/// <summary>
/// Begins scalar editing mode.
/// </summary>
public void BeginEdit()
{
if (IsEditing)
{
return;
}
_owner.SuspendInvalidateView();
for (int i = 0; i < Count; i++)
{
this[i].BeginEdit();
}
IsEditing = true;
_owner.OnBeginEdit();
_owner.ResumeInvalidateView();
}