BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
iconPainter = new GridIconPaint("CellButtons.", typeof(EllipsisCellButton).Assembly);
The "CellButtons." listed there should be changed to the namespace for your project (where the resources are embedded). If you are using VB, then you need to open the projects properties to see the name of the default namespace.