lpVtbl[4]))((IResultsFolder *)Unsafe.AsPointer(ref this), pidl, ppidlAdded));
}
public HRESULT IncludeObject(IShellView *ppshv, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <ICommDlgBrowser *, IShellView *, ITEMIDLIST *, int>)(lpVtbl[5]))((ICommDlgBrowser *)Unsafe.AsPointer(ref this), ppshv, pidl));
}
public HRESULT SetParentAndItem([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlParent, IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlChild)
{
return(((delegate * unmanaged <IParentAndItem *, ITEMIDLIST *, IShellFolder *, ITEMIDLIST *, int>)(lpVtbl[3]))((IParentAndItem *)Unsafe.AsPointer(ref this), pidlParent, psf, pidlChild));
}
public HRESULT GetDisplayNameOf([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, [NativeTypeName("SHGDNF")] uint uFlags, STRRET *pName)
{
return(((delegate * unmanaged <IShellFolder2 *, ITEMIDLIST *, uint, STRRET *, int>)(lpVtbl[11]))((IShellFolder2 *)Unsafe.AsPointer(ref this), pidl, uFlags, pName));
}
public HRESULT SetNameOf(HWND hwnd, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, [NativeTypeName("LPCWSTR")] ushort *pszName, [NativeTypeName("SHGDNF")] uint uFlags, [NativeTypeName("LPITEMIDLIST *")] ITEMIDLIST **ppidlOut)
{
return(((delegate * unmanaged <IShellFolder2 *, HWND, ITEMIDLIST *, ushort *, uint, ITEMIDLIST **, int>)(lpVtbl[12]))((IShellFolder2 *)Unsafe.AsPointer(ref this), hwnd, pidl, pszName, uFlags, ppidlOut));
}
private unsafe Result ShowDialog(HWND owner)
{
SelectedPath = "";
if (new FileOpenDialogInternal() is not IFileOpenDialog dialog)
{
throw new NullReferenceException(nameof(dialog));
}
try
{
dialog.SetOptions((uint)(_FILEOPENDIALOGOPTIONS.FOS_PICKFOLDERS | _FILEOPENDIALOGOPTIONS.FOS_FORCEFILESYSTEM));
dialog.SetTitle(Title);
if (Directory.Exists(InitializedPath))
{
uint attributes = 0;
ITEMIDLIST itemIdList;
ITEMIDLIST *pItemIdList = &itemIdList;
if (PInvoke.SHILCreateFromPath(InitializedPath, out pItemIdList, &attributes).Succeeded)
{
if (PInvoke.SHCreateShellItem(default(ITEMIDLIST), default, *pItemIdList, out IShellItem item0).Succeeded)
{
dialog.SetFolder(item0);
}
// ◆以下の必要性を確認する → 必要なさそう。ITEMIDLIST (struct) の唯一のメンバの SHITEMID も struct (on stack) なので解放いらんはず。
//if (itemIdList != IntPtr.Zero) Marshal.FreeCoTaskMem(idl);
}
}
#if false
// ◆本来はこちらの実装が正しいと思うけど、CsWin32 の IFileOpenDialog.Show が
// HRESULT を返さないので(void戻り値なので)、しゃーなしで else側 の実装にした。
var hr = dialog.Show(owner);
if (hr == Constants.ERROR_CANCELLED)
{
return(Result.Cancel);
}
if (hr != new HRESULT(0))
{
return(Result.Abort);
}
#else
try
{
// フォルダ選択ダイアログでキャンセルボタンを押すと COMException が発生する
dialog.Show(owner);
}
catch (COMException) { return(Result.Cancel); }
#endif
dialog.GetResult(out IShellItem item);
if (item is null)
{
return(Result.Abort);
}
item.GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out PWSTR selectedPath);
SelectedPath = selectedPath.ToString();
return(Result.OK);
}
finally
{
// ◆以下の必要性を確認する → これはCsWin32 と関係なく必要。
Marshal.FinalReleaseComObject(dialog);
}
}
public HRESULT GetDetailsOf([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, uint iColumn, SHELLDETAILS *psd)
{
return(((delegate * unmanaged <IShellFolder2 *, ITEMIDLIST *, uint, SHELLDETAILS *, int>)(lpVtbl[18]))((IShellFolder2 *)Unsafe.AsPointer(ref this), pidl, iColumn, psd));
}
public HRESULT SelectAndEditItem([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlItem, [NativeTypeName("NMCSAEI_FLAGS")] int flags)
{
return(((delegate * unmanaged <INewMenuClient *, ITEMIDLIST *, int, int>)(lpVtbl[4]))((INewMenuClient *)Unsafe.AsPointer(ref this), pidlItem, flags));
}
public HRESULT CompareIDs(LPARAM lParam, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl1, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl2)
{
return(((delegate * unmanaged <IShellFolder2 *, LPARAM, ITEMIDLIST *, ITEMIDLIST *, int>)(lpVtbl[7]))((IShellFolder2 *)Unsafe.AsPointer(ref this), lParam, pidl1, pidl2));
}
public HRESULT SetIDList([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <IShellLinkA *, ITEMIDLIST *, int>)(lpVtbl[5]))((IShellLinkA *)Unsafe.AsPointer(ref this), pidl));
}
public static extern unsafe HResult SHGetKnownFolderIDList(
[MarshalAs(UnmanagedType.LPStruct)] Guid rfid,
KNOWN_FOLDER_FLAG dwFlags,
IntPtr hToken,
out ITEMIDLIST *pidl);
public HRESULT SetItemPos([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl, POINT *ppt)
{
return(((delegate * unmanaged <IShellFolderView *, ITEMIDLIST *, POINT *, int>)(lpVtbl[22]))((IShellFolderView *)Unsafe.AsPointer(ref this), pidl, ppt));
}
public HRESULT Initialize([NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidl)
{
return(((delegate * unmanaged <IPersistFolder3 *, ITEMIDLIST *, int>)(lpVtbl[4]))((IPersistFolder3 *)Unsafe.AsPointer(ref this), pidl));
}
public HRESULT ShouldShow(IShellFolder *psf, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlFolder, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlItem)
{
return(((delegate * unmanaged <IFolderFilter *, IShellFolder *, ITEMIDLIST *, ITEMIDLIST *, int>)(lpVtbl[3]))((IFolderFilter *)Unsafe.AsPointer(ref this), psf, pidlFolder, pidlItem));
}
public HRESULT AddObject([NativeTypeName("LPITEMIDLIST")] ITEMIDLIST *pidl, uint *puItem)
{
return(((delegate * unmanaged <IShellFolderView *, ITEMIDLIST *, uint *, int>)(lpVtbl[8]))((IShellFolderView *)Unsafe.AsPointer(ref this), pidl, puItem));
}
public HRESULT InitializeEx(IBindCtx *pbc, [NativeTypeName("LPCITEMIDLIST")] ITEMIDLIST *pidlRoot, [NativeTypeName("const PERSIST_FOLDER_TARGET_INFO *")] PERSIST_FOLDER_TARGET_INFO *ppfti)
{
return(((delegate * unmanaged <IPersistFolder3 *, IBindCtx *, ITEMIDLIST *, PERSIST_FOLDER_TARGET_INFO *, int>)(lpVtbl[6]))((IPersistFolder3 *)Unsafe.AsPointer(ref this), pbc, pidlRoot, ppfti));
}
