Quick Watch Command (Debug Menu)
Displays the Quick Watch dialog box with the current value of the selected expression. Use this command to check the current value of a variable, property, or other expression for which you have not defined a watch expression. Select the expression from either the Code window or the Immediate window, and then choose the Quick Watch command. To add a watch expression based on the expression in the Quick Watch dialog box, choose the Add button.
Toolbar shortcut: 
. Keyboard shortcut: SHIFT+F9.