Understanding symbol files and Visual Studio’s symbol settings

This post details the fundamental concepts of symbol files (.pdb) and their importance for debugging and diagnostic tools in Visual Studio. It explains how symbol files are generated, what they contain, and why they are necessary for correlating machine code to source code. The post outlines Visual Studio's default symbol loading behavior, how to identify when symbols are not loaded, and provides a comprehensive guide to configuring Visual Studio's symbol settings, including symbol file locations, caching, and automatic loading options. It also covers manual symbol loading techniques and troubleshooting common symbol loading issues.