/// <summary>
/// Take a directory and return the IStorage PTr interface.
/// </summary>
internal static bool getIStorage(DirectoryInfoEx dir, out IntPtr storagePtr)
{
//0.19 Fixed ArgumentException when getting storage of C:\{User}\Desktop.
if (dir.FullName.Equals(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory)))
{
dir = DirectoryInfoEx.DesktopDirectory;
}
IntPtr storePtr = IntPtr.Zero;
//0.15 : Fixed PIDL not freed correctly.
try
{
return(dir.RequestRelativePIDL(dirPIDLRel =>
{
int hr;
if (dirPIDLRel.Size == 0)
{
IntPtr pidlLast = IntPtr.Zero;
hr = ShellAPI.SHBindToParent(dirPIDLRel.Ptr, ShellAPI.IID_IStorage,
out storePtr, ref pidlLast);
}
else
{
//0.15: Fixed ShellFolder not freed correctly.
using (ShellFolder2 dirParentShellFolder = dir.Parent.ShellFolder)
if (dirParentShellFolder != null)
{
hr = dirParentShellFolder.BindToStorage(
dirPIDLRel.Ptr, IntPtr.Zero, ref ShellAPI.IID_IStorage,
out storePtr);
}
else
{
storePtr = IntPtr.Zero;
return false;
}
}
if ((hr != ShellAPI.S_OK))
{
storePtr = IntPtr.Zero;
Marshal.ThrowExceptionForHR(hr);
return false;
}
return true;
}));
}
finally
{
storagePtr = storePtr;
}
}