public string CreateUniqueName(string nameFolder)
{
var i = 2;
var strName = nameFolder;
while (ChildsCollection.Any(o => o.Name == strName))
{
strName = $"{nameFolder} ({i++})";
}
return(strName);
}
public void AddFolder(object name)
{
var uniqueName = CreateUniqueName(_mainViewModel.StartNameFolder);
ChildsCollection?.Add(new FolderTree(this, uniqueName, _mainViewModel));
}