public HResult GetAttributes(SFGAO sfgaoMask, out SFGAO psfgaoAttribs)
{
IShellFolder parentFolder = GetParent().GetIShellFolder();
SFGAO result = sfgaoMask;
parentFolder.GetAttributesOf(1, new IntPtr[] { Shell32.ILFindLastID(Pidl) }, ref result);
psfgaoAttribs = result & sfgaoMask;
return(HResult.S_OK);
}
public SFGAO GetAttributes(SFGAO sfgaoMask)
{
IShellFolder parentFolder = GetParent().GetIShellFolder();
SFGAO result = sfgaoMask;
parentFolder.GetAttributesOf(1,
new IntPtr[] { Shell32.ILFindLastID(m_Pidl) },
ref result);
return(result & sfgaoMask);
}
public Int32 ShouldShow(
Object psf, // A pointer to the folder's IShellFolder interface.
IntPtr pidlFolder, // The folder's PIDL.
IntPtr pidlItem) // The item's PIDL.
{
// check extension, and if not ok return 1 (S_FALSE)
// get display name of item
IShellFolder isf = (IShellFolder)psf;
ShellApi.STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlItem, (uint)ShellApi.SHGNO.SHGDN_NORMAL | (uint)ShellApi.SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
String sDisplay;
ShellApi.StrRetToBSTR(ref ptrDisplayName, (IntPtr)0, out sDisplay);
// check if item is file or folder
IntPtr[] aPidl = new IntPtr[1];
aPidl[0] = pidlItem;
uint Attrib;
Attrib = (uint)ShellApi.SFGAO.SFGAO_FOLDER;
int temp;
temp = isf.GetAttributesOf(1, aPidl, ref Attrib);
// if item is a folder, accept
if ((Attrib & (uint)ShellApi.SFGAO.SFGAO_FOLDER) == (uint)ShellApi.SFGAO.SFGAO_FOLDER)
{
return(0);
}
// if item is file, check if it has a valid extension
for (int i = 0; i < ValidExtension.Length; i++)
{
if (sDisplay.ToUpper().EndsWith("." + ValidExtension[i].ToUpper()))
{
return(0);
}
}
return(1);
}
/// <summary>
/// Constructor. Create a sub-item shell item object.
/// </summary>
/// <param name="shDesktop">IShellFolder interface of the Desktop</param>
/// <param name="pIDL">The fully qualified PIDL for this shell item</param>
/// <param name="shParent">The ShellItem object for this item's parent</param>
public ShellItem(IShellFolder shDesktop, IntPtr pIDL, ShellItem shParent)
{
// We need the Desktop shell item to exist first.
if (m_bHaveRootShell == false)
{
throw new Exception("The root shell item must be created before creating a sub-item");
}
// Create the FQ PIDL for this new item.
m_pIDL = NativeShellApi.ILCombine(shParent.PIDL, pIDL);
// Get the properties of this item.
SFGAOF uFlags = SFGAOF.SFGAO_FOLDER | SFGAOF.SFGAO_HASSUBFOLDER;
// Here we get some basic attributes.
shDesktop.GetAttributesOf(1, out m_pIDL, out uFlags);
IsFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_FOLDER);
HasSubFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_HASSUBFOLDER);
// Now we want to get extended attributes such as the icon index etc.
SHFILEINFO shInfo = new SHFILEINFO();
SHGFI vFlags =
SHGFI.SHGFI_SMALLICON |
SHGFI.SHGFI_SYSICONINDEX |
SHGFI.SHGFI_PIDL |
SHGFI.SHGFI_DISPLAYNAME;
NativeShellApi.SHGetFileInfo(m_pIDL, 0, out shInfo, (uint)Marshal.SizeOf(shInfo), vFlags);
DisplayName = shInfo.szDisplayName;
IconIndex = shInfo.iIcon;
Path = GetPath();
// Create the IShellFolder interface for this item.
if (IsFolder)
{
uint hRes = shParent.m_shShellFolder.BindToObject(pIDL, IntPtr.Zero, ref NativeShellApi.IID_IShellFolder, out m_shShellFolder);
if (hRes != 0)
{
Marshal.ThrowExceptionForHR((int)hRes);
}
}
}
public static uint GetAttributes(IntPtr pIDL, bool fValidate)
{
if (pIDL != IntPtr.Zero)
{
uint rgfInOut = 0x60010100;
if (fValidate)
{
rgfInOut |= 0x1000000;
}
Guid riid = ExplorerGUIDs.IID_IShellFolder;
IShellFolder ppv = null;
try {
IntPtr ptr;
if (PInvoke.SHBindToParent(pIDL, riid, out ppv, out ptr) == 0)
{
IntPtr[] apidl = new IntPtr[] { ptr };
int num2 = ppv.GetAttributesOf(1, apidl, ref rgfInOut);
if (fValidate)
{
return((uint)num2);
}
if (num2 == 0L)
{
return(rgfInOut);
}
}
return(uint.MaxValue);
}
catch {
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
}
}
return(uint.MaxValue);
}
public int GetAttributesOf(uint cidl, IntPtr[] apidl, ref ShellAPI.SFGAO rgfInOut)
{
checkDisposed();
return(_iShellFolder.GetAttributesOf(cidl, apidl, ref rgfInOut));
}
/// <summary>
/// Constructor. Create a sub-item shell item object.
/// </summary>
/// <param name="shDesktop">IShellFolder interface of the Desktop</param>
/// <param name="pIDL">The fully qualified PIDL for this shell item</param>
/// <param name="shParent">The ShellItem object for this item's parent</param>
public ShellItem(IShellFolder shDesktop, IntPtr pIDL, ShellItem shParent)
{
// We need the Desktop shell item to exist first.
if (m_bHaveRootShell == false)
throw new Exception("The root shell item must be created before creating a sub-item");
// Create the FQ PIDL for this new item.
m_pIDL = NativeShellApi.ILCombine(shParent.PIDL, pIDL);
// Get the properties of this item.
SFGAOF uFlags = SFGAOF.SFGAO_FOLDER | SFGAOF.SFGAO_HASSUBFOLDER;
// Here we get some basic attributes.
shDesktop.GetAttributesOf(1, out m_pIDL, out uFlags);
IsFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_FOLDER);
HasSubFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_HASSUBFOLDER);
// Now we want to get extended attributes such as the icon index etc.
SHFILEINFO shInfo = new SHFILEINFO();
SHGFI vFlags =
SHGFI.SHGFI_SMALLICON |
SHGFI.SHGFI_SYSICONINDEX |
SHGFI.SHGFI_PIDL |
SHGFI.SHGFI_DISPLAYNAME;
NativeShellApi.SHGetFileInfo(m_pIDL, 0, out shInfo, (uint)Marshal.SizeOf(shInfo), vFlags);
DisplayName = shInfo.szDisplayName;
IconIndex = shInfo.iIcon;
Path = GetPath();
// Create the IShellFolder interface for this item.
if (IsFolder)
{
uint hRes = shParent.m_shShellFolder.BindToObject(pIDL, IntPtr.Zero, ref NativeShellApi.IID_IShellFolder, out m_shShellFolder);
if (hRes != 0)
Marshal.ThrowExceptionForHR((int)hRes);
}
}
