internal ShellFolder(IShellItem shellItem, IShellFolder shellFolder, ShellItemKnownInfo knownInfo)
: base(GetShellItemFromFolder(shellItem, shellFolder), knownInfo)
{
if (shellFolder == null)
{
shellFolder = (IShellFolder)shellItem.BindToHandler(null, ShellConsts.BHID_SFObject, typeof(IShellFolder).GUID);
}
NativeFolder = shellFolder;
}
internal ShellFolder(IShellItem shellItem, IShellFolder shellFolder, ShellItemKnownInfo knownInfo)
: base(GetShellItemFromFolder(shellItem, shellFolder), knownInfo)
{
if (shellFolder == null)
{
shellFolder = (IShellFolder)shellItem.BindToHandler(null, ShellConsts.BHID_SFObject, typeof(IShellFolder).GUID);
}
NativeFolder = shellFolder;
}
private void Init(ShellItemKnownInfo knownInfo)
{
_loadedAttrs = knownInfo.LoadedAttributes;
_attrs = knownInfo.Attributes;
_parentParsePath = knownInfo.ParentParsePath;
_pidl = new Lazy<IdList>(() => SHGetIDListFromObject(nativeItem));
_parentFolder = new Lazy<ShellFolder>(() =>
{
var nativeParent = nativeItem.GetParent();
if (nativeParent == null)
return null;
return new ShellFolder(nativeParent, null, new ShellItemKnownInfo());
});
_desktopAbsoluteParsePath = new Lazy<string>(() => nativeItem.GetDisplayName(SIGDN.DesktopAbsoluteParsing));
_parseName = new Lazy<string>(() => nativeItem.GetDisplayName(SIGDN.ParentRelativeParsing));
_parsePath = new Lazy<string>(() =>
{
if (Pidl.Parts.Count == 0) // The actual desktop
return "";
try
{
if (_parentParsePath != null)
{
string normParentPath = _parentParsePath.Trim('\\');
if (normParentPath != "")
normParentPath += "\\";
return normParentPath + ParseName;
}
else
return DesktopAbsoluteParsePath;
}
catch (ArgumentException)
{
IdList childPidl = new IdList(Pidl.Parts[Pidl.Parts.Count - 1]);
return GetParentFolder().NativeFolder.GetDisplayNameOf(childPidl, SHGDNF.ForParsing);
}
});
_fullParsePath = new Lazy<string>(() =>
{
if (GetParentFolder() == null)
return "";
string parentParsePath = GetParentFolder().FullParsePath.TrimEnd('\\');
if (parentParsePath != "")
parentParsePath += "\\";
return parentParsePath + nativeItem.GetDisplayName(SIGDN.ParentRelativeParsing);
});
/*_displayName = new Lazy<string>(() => GetParentFolder().NativeFolder.GetDisplayNameOf(
new IdList(Pidl.Parts[Pidl.Parts.Count - 1]),
SHGDNF.InFolder | SHGDNF.Normal));*/
_displayName = new Lazy<string>(() => nativeItem.GetDisplayName(SIGDN.NormalDisplay));
}
internal static ShellItem GetShellItem(IdList pidl, ShellItemKnownInfo knownInfo)
{
IShellItem nativeItem = SHCreateItemFromIDList <IShellItem>(pidl);
knownInfo.Attributes = LoadMissingAttributes(nativeItem, knownInfo.LoadedAttributes, knownInfo.Attributes, SFGAO.Browsable | SFGAO.Folder);
knownInfo.LoadedAttributes |= SFGAO.Browsable | SFGAO.Folder;
if ((knownInfo.Attributes & (SFGAO.Browsable | SFGAO.Folder)) != SFGAO.None)
{
return(new ShellFolder(nativeItem, null, knownInfo));
}
else
{
return(new ShellItem(nativeItem, knownInfo));
}
}
private void Init(ShellItemKnownInfo knownInfo)
{
_loadedAttrs = knownInfo.LoadedAttributes;
_attrs = knownInfo.Attributes;
_parentParsePath = knownInfo.ParentParsePath;
_pidl = new Lazy <IdList>(() => SHGetIDListFromObject(nativeItem));
_parentFolder = new Lazy <ShellFolder>(() =>
{
var nativeParent = nativeItem.GetParent();
if (nativeParent == null)
{
return(null);
}
return(new ShellFolder(nativeParent, null, new ShellItemKnownInfo()));
});
_desktopAbsoluteParsePath = new Lazy <string>(() => nativeItem.GetDisplayName(SIGDN.DesktopAbsoluteParsing));
_parseName = new Lazy <string>(() => nativeItem.GetDisplayName(SIGDN.ParentRelativeParsing));
_parsePath = new Lazy <string>(() =>
{
if (Pidl.Parts.Count == 0) // The actual desktop
{
return("");
}
try
{
if (_parentParsePath != null)
{
string normParentPath = _parentParsePath.Trim('\\');
if (normParentPath != "")
{
normParentPath += "\\";
}
return(normParentPath + ParseName);
}
else
{
return(DesktopAbsoluteParsePath);
}
}
catch (ArgumentException)
{
IdList childPidl = new IdList(Pidl.Parts[Pidl.Parts.Count - 1]);
return(GetParentFolder().NativeFolder.GetDisplayNameOf(childPidl, SHGDNF.ForParsing));
}
});
_fullParsePath = new Lazy <string>(() =>
{
if (GetParentFolder() == null)
{
return("");
}
string parentParsePath = GetParentFolder().FullParsePath.TrimEnd('\\');
if (parentParsePath != "")
{
parentParsePath += "\\";
}
return(parentParsePath + nativeItem.GetDisplayName(SIGDN.ParentRelativeParsing));
});
/*_displayName = new Lazy<string>(() => GetParentFolder().NativeFolder.GetDisplayNameOf(
* new IdList(Pidl.Parts[Pidl.Parts.Count - 1]),
* SHGDNF.InFolder | SHGDNF.Normal));*/
_displayName = new Lazy <string>(() => nativeItem.GetDisplayName(SIGDN.NormalDisplay));
}
internal ShellItem(IdList pidl, ShellItemKnownInfo knownInfo)
{
nativeItem = SHCreateItemFromIDList <IShellItem>(pidl);
Init(knownInfo);
}
internal ShellItem(IShellItem nativeItem, ShellItemKnownInfo knownInfo)
{
this.nativeItem = nativeItem;
Init(knownInfo);
}
internal static ShellItem GetShellItem(IdList pidl, ShellItemKnownInfo knownInfo)
{
IShellItem nativeItem = SHCreateItemFromIDList<IShellItem>(pidl);
knownInfo.Attributes = LoadMissingAttributes(nativeItem, knownInfo.LoadedAttributes, knownInfo.Attributes, SFGAO.Browsable | SFGAO.Folder);
knownInfo.LoadedAttributes |= SFGAO.Browsable | SFGAO.Folder;
if ((knownInfo.Attributes & (SFGAO.Browsable | SFGAO.Folder)) != SFGAO.None)
return new ShellFolder(nativeItem, null, knownInfo);
else
return new ShellItem(nativeItem, knownInfo);
}
internal ShellItem(IdList pidl, ShellItemKnownInfo knownInfo)
{
nativeItem = SHCreateItemFromIDList<IShellItem>(pidl);
Init(knownInfo);
}
internal ShellItem(IShellItem nativeItem, ShellItemKnownInfo knownInfo)
{
this.nativeItem = nativeItem;
Init(knownInfo);
}