public override bool Show(DisplayTextPoint point, HowToShow howToShow)
{
if (howToShow == HowToShow.AsIs)
{
_textView.ViewScroller.EnsureSpanVisible(new SnapshotSpan(point.AdvancedTextPoint, 0), EnsureSpanVisibleOptions.MinimumScroll);
}
else if (howToShow == HowToShow.Centered)
{
_textView.ViewScroller.EnsureSpanVisible(new SnapshotSpan(point.AdvancedTextPoint, 0), EnsureSpanVisibleOptions.AlwaysCenter);
}
else if (howToShow == HowToShow.OnFirstLineOfView)
{
_textView.DisplayTextLineContainingBufferPosition(point.AdvancedTextPoint, 0.0, ViewRelativePosition.Top);
}
return(point.IsVisible);
}
public override VisibilityState Show(DisplayTextRange textRange, HowToShow howToShow)
{
if (howToShow == HowToShow.AsIs)
{
_textView.ViewScroller.EnsureSpanVisible(textRange.AdvancedTextRange, EnsureSpanVisibleOptions.MinimumScroll);
}
else if (howToShow == HowToShow.Centered)
{
_textView.ViewScroller.EnsureSpanVisible(textRange.AdvancedTextRange, EnsureSpanVisibleOptions.AlwaysCenter);
}
else if (howToShow == HowToShow.OnFirstLineOfView)
{
_textView.DisplayTextLineContainingBufferPosition(textRange.AdvancedTextRange.Start, 0.0, ViewRelativePosition.Top);
}
return(textRange.Visibility);
}
/// <summary> /// When implemented in a derived class, shows the <paramref name="textRange"/> in the view. /// </summary> /// <param name="textRange">The <see cref="TextRange"/> to display.</param> /// <param name="howToShow">How the point should be displayed on the screen.</param> /// <returns>The <see cref="VisibilityState"/> that describes how the range was actually displayed.</returns> public abstract VisibilityState Show(DisplayTextRange textRange, HowToShow howToShow);
/// <summary> /// When implemented in a derived class, shows the <paramref name="point"/> in the view. /// </summary> /// <param name="point">The point to display.</param> /// <param name="howToShow">How the point should be displayed on the screen.</param> /// <returns><c>true</c> if the point was actually displayed, otherwise <c>false</c>.</returns> public abstract bool Show(DisplayTextPoint point, HowToShow howToShow);
