/// <summary> /// Retrieves the display name for the specified file object or subfolder. /// Return value: error code, if any /// </summary> /// <param name="pidl">Address of an ITEMIDLIST structure (PIDL) that uniquely identifies the file object or subfolder relative to the parent folder.</param> /// <param name="uFlags">Flags used to request the type of display name to return. For a list of possible values.</param> /// <param name="pName">Address of a STRRET structure in which to return the display name.</param> /// <returns> /// If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code. /// </returns> int IShellFolder.GetDisplayNameOf(IntPtr pidl, SHGDNF uFlags, out STRRET pName) { // If we have an invalid PIDL, we must fail. if (pidl == IntPtr.Zero) { pName = new STRRET(); return(WinError.E_INVALIDARG); } // Create an idlist from the pidl. var idlist = PidlManager.PidlToIdlist(pidl); // Get the shell item. // TODO; handle errors var shellItem = GetChildItem(idlist); // If the flags are normal only, we're asking for the display name only. if (uFlags == SHGDNF.SHGDN_NORMAL) { // We only need the display name. pName = STRRET.CreateUnicode(shellItem.GetDisplayName(DisplayNameContext.OutOfFolder)); return(WinError.S_OK); } // If the flags are in folder, we're asking for the standard display name. if (uFlags == SHGDNF.SHGDN_INFOLDER || uFlags == SHGDNF.SHGDN_FORADDRESSBAR) { pName = STRRET.CreateUnicode(shellItem.GetDisplayName(DisplayNameContext.Normal)); return(WinError.S_OK); } // If the flags indicate parsing mode, we need to construct a name // that'll let us bounce from PIDL <-> name. We do this, rather than // the implementor. if (uFlags.HasFlag(SHGDNF.SHGDN_FORPARSING)) { // It's either relative (INFOLDER) or fully qualified. var str = uFlags.HasFlag(SHGDNF.SHGDN_INFOLDER) ? idlist.ToParsingString() : /* TODO start with my id list */ idlist.ToParsingString(); pName = STRRET.CreateUnicode(str); return(WinError.S_OK); } pName = STRRET.CreateUnicode(string.Empty); return(WinError.S_OK); }
/// <summary> /// Retrieves the display name for the specified file object or subfolder. /// Return value: error code, if any /// </summary> /// <param name="pidl">Address of an ITEMIDLIST structure (PIDL) that uniquely identifies the file object or subfolder relative to the parent folder.</param> /// <param name="uFlags">Flags used to request the type of display name to return. For a list of possible values.</param> /// <param name="pName">Address of a STRRET structure in which to return the display name.</param> /// <returns> /// If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code. /// </returns> int IShellFolder.GetDisplayNameOf(IntPtr pidl, SHGDNF uFlags, out STRRET pName) { // If we have an invalid PIDL, we must fail. if (pidl == IntPtr.Zero) { pName = new STRRET(); return WinError.E_INVALIDARG; } // Create an idlist from the pidl. var idlist = PidlManager.PidlToIdlist(pidl); // Get the shell item. // TODO; handle errors var shellItem = GetChildItem(idlist); // If the flags are normal only, we're asking for the display name only. if (uFlags == SHGDNF.SHGDN_NORMAL) { // We only need the display name. pName = STRRET.CreateUnicode(shellItem.GetDisplayName(DisplayNameContext.OutOfFolder)); return WinError.S_OK; } // If the flags are in folder, we're asking for the standard display name. if (uFlags == SHGDNF.SHGDN_INFOLDER || uFlags == SHGDNF.SHGDN_FORADDRESSBAR) { pName = STRRET.CreateUnicode(shellItem.GetDisplayName(DisplayNameContext.Normal)); return WinError.S_OK; } // If the flags indicate parsing mode, we need to construct a name // that'll let us bounce from PIDL <-> name. We do this, rather than // the implementor. if (uFlags.HasFlag(SHGDNF.SHGDN_FORPARSING)) { // It's either relative (INFOLDER) or fully qualified. var str = uFlags.HasFlag(SHGDNF.SHGDN_INFOLDER) ? idlist.ToParsingString() : /* TODO start with my id list */ idlist.ToParsingString(); pName = STRRET.CreateUnicode(str); return WinError.S_OK; } pName = STRRET.CreateUnicode(string.Empty); return WinError.S_OK; }