NCTFinancialChart.NET is the pure .NET class library, which allows you to build desktop or web based financial charting applications.

NCTFinancialChart.NET class allows you to: download financial data from web servers; import financial data from text files; store your financial data in MDB or SQL Server database; generate chart using existing financial data; manipulate with different chart indicators; save chart to Bitmap or image file.

You can safely use NCTFinancialChart.NET functionality from any .NET compatible language.
With NCTFinancialChart.NET you get examples for VB.NET and C#.NET which demonstrates how to use NCTFinancialChart.NET features.