In order to start writing your first line of code with the TestResults.io designer you need to first add a test case to your solution. To do so follow the steps below
Open the Visual Studio Solution Explorer
Right click on the Solution (top node)
Select the TestResults.io context menu
Select the New Test Case project option
Depending on your license type you will be able to either manually enter the details of the test case or add a test case from the TestResults.io portal.
If you have already established a connection with the TestResults.io portal (see Connections chapter for more details) you can add a test case from the portal directly to your solution. Once you have select the New test case project option you will be prompted with the following window:
where you will be able to select the desired test case and its revision from the dropdown lists. Once you have selected the TC simply press the Add button.
Once you have successfully added a new test case to your solution you will it in the Solution Explorer as follows:
If you want to star working with your first test case simply open the generated class (.cs file). The details of how the test case class is build can be found in the next chapter - Test Case structure.