/// <summary>
/// Adds an expression to the expressions list.
/// </summary>
/// <returns>
/// A <see cref="SyntacticalExpressionWidget"/>
/// </returns>
private SyntacticalExpressionWidget AddExpression()
{
SyntacticalExpressionWidget widget =
new SyntacticalExpressionWidget(this);
synEdExpressionsVB.Add(widget);
foreach (SyntacticalExpressionWidget expWidget in synEdExpressionsVB)
{
expWidget.CheckPosition();
}
synEdExpressionScroller.Vadjustment.Value = synEdExpressionScroller.Vadjustment.Upper;
return widget;
}
/// <summary>
/// Removes a expression from the expression list.
/// </summary>
/// <param name="widget">
/// A <see cref="SyntacticalExpressionWidget"/>
/// </param>
public void RemoveExpression(SyntacticalExpressionWidget widget)
{
synEdExpressionsVB.Remove(widget);
foreach (SyntacticalExpressionWidget childWidget in
synEdExpressionsVB.Children)
{
childWidget.CheckPosition();
}
}