public void GetLogicalLocationForDesktopParentOf()
{
var testitem = KF_IID.ID_FOLDERID_ComputerFolder;
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(testitem, out parentIdList, out relativeChild);
Assert.IsTrue(relativeChild != null);
Assert.IsTrue(relativeChild.Size == 1);
Assert.IsTrue(retVal == true);
Assert.IsFalse(parentIdList == null);
Assert.IsTrue(parentIdList.Size == 0); // An empty list represents the desktop
IntPtr parentPIDL = PidlManager.IdListToPidl(IdList.Create(parentIdList.Ids));
try
{
Assert.IsFalse(parentPIDL == default(IntPtr));
string path = PidlManager.GetPathFromPIDL(parentPIDL);
Assert.IsFalse(string.IsNullOrEmpty(path));
Assert.IsFalse(testitem.Equals(path, StringComparison.InvariantCultureIgnoreCase));
// The expected parent of 'This PC' is the 'Desktop'
Assert.IsTrue(path.Equals(KF_IID.ID_FOLDERID_Desktop, StringComparison.InvariantCultureIgnoreCase));
// this works for display name return PidlManager.GetPidlDisplayName(parentPIDL);
}
finally
{
parentPIDL = PidlManager.FreeCoTaskMem(parentPIDL);
}
}
public void GetStorageLocationForSpecialFolderParent()
{
string originalPath = null;
IntPtr ptrPath = default(IntPtr);
try
{
using (var kfn = KnownFolderHelper.FromKnownFolderGuid(new Guid(KF_ID.ID_FOLDERID_Windows)))
{
kfn.Obj.GetPath(0, out ptrPath);
Assert.IsTrue(ptrPath != default(IntPtr));
originalPath = Marshal.PtrToStringUni(ptrPath);
}
Assert.IsFalse(string.IsNullOrEmpty(originalPath));
string testFolder = System.IO.Path.Combine(originalPath, "System32");
Assert.IsTrue(System.IO.Directory.Exists(testFolder));
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(testFolder, out parentIdList, out relativeChild);
Assert.IsTrue(relativeChild != null);
Assert.IsTrue(relativeChild.Size == 1);
IntPtr parentPIDL = PidlManager.IdListToPidl(IdList.Create(parentIdList.Ids));
try
{
Assert.IsFalse(parentPIDL == default(IntPtr));
string path = PidlManager.GetPathFromPIDL(parentPIDL);
Assert.IsTrue(retVal == true);
Assert.IsFalse(parentIdList == null);
// Expectation: Should display a path like 'C:\' or special folder path
Assert.IsFalse(string.IsNullOrEmpty(testFolder));
Assert.IsFalse(testFolder.Equals(path, StringComparison.InvariantCultureIgnoreCase));
// The expected parent of a drive is 'This PC'
Assert.IsTrue(path.Equals(KF_IID.ID_FOLDERID_Windows, StringComparison.InvariantCultureIgnoreCase));
}
finally
{
parentPIDL = PidlManager.FreeCoTaskMem(parentPIDL);
}
}
finally
{
ptrPath = PidlManager.FreeCoTaskMem(ptrPath);
}
}
public void GetLogicalLocationForParentOfDesktop()
{
var testitem = KF_IID.ID_FOLDERID_Desktop;
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(testitem, out parentIdList, out relativeChild);
Assert.IsTrue(relativeChild == null);
Assert.IsTrue(retVal == true);
// Desktop item is expected to have no parent
Assert.IsTrue(parentIdList == null);
}
public void GetLogicalLocationForThisPCParentOf()
{
// Get the default drive's path
var drive = new DirectoryInfo(Environment.SystemDirectory).Root.Name;
Assert.IsFalse(string.IsNullOrEmpty(drive));
var list = new List <string>();
list.Add(drive);
list.Add(KF_IID.ID_FOLDERID_Documents);
list.Add(KF_IID.ID_FOLDERID_Music);
list.Add(KF_IID.ID_FOLDERID_Downloads);
list.Add(KF_IID.ID_FOLDERID_Pictures);
list.Add(KF_IID.ID_FOLDERID_Videos);
foreach (var testFolder in list)
{
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(testFolder, out parentIdList, out relativeChild);
Assert.IsTrue(relativeChild != null);
Assert.IsTrue(relativeChild.Size == 1);
Assert.IsTrue(retVal == true);
Assert.IsFalse(parentIdList == null);
IntPtr parentPIDL = PidlManager.IdListToPidl(IdList.Create(parentIdList.Ids));
try
{
Assert.IsFalse(parentPIDL == default(IntPtr));
string path = PidlManager.GetPathFromPIDL(parentPIDL);
// Expectation: Should display a path like 'C:\' or special folder path
Assert.IsFalse(string.IsNullOrEmpty(path));
Assert.IsFalse(testFolder.Equals(path, StringComparison.InvariantCultureIgnoreCase));
// The expected parent of a drive is 'This PC'
Assert.IsTrue(path.Equals(KF_IID.ID_FOLDERID_ComputerFolder, StringComparison.InvariantCultureIgnoreCase));
// this works for display name return PidlManager.GetPidlDisplayName(parentPIDL);
}
finally
{
parentPIDL = PidlManager.FreeCoTaskMem(parentPIDL);
}
}
}
public void LoadPidls()
{
lock (_resolvePidlsLock)
{
if (_PIDLs_Initialized == true)
{
return;
}
_PIDLs_Initialized = true;
IdList parentIdList, relativeChildIdList;
bool hasPIDL = PidlManager.GetParentIdListFromPath(PathShell, out parentIdList, out relativeChildIdList);
if (hasPIDL == true)
{
_ParentIdList = parentIdList;
_ChildIdList = relativeChildIdList;
}
}
}
public void GetIconForParentOfSpecialFolder()
{
var testPath = KF_IID.ID_FOLDERID_Fonts;
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(testPath, out parentIdList, out relativeChild);
Assert.IsTrue(retVal);
// Child item is the desktop -> extract and return desktop icon
if (parentIdList == null || relativeChild == null)
{
throw new NotImplementedException();
}
IntPtr parentPtr = default(IntPtr);
IntPtr relChildPtr = default(IntPtr);
IntPtr ptrShellFolder = default(IntPtr);
IntPtr ptrExtractIcon = default(IntPtr);
IntPtr smallHicon = default(IntPtr);
IntPtr largeHicon = default(IntPtr);
try
{
parentPtr = PidlManager.IdListToPidl(parentIdList);
relChildPtr = PidlManager.IdListToPidl(relativeChild);
Assert.IsTrue(parentPtr != default(IntPtr));
Assert.IsTrue(relChildPtr != default(IntPtr));
Guid guid = typeof(IShellFolder2).GUID;
HRESULT hr = NativeMethods.SHBindToParent(parentPtr, guid,
out ptrShellFolder, ref relChildPtr);
Assert.IsTrue(hr == HRESULT.S_OK);
using (var shellFolder = new ShellFolder(ptrShellFolder))
{
Assert.IsTrue(shellFolder != null);
guid = typeof(IExtractIcon).GUID;
var pidls = new[] { relChildPtr };
hr = shellFolder.Obj.GetUIObjectOf(IntPtr.Zero, 1, pidls, guid,
IntPtr.Zero, out ptrExtractIcon);
Assert.IsTrue(hr == HRESULT.S_OK);
using (var extractIcon = new GenericCOMFolder <IExtractIcon>(ptrExtractIcon))
{
Assert.IsTrue(extractIcon != null);
var iconFile = new StringBuilder(NativeMethods.MAX_PATH);
int index = -1;
uint pwFlags = 0;
hr = extractIcon.Obj.GetIconLocation(0, iconFile, (uint)iconFile.Capacity,
ref index, ref pwFlags);
Assert.IsTrue(hr == HRESULT.S_OK);
Assert.IsFalse(string.IsNullOrEmpty(iconFile.ToString()));
hr = extractIcon.Obj.Extract(iconFile.ToString(), index,
ref smallHicon, ref largeHicon, 16);
Assert.IsTrue(hr == HRESULT.S_OK);
PngBitmapDecoder bitmapDecoder = null;
using (var memoryStream = new MemoryStream())
{
Icon.FromHandle(smallHicon).ToBitmap().Save(memoryStream, ImageFormat.Png);
memoryStream.Seek(0, SeekOrigin.Begin);
// Decode the icon
bitmapDecoder = new PngBitmapDecoder(memoryStream, BitmapCreateOptions.None, BitmapCacheOption.Default);
}
Assert.IsTrue(bitmapDecoder != null);
Assert.IsTrue(bitmapDecoder.Frames != null);
Assert.IsTrue(bitmapDecoder.Frames.Count > 0);
Assert.IsTrue(bitmapDecoder.Frames[0] != null);
bitmapDecoder = null;
using (var memoryStream = new MemoryStream())
{
Icon.FromHandle(largeHicon).ToBitmap().Save(memoryStream, ImageFormat.Png);
memoryStream.Seek(0, SeekOrigin.Begin);
// Decode the icon
bitmapDecoder = new PngBitmapDecoder(memoryStream, BitmapCreateOptions.None, BitmapCacheOption.Default);
}
Assert.IsTrue(bitmapDecoder != null);
Assert.IsTrue(bitmapDecoder.Frames != null);
Assert.IsTrue(bitmapDecoder.Frames.Count > 0);
Assert.IsTrue(bitmapDecoder.Frames[0] != null);
}
}
}
finally
{
if (parentPtr != default(IntPtr))
{
NativeMethods.ILFree(parentPtr);
}
//// if (relChildPtr != default(IntPtr)) NOT NECESSARY
//// NativeMethods.ILFree(relChildPtr);
if (smallHicon != default(IntPtr))
{
NativeMethods.DestroyIcon(smallHicon);
}
if (largeHicon != default(IntPtr))
{
NativeMethods.DestroyIcon(largeHicon);
}
}
}
public void CanGetShellFolder2()
{
string specialPath = KF_IID.ID_FOLDERID_UsersFiles;
IdList parentIdList = null, relativeChild = null;
var retVal = PidlManager.GetParentIdListFromPath(specialPath, out parentIdList, out relativeChild);
Assert.IsTrue(retVal);
// Child item is the desktop -> cannot implement this for desktop since it has no parent
if (parentIdList == null || relativeChild == null)
{
throw new NotImplementedException();
}
IntPtr parentPtr = default(IntPtr);
IntPtr relChildPtr = default(IntPtr);
IntPtr relChildPtr1 = default(IntPtr);
IntPtr ptrShellFolder = default(IntPtr);
try
{
parentPtr = PidlManager.IdListToPidl(parentIdList);
relChildPtr = PidlManager.IdListToPidl(relativeChild);
Assert.IsTrue(parentPtr != default(IntPtr));
Assert.IsTrue(relChildPtr != default(IntPtr));
Guid guid = typeof(IShellFolder2).GUID;
HRESULT hr = NativeMethods.SHBindToParent(relChildPtr, guid,
out ptrShellFolder, ref relChildPtr1);
Assert.IsTrue(hr == HRESULT.S_OK);
using (var shellFolder = new ShellFolder(ptrShellFolder))
{
Assert.IsTrue(shellFolder != null);
var ParseName = shellFolder.GetShellFolderName(relChildPtr, SHGDNF.SHGDN_FORPARSING);
Assert.IsFalse(string.IsNullOrEmpty(ParseName));
var Name = shellFolder.GetShellFolderName(relChildPtr, SHGDNF.SHGDN_NORMAL);
Assert.IsFalse(string.IsNullOrEmpty(Name));
}
}
finally
{
if (parentPtr != default(IntPtr))
{
NativeMethods.ILFree(parentPtr);
}
if (relChildPtr != default(IntPtr))
{
NativeMethods.ILFree(relChildPtr);
}
// if (relChildPtr != default(IntPtr))
// NativeMethods.ILFree(relChildPtr1);
}
}
//// public void LoadProperties()
//// {
//// if (_KnownFolderIsInitialized == false)
//// {
//// _KnownFolderIsInitialized = true;
//// KnownFolder = LoadKnownFolder();
//// }
////
//// if (_ItemTypeIsInitialized == false)
//// {
//// _ItemTypeIsInitialized = true;
//// ItemType = LoadItemType();
//// }
////
//// if (_IconResourceIdInitialized == false)
//// {
//// _IconResourceIdInitialized = true;
//// _IconResourceId = LoadIconResourceId();
//// }
//// }
/// <summary>
/// Initializes the items type flags and path properties.
/// </summary>
/// <param name="path">Is either a path reference a la 'C:' or a
/// special folder path reference a la '::{...}' <seealso cref="KF_IID"/>
/// for more details.</param>
/// <returns>Returns a simple pojo type object to initialize
/// the calling object members.</returns>
internal static BrowseItemFromPath InitItem(string path)
{
if (string.IsNullOrEmpty(path) == true) // return unknown references
{
var ret = new BrowseItemFromPath(path, path);
ret.Name = path;
return(ret);
}
if (path.Length == 38)
{
try
{
Guid theGuid;
if (Guid.TryParse(path, out theGuid) == true)
{
path = KF_IID.IID_Prefix + path;
}
}
catch
{
// Catching errors just in case ...
}
}
// Return item for root desktop item
if (string.Compare(path, KF_IID.ID_ROOT_Desktop, true) == 0)
{
return(InitDesktopRootItem());
}
ShellHelpers.SpecialPath isSpecialID = ShellHelpers.IsSpecialPath(path);
string normPath = null, SpecialPathId = null;
bool hasPIDL = false;
IdList parentIdList, relativeChildIdList;
if (isSpecialID == ShellHelpers.SpecialPath.IsSpecialPath)
{
SpecialPathId = path;
hasPIDL = PidlManager.GetParentIdListFromPath(path, out parentIdList, out relativeChildIdList);
}
else
{
normPath = Browser.NormalizePath(path);
hasPIDL = PidlManager.GetParentIdListFromPath(normPath, out parentIdList, out relativeChildIdList);
}
if (hasPIDL == false) // return references that cannot resolve with a PIDL
{
var ret = new BrowseItemFromPath(path, path);
ret.Name = path;
return(ret);
}
string parseName = normPath;
string name = normPath;
string labelName = null;
IdList fullIdList = null;
// Get the IShellFolder2 Interface for the original path item...
IntPtr fullPidlPtr = default(IntPtr);
IntPtr ptrShellFolder = default(IntPtr);
IntPtr parentPIDLPtr = default(IntPtr);
IntPtr relativeChildPIDLPtr = default(IntPtr);
try
{
// We are asked to build the desktop root item here...
if (parentIdList == null && relativeChildIdList == null)
{
using (var shellFolder = new ShellFolderDesktop())
{
parseName = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_FORPARSING);
name = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_INFOLDER | SHGDNF.SHGDN_FOREDITING);
labelName = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_NORMAL);
}
}
else
{
fullIdList = PidlManager.CombineParentChild(parentIdList, relativeChildIdList);
fullPidlPtr = PidlManager.IdListToPidl(fullIdList);
if (fullPidlPtr == default(IntPtr))
{
return(null);
}
HRESULT hr = HRESULT.False;
if (fullIdList.Size == 1) // Is this item directly under the desktop root?
{
hr = NativeMethods.SHGetDesktopFolder(out ptrShellFolder);
if (hr != HRESULT.S_OK)
{
return(null);
}
using (var shellFolder = new ShellFolder(ptrShellFolder))
{
parseName = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_FORPARSING);
name = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_INFOLDER | SHGDNF.SHGDN_FOREDITING);
labelName = shellFolder.GetShellFolderName(fullPidlPtr, SHGDNF.SHGDN_NORMAL);
}
}
else
{
parentPIDLPtr = PidlManager.IdListToPidl(parentIdList);
relativeChildPIDLPtr = PidlManager.IdListToPidl(relativeChildIdList);
using (var desktopFolder = new ShellFolderDesktop())
{
hr = desktopFolder.Obj.BindToObject(parentPIDLPtr, IntPtr.Zero,
typeof(IShellFolder2).GUID, out ptrShellFolder);
}
if (hr != HRESULT.S_OK)
{
return(null);
}
// This item is not directly under the Desktop root
using (var shellFolder = new ShellFolder(ptrShellFolder))
{
parseName = shellFolder.GetShellFolderName(relativeChildPIDLPtr, SHGDNF.SHGDN_FORPARSING);
name = shellFolder.GetShellFolderName(relativeChildPIDLPtr, SHGDNF.SHGDN_INFOLDER | SHGDNF.SHGDN_FOREDITING);
labelName = shellFolder.GetShellFolderName(relativeChildPIDLPtr, SHGDNF.SHGDN_NORMAL);
}
}
}
if (ShellHelpers.IsSpecialPath(parseName) == ShellHelpers.SpecialPath.None)
{
normPath = parseName;
}
return(new BrowseItemFromPath(path, parseName, name, labelName,
SpecialPathId, normPath
//// ,parentIdList, relativeChildIdList
));
}
finally
{
PidlManager.ILFree(parentPIDLPtr);
PidlManager.ILFree(relativeChildPIDLPtr);
if (fullPidlPtr != default(IntPtr))
{
NativeMethods.ILFree(fullPidlPtr);
}
}
}
