Here is one quick tips to hide Visual Studio Intellisense window to view the covered source code by the particular Intellisense popup. When we are working in Visual Studio and the IntelliSense window comes up, but we may want to view the code that is covered by the window. Here you go, Press the Ctrl key. Intellisense window becomes transparent and you can easily view your source code. Hold the Ctrl as long as you want them to be transparent. You can do it while debugging your application or writing code.
Below is the few snaps for the the same.
1. View Code By Hiding Intellisense Window During coding