AWnd[] _FindAll(_WndList k, AWnd wParent)
{
using (k) {
using var ab = new Util.ArrayBuilder_ <AWnd>();
_FindInList(wParent, k, w => ab.Add(w)); //CONSIDER: ab could be part of _WndList. Now the delegate creates garbage.
return(ab.ToArray());
}
}
/// <summary>
/// Returns index of matching element or -1.
/// Returns -1 if using getAll.
/// </summary>
/// <param name="wParent">Parent window. Can be default(AWnd) if inList is true and no DirectChild flag and not using winforms name.</param>
/// <param name="a">List of AWnd. Does not dispose it.</param>
/// <param name="getAll">If not null, calls it for all matching and returns -1.</param>
int _FindInList(AWnd wParent, _WndList a, Action <AWnd> getAll = null)
{
Result = default;
if (a.Type == _WndList.ListType.None)
{
return(-1);
}
bool inList = a.Type != _WndList.ListType.ArrayBuilder;
int skipCount = _skipCount;
try { //will need to dispose something
for (int index = 0; a.Next(out AWnd w); index++)
{
if (w.Is0)
{
continue;
}
if (inList) //else the enum function did this
{
if (!_flags.Has(WCFlags.HiddenToo))
{
if (!w.IsVisibleIn_(wParent))
{
continue;
}
}
if (_flags.Has(WCFlags.DirectChild) && !wParent.Is0)
{
if (w.ParentGWL_ != wParent)
{
continue;
}
}
}
if (_nameIs == _NameIs.id)
{
if (w.ControlId != _id)
{
continue;
}
}
if (_className != null)
{
if (!_className.Match(w.ClassName))
{
continue;
}
}
if (_name != null)
{
string s;
switch (_nameIs)
{
case _NameIs.text:
s = w.ControlText;
break;
//case _NameIs.label:
// s = w.NameLabel;
// break;
case _NameIs.accName:
s = w.NameAcc;
break;
case _NameIs.wfName:
if (_wfControls == null)
{
try {
_wfControls = new AWinFormsControlNames(wParent.Is0 ? w : wParent);
}
catch (AuWndException) { //invalid parent window
return(-1);
}
catch (AuException e) { //probably process of higher UAC integrity level
AWarning.Write($"Failed to get .NET control names. {e.Message}");
return(-1);
}
}
s = _wfControls.GetControlName(w);
break;
default:
Debug.Assert(_nameIs == _NameIs.name);
s = w.Name;
break;
}
if (!_name.Match(s))
{
continue;
}
}
if (_also != null && !_also(w))
{
continue;
}
if (getAll != null)
{
getAll(w);
continue;
}
if (skipCount-- > 0)
{
continue;
}
Result = w;
return(index);
}
}
finally {
if (_wfControls != null)
{
_wfControls.Dispose(); _wfControls = null;
}
}
return(-1);
}
/// <summary>
/// Finds the specified control in a list of controls.
/// Returns 0-based index, or -1 if not found.
/// The <see cref="Result"/> property will be the control.
/// </summary>
/// <param name="a">List of controls, for example returned by <see cref="GetWnd.Children"/>.</param>
/// <param name="wParent">Direct or indirect parent window. Used only for flag DirectChild.</param>
public int FindInList(IEnumerable <AWnd> a, AWnd wParent = default)
{
using var k = new _WndList(a);
return(_FindInList(wParent, k));
}
/// <summary>
/// Finds the specified child control, like <see cref="AWnd.Child"/>.
/// Returns true if found.
/// The <see cref="Result"/> property will be the control.
/// </summary>
/// <param name="wParent">Direct or indirect parent window. Can be top-level window or control.</param>
/// <exception cref="AuWndException">Invalid wParent.</exception>
public bool Find(AWnd wParent)
{
using var k = new _WndList(_AllChildren(wParent));
return(_FindInList(wParent, k) >= 0);
}
