/// <summary>
/// Retrieves an IShellFolder object for a subfolder.
/// Return value: error code, if any
/// </summary>
/// <param name="pidl">Address of an ITEMIDLIST structure (PIDL) that identifies the subfolder.</param>
/// <param name="pbc">Optional address of an IBindCtx interface on a bind context object to be used during this operation.</param>
/// <param name="riid">Identifier of the interface to return. </param>
/// <param name="ppv">Address that receives the interface pointer.</param>
/// <returns>If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
int IShellFolder.BindToObject(IntPtr pidl, IntPtr pbc, ref Guid riid, out IntPtr ppv)
{
// Have we been asked to bind to a folder?
if (riid == typeof(IShellFolder).GUID || riid == typeof(IShellFolder2).GUID)
{
// Get the child item.
var idList = PidlManager.PidlToIdlist(pidl);
var childItem = GetChildItem(idList);
// If the item is a folder, we can create a proxy for it and return the proxy.
var subFolder = childItem as IShellNamespaceFolder;
if (subFolder != null)
{
var folderProxy = new ShellFolderImpl(namespaceExtension, subFolder);
ppv = Marshal.GetComInterfaceForObject(folderProxy, typeof(IShellFolder2));
return(WinError.S_OK);
}
}
// Note: We are also asked to bind to IPropertyStore IPropertyStoreFactory and IPropertyStoreCache.
// If we cannot return the required interface, we must return no interface.
ppv = IntPtr.Zero;
return(WinError.E_NOINTERFACE);
}
/// <summary>
/// Initializes a new instance of the <see cref="SharpNamespaceExtension"/> class.
/// </summary>
protected SharpNamespaceExtension()
{
Log("Instatiated Namespace Extension");
// Create the shell folder implementation.
shellFolderImpl = new ShellFolderImpl(this, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="SharpNamespaceExtension"/> class.
/// </summary>
protected SharpNamespaceExtension()
{
Log("Instatiated Namespace Extension");
// Create the shell folder implementation.
shellFolderImpl = new ShellFolderImpl(this, this);
}
/// <summary>
/// Retrieves an IShellFolder object for a subfolder.
// Return value: error code, if any
/// </summary>
/// <param name="pidl">Address of an ITEMIDLIST structure (PIDL) that identifies the subfolder.</param>
/// <param name="pbc">Optional address of an IBindCtx interface on a bind context object to be used during this operation.</param>
/// <param name="riid">Identifier of the interface to return. </param>
/// <param name="ppv">Address that receives the interface pointer.</param>
/// <returns>If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
int IShellFolder.BindToObject(IntPtr pidl, IntPtr pbc, ref Guid riid, out IntPtr ppv)
{
// Have we been asked to bind to a folder?
if (riid == typeof(IShellFolder).GUID || riid == typeof(IShellFolder2).GUID)
{
// Get the child item.
var idList = PidlManager.PidlToIdlist(pidl);
var childItem = GetChildItem(idList);
// If the item is a folder, we can create a proxy for it and return the proxy.
var subFolder = childItem as IShellNamespaceFolder;
if (subFolder != null)
{
var folderProxy = new ShellFolderImpl(namespaceExtension, subFolder);
ppv = Marshal.GetComInterfaceForObject(folderProxy, typeof(IShellFolder2));
return WinError.S_OK;
}
}
// Note: We are also asked to bind to IPropertyStore IPropertyStoreFactory and IPropertyStoreCache.
// If we cannot return the required interface, we must return no interface.
ppv = IntPtr.Zero;
return WinError.E_NOINTERFACE;
}
