private void ProcessCategoryData() {
_categoryValues.Clear();
if (this.DataSource != null && !string.IsNullOrEmpty(CategoryValueMemberPath)) {
BindingEvaluator eval = new BindingEvaluator(CategoryValueMemberPath);
foreach (object dataItem in this.DataSource) {
_categoryValues.Add(eval.Eval(dataItem).ToString());
}
}
}
private void SetData() {
titles.Clear();
values.Clear();
if (!string.IsNullOrEmpty(TitleMemberPath) && !string.IsNullOrEmpty(ValueMemberPath)) {
BindingEvaluator titleEval = new BindingEvaluator(TitleMemberPath);
BindingEvaluator valueEval = new BindingEvaluator(ValueMemberPath);
foreach (object dataItem in this.DataSource) {
titles.Add(titleEval.Eval(dataItem).ToString());
values.Add(Convert.ToDouble(valueEval.Eval(dataItem)));
if (dataItem is INotifyPropertyChanged) {
(dataItem as INotifyPropertyChanged).PropertyChanged -= OnDataSourceItemPropertyChanged;
(dataItem as INotifyPropertyChanged).PropertyChanged += new PropertyChangedEventHandler(OnDataSourceItemPropertyChanged);
}
}
total = values.Sum();
}
}