private void btnDate_Click(object sender, EventArgs e)
{
ArrayList obj = new ArrayList();
clsContext objContext = new clsContext(txtDateFormat.Text.Trim());
string[] strArray = objContext.strExpression.Split(' ');
foreach (string strTemp in strArray)
{
if (strTemp == "MM")
{
obj.Add(new clsMonthExpression());
}
else if (strTemp == "DD")
{
obj.Add(new clsDayExpression());
}
else if (strTemp == "YYYY")
{
obj.Add(new clsYearExpression());
}
}
obj.Add(new clsSeperator());
foreach (clsAbstractExpression objAbstract in obj)
{
objAbstract.Evaluate(objContext);
}
MessageBox.Show(objContext.strExpression);
}
public override void Evaluate(clsContext objContext)
{
string strTemp = objContext.strExpression;
objContext.strExpression = strTemp.Replace(" ", "-");
}
public abstract void Evaluate(clsContext objContext);
public override void Evaluate(clsContext objContext)
{
string strTemp = objContext.strExpression;
objContext.strExpression = strTemp.Replace("DD", DateTime.Now.Day.ToString());
}