private void button1_Click(object sender, EventArgs e)
{
String deletedExpression = ExpressionList.GetItemText(ExpressionList.SelectedItem);
ExpressionList.Items.Remove(deletedExpression);
_cl.DeleteExpression(deletedExpression);
}
private void ForceCalculateExpressionsButton_Click(object sender, EventArgs e)
{
try
{
Dictionary <String, Boolean> calculatedExpressions = _cl.ForceCalculateExpressions();
String[] variables = _cl.GetVariables().Select(v => String.Format("{0} = {1}", v.Key, v.Value)).ToArray();
String[] notCalculatedExpressions = ExpressionList.Items.OfType <String>()
.Where(ex => !calculatedExpressions.ContainsKey(ex)).ToArray();
NotCalculatedExpressions.Items.Clear();
NotCalculatedExpressions.Items.AddRange(notCalculatedExpressions);
/*show variable list into form control*/
VariableList.Items.Clear();
VariableList.Items.AddRange(variables);
Int32 selectedIndex = ExpressionList.SelectedIndex;
if (selectedIndex >= 0)
{
String markedExpression = ExpressionList.GetItemText(ExpressionList.Items[selectedIndex]);
ResultLabel.Text = (calculatedExpressions.ContainsKey(markedExpression))
? String.Format("Result = {0}", calculatedExpressions[markedExpression])
: String.Format("Expression is not calculated");
}
else
{
ResultLabel.Text = (calculatedExpressions.Count > 0)
? String.Format("Result = {0}", calculatedExpressions.Last().Value)
: String.Format("Not exist calculated expressions");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
