You can add existing files to the project, as follows: 
	 
 
	  
		- Right-click the project in the Solution Explorer. 
		
- Click 
		  Add>Existing Item. 
		
- Browse to the 
		  %ProgramFiles(x86)%\Micro Focus\Studio Enterprise Edition x.x\Examples\Visual Studio Integration\Tutorials\Locking. 
		
- Select all 
		  .cbl files. 
		
- Click 
		  Add. 
		
Alternatively, you can add folders and source files to your project in Solution Explorer using drag and drop. You can drag files and folders from other projects in Solution Explorer or from outside Visual Studio from Windows Explorer. You can use drag and drop with the following keys: 
	 
 
	  
		-  Hold 
		  Ctrl to create copies of the files and folders in your project directory 
		
- Hold 
		  Shift to move the files and folders to your project directory 
		
- Hold 
		  Ctrl+Shift to link to files or folders in a different location without copying them