private void DoRemoveChild(VdsTransform child)
{
if (_childrenList != null && _childrenList.Contains(child))
{
RemoveChildInternal(this.NativeHandle, child.NativeHandle);
lock (_locker)
{
_childrenList.Remove(child);
}
child.SetParent(null);
}
}
private void DoAddChild(VdsTransform child)
{
AddChildInternal(this.NativeHandle, child.NativeHandle);
if (_childrenList == null)
{
_childrenList = new List <VdsTransform>();
}
if (_childrenList.Contains(child))
{
return;
}
lock (_locker)
{
_childrenList.Add(child);
}
child.SetParent(this);
}