ScrollViewer.ContentHorizontalOffset Property    
Definition
Important
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Gets the horizontal offset of the visible content.
public:
 property double ContentHorizontalOffset { double get(); };public double ContentHorizontalOffset { get; }member this.ContentHorizontalOffset : doublePublic ReadOnly Property ContentHorizontalOffset As DoubleProperty Value
The horizontal offset of the visible content.
Remarks
When IsDeferredScrollingEnabled is true, the content is scrolled when the user releases the Thumb of the ScrollBar.  When the user drags the Thumb, the ContentHorizontalOffset value does not change.   When the user releases the Thumb, ContentHorizontalOffset updates to the current HorizontalOffset value.
When IsDeferredScrollingEnabled is false, the content is scrolled when the user drags the Thumb.  In this case, ContentVerticalOffset is always equal to HorizontalOffset.