The “Drop Marker Before Jump” feature is intended to help you easily navigate back at the source location after the “Go to Definition” Visual Studio command is performed. It drops a marker at the text caret location, before you jump to the definition. After you finish navigation to the definitions, pressing the Esc key will move you back to each location you have visited.
Markers are navigation placeholders that remember important locations inside your source code you’ll need to move to in the future. In most cases, they look like little triangular glyphs in the IDE’s code editor:
Markers are stack-based. When you collect a marker, it pops off the stack. You can jump back at any time to the top marker on the stack by pressing Esc key (or Alt+End).
CodeRush Pro has great Markers support, but, unfortunately, CodeRush Xpress lacks it – you can’t drop them manually using the Alt+Home shortcut. Here’s an example of how you can work around this limitation.
1. Create a new DXCore plug-in via the File -> New -> Project… -> Visual C# -> DXCore -> Standard Plug-in item. Enter a name of the plug-in if necessary and click OK: