public IEnumerator <IListItemEx> GetEnumerator()
{
var folder = this.GetIShellFolder();
if (folder == null)
{
yield return(null);
}
HResult navRes;
var flags = SHCONTF.FOLDERS | SHCONTF.INCLUDEHIDDEN | SHCONTF.INCLUDESUPERHIDDEN | SHCONTF.FASTITEMS | SHCONTF.NONFOLDERS | SHCONTF.ENABLE_ASYNC | SHCONTF.INIT_ON_FIRST_NEXT;
var enumId = ShellItem.GetIEnumIDList(folder, flags, out navRes);
this.NavigationStatus = navRes;
uint count;
IntPtr pidl;
if (enumId == null)
{
yield break;
}
var result = enumId.Next(1, out pidl, out count);
var i = 0;
while (result == HResult.S_OK)
{
var fsi = new FileSystemListItem();
try {
fsi.InitializeWithParent(this.PIDL, this.ParentHandle, pidl, i++);
} catch {
continue;
}
fsi.IsParentSearchFolder = this.IsSearchFolder;
fsi.Dispose();
yield return(fsi);
result = enumId.Next(1, out pidl, out count);
}
if (folder != null)
{
Marshal.ReleaseComObject(folder);
}
if (result != HResult.S_FALSE)
{
//Marshal.ThrowExceptionForHR((int)result);
}
yield break;
}
public IEnumerable <IListItemEx> GetContents(Boolean isEnumHidden)
{
var folder = this.GetIShellFolder();
if (folder == null)
{
yield return(null);
}
HResult navRes;
var flags = SHCONTF.FOLDERS | SHCONTF.NONFOLDERS | SHCONTF.CHECKING_FOR_CHILDREN | SHCONTF.ENABLE_ASYNC;
if (isEnumHidden)
{
flags = SHCONTF.FOLDERS | SHCONTF.INCLUDEHIDDEN | SHCONTF.INCLUDESUPERHIDDEN | SHCONTF.NONFOLDERS | SHCONTF.CHECKING_FOR_CHILDREN | SHCONTF.ENABLE_ASYNC;
}
var enumId = ShellItem.GetIEnumIDList(folder, flags, out navRes);
this.NavigationStatus = navRes;
uint count;
IntPtr pidl;
if (enumId == null)
{
yield break;
}
var result = enumId.Next(1, out pidl, out count);
var i = 0;
while (result == HResult.S_OK)
{
//var sb = new StringBuilder(512);
//Shell32.SHGetPathFromIDList(pidl, sb);
//var ext = Path.GetExtension(sb.ToString());
var fsi = new FileSystemListItem();
try {
fsi.InitializeWithParent(this.PIDL, this.ParentHandle, pidl, i++);
} catch {
continue;
}
fsi.IsParentSearchFolder = this.IsSearchFolder;
fsi.Dispose();
yield return(fsi);
//Shell32.ILFree(pidl);
result = enumId.Next(1, out pidl, out count);
}
if (folder != null)
{
Marshal.ReleaseComObject(folder);
}
if (result != HResult.S_FALSE)
{
//Marshal.ThrowExceptionForHR((int)result);
}
//parentItem.Dispose();
yield break;
}