If the project created in the Session 1 is not open, open it with File | Open Project.
Click the small triangle just to the left of the name Scribble.exe in the summary window. This will expand the list of directories that contain the source files for the sample.
Double-click on the column separator just to the left of the File column label. This will cause the Folder column to expand to the width needed to show all the names. Drag the column separator back to narrow the column if needed to view other columns.
Expand the list of source files for the folder that starts "C:\Develop" by clicking on the small triangle to the left of its name.
Likewise, expand the procedure list for the file ScribbleView.cpp. Adjust column widths as necessary.
Find the procedure CScribbleView::OnLButtonUp (note that the list is alphabetical). Usually, you will find that 98% of the procedure is executed.
Double-click on the CScribbleView::OnLButtonUp procedure (or anywhere on its line) in the summary window. This will open a source window, scrolled so that procedure is near the top.
In the source window, coloring is used to show what lines of code have been executed. Green is used for Hit, red is used for Missed, and black is used when there is no code for that line. Usually, the entire OnLButtonUp procedure is green except for the second line, a 'return' statement, that is red.
To see an alternative way of opening a source window, select File | Open Source... . You will get the Open Source dialog.
In the dialog, find the drop-down list box labeled Folder. Click the drop-down arrow and select the folder that starts "C:\Develop". This will reduce the number of files in the File Name list box to just those in that folder.
Select ScribbleDoc.cpp in the File Name list box and click OK. A new source window for that file will open.