protected virtual void OnChangeElement(int row, int column, T previousValue, T newValue)
 {
     ChangeElement?.Invoke(this, new ElementChangingEventArgs(row, column, previousValue, newValue));
 }
Exemple #2
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 protected void OnChange(int index1, int index2)
 {
     ChangeElement?.Invoke(this, new ChangeEventArgs(index1, index2));
 }