/// <summary> Query if 'name' is name valid. </summary>
///
/// <param name="name"> The name. </param>
///
/// <returns> True if name valid, false if not. </returns>
private bool IsNameValid(string name)
{
var valid = ViewSheets.IsNameValid(name);
var msg = $"Name [{name}] is{(valid ? " " : " not ")}valid {(valid ? " " : " as it is already used.")}";
MessageBox.Show(msg,
LocalizationStrings.Title,
MessageBoxButtons.OK,
MessageBoxIcon.Information);
return(valid);
}