I need to develop some custom tools on map..such as zoom in, zoom out, filters and many more.
I need to develop this in silverlight .
I don't know where to start from.
How to proceed?
Currently I have VS 2010
Web AppBuilder Developer Edition – Customization Resource List (disclosure, my blog)
But Web AppBuilder for ArcGIS (Developer Edition) | ArcGIS for Developers is the official page.
I code in VB.NET so if you want or need to convert the code to C#, you can do it here: Convert C# to VB.NET - A free code conversion tool - developer Fusion
Here is a screen recording that I show you how to create a single page site in Visual Studio and then run a code example by Esri. You may want to turn the volume of your PC up while listening.
You can check out the Esri tutorial how to create the page in steps: