Repro Steps:

1) Create a Page
2) Select the Root Grid from the Navigator
3) Set the Horizontal Alignment of the RootGrid to 'LeftAligned'
4) Set the Horizontal Alignment of the RootGrid back to 'Stretch'
5) Set the Horizontal Alignment of the RootGrid back to 'LeftAligned'
6) Do not click anywhere else with the mouse before the next step.
7) Hold [Shift] and ArrowKey leftward twice.

Observe how the XAML Code View appears on-screen.

8) Hold [Shift] and press the ArrowKey leftward once.

Observe how the XAML Code View disappears from the screen.

Expected Results: The XAML Code View should not appear when the [Shift]+Arrow Element Big Move Shortcut is used.