/// <summary>
/// Constructs a new Shell object from IDList pointer
/// </summary>
/// <param name="idListPtr"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static ShellObject Create(IntPtr idListPtr, ShellContainer parent)
{
int retCode = COMNative.Shell.Shell.SHCreateShellItem(
IntPtr.Zero,
parent.NativeShellFolder,
idListPtr, out IShellItem nativeShellItem);
return(CoreErrorHelper.Succeeded(retCode) ? Create(nativeShellItem) : null);
}
internal ShellFolderItems(ShellContainer nativeShellFolder)
{
this.nativeShellFolder = nativeShellFolder;
HResult hr = nativeShellFolder.NativeShellFolder.EnumObjects(
IntPtr.Zero,
ShellFolderEnumerationOptions.Folders | ShellFolderEnumerationOptions.NonFolders,
out nativeEnumIdList);
if (!CoreErrorHelper.Succeeded(hr))
{
throw hr == HResult.Canceled ? new System.IO.FileNotFoundException() : throw new ShellException(hr);
}
}
/// <summary>Constructs a new Shell object from IDList pointer</summary>
/// <param name="idListPtr"></param>
/// <param name="parent"></param>
/// <returns></returns>
internal static ShellObject Create(IntPtr idListPtr, ShellContainer parent)
{
var retCode = ShellNativeMethods.SHCreateShellItem(
IntPtr.Zero,
parent.NativeShellFolder,
idListPtr, out var nativeShellItem);
if (!CoreErrorHelper.Succeeded(retCode))
{
return(null);
}
return(ShellObjectFactory.Create(nativeShellItem));
}
/// <summary>
/// Constructs a new Shell object from IDList pointer
/// </summary>
/// <param name="idListPtr"></param>
/// <param name="parent"></param>
/// <returns></returns>
internal static ShellObject Create(IntPtr idListPtr, ShellContainer parent)
{
IShellItem nativeShellItem;
int retCode = ShellNativeMethods.SHCreateShellItem(
IntPtr.Zero,
parent.NativeShellFolder,
idListPtr, out nativeShellItem);
if (CoreErrorHelper.Succeeded(retCode))
{
return(ShellObjectFactory.Create(nativeShellItem));
}
else
{
// Since this is an internal method, return null instead of throwing an exception.
// Let the caller know we weren't able to create a valid ShellObject with the given PIDL
return(null);
}
}
internal ShellFolderItems(ShellContainer nativeShellFolder)
{
this.nativeShellFolder = nativeShellFolder;
HRESULT hr = nativeShellFolder.NativeShellFolder.EnumObjects(
IntPtr.Zero,
ShellNativeMethods.SHCONT.SHCONTF_FOLDERS | ShellNativeMethods.SHCONT.SHCONTF_NONFOLDERS,
out nativeEnumIdList);
if (!CoreErrorHelper.Succeeded((int)hr))
{
if (hr == HRESULT.E_ERROR_CANCELLED)
{
throw new System.IO.FileNotFoundException( );
}
else
{
Marshal.ThrowExceptionForHR((int)hr);
}
}
}
