/// <summary>
/// Handle keys related to scrolling.
/// </summary>
/// <param name="key">The key to handle.</param>
/// <returns>A value indicating whether the key was handled.</returns>
private bool HandleScrollKeys(Key key)
{
ScrollViewer scrollHost = ItemsControlHelper.ScrollHost;
if (scrollHost != null)
{
switch (key)
{
case Key.PageUp:
// Move horizontally if we've run out of room vertically
if (!NumericExtensions.IsGreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageLeft();
}
else
{
scrollHost.PageUp();
}
return(true);
case Key.PageDown:
// Move horizontally if we've run out of room vertically
if (!NumericExtensions.IsGreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageRight();
}
else
{
scrollHost.PageDown();
}
return(true);
case Key.Home:
scrollHost.ScrollToTop();
return(true);
case Key.End:
scrollHost.ScrollToBottom();
return(true);
case Key.Left:
scrollHost.LineLeft();
return(true);
case Key.Right:
scrollHost.LineRight();
return(true);
case Key.Up:
scrollHost.LineUp();
return(true);
case Key.Down:
scrollHost.LineDown();
return(true);
}
}
return(false);
}
/// <summary>
/// Handle keys related to scrolling.
/// </summary>
/// <param name="key">The key to handle.</param>
/// <returns>A value indicating whether the key was handled.</returns>
private bool HandleScrollKeys(Key key)
{
ScrollViewer scrollHost = ItemsControlHelper.ScrollHost;
if (scrollHost != null)
{
// Some keys (e.g. Left/Right) need to be translated in RightToLeft mode
Key invariantKey = InteractionHelper.GetLogicalKey(FlowDirection, key);
switch (invariantKey)
{
case Key.PageUp:
// Move horizontally if we've run out of room vertically
if (!NumericExtensions.IsGreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageLeft();
}
else
{
scrollHost.PageUp();
}
return(true);
case Key.PageDown:
// Move horizontally if we've run out of room vertically
if (!NumericExtensions.IsGreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageRight();
}
else
{
scrollHost.PageDown();
}
return(true);
case Key.Home:
scrollHost.ScrollToTop();
return(true);
case Key.End:
scrollHost.ScrollToBottom();
return(true);
case Key.Left:
scrollHost.LineLeft();
return(true);
case Key.Right:
scrollHost.LineRight();
return(true);
case Key.Up:
scrollHost.LineUp();
return(true);
case Key.Down:
scrollHost.LineDown();
return(true);
}
}
return(false);
}
private bool HandleScrollKeys(Key key)
{
ScrollViewer scroller = ScrollHost;
if (scroller != null)
{
bool invert = (FlowDirection == FlowDirection.RightToLeft);
switch (key)
{
case Key.Up:
scroller.LineUp();
return(true);
case Key.Down:
scroller.LineDown();
return(true);
case Key.Left:
if (invert)
{
scroller.LineRight();
}
else
{
scroller.LineLeft();
}
return(true);
case Key.Right:
if (invert)
{
scroller.LineLeft();
}
else
{
scroller.LineRight();
}
return(true);
case Key.Home:
scroller.ScrollToTop();
return(true);
case Key.End:
scroller.ScrollToBottom();
return(true);
case Key.PageUp:
//if vertically scrollable - go vertical, otherwise horizontal
if (DoubleUtil.GreaterThan(scroller.ExtentHeight, scroller.ViewportHeight))
{
scroller.PageUp();
}
else
{
scroller.PageLeft();
}
return(true);
case Key.PageDown:
//if vertically scrollable - go vertical, otherwise horizontal
if (DoubleUtil.GreaterThan(scroller.ExtentHeight, scroller.ViewportHeight))
{
scroller.PageDown();
}
else
{
scroller.PageRight();
}
return(true);
}
}
return(false);
}
// Token: 0x060058E9 RID: 22761 RVA: 0x00189730 File Offset: 0x00187930
private bool HandleScrollKeys(Key key)
{
ScrollViewer scrollHost = base.ScrollHost;
if (scrollHost != null)
{
bool flag = base.FlowDirection == FlowDirection.RightToLeft;
switch (key)
{
case Key.Prior:
if (DoubleUtil.GreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageUp();
}
else
{
scrollHost.PageLeft();
}
return(true);
case Key.Next:
if (DoubleUtil.GreaterThan(scrollHost.ExtentHeight, scrollHost.ViewportHeight))
{
scrollHost.PageDown();
}
else
{
scrollHost.PageRight();
}
return(true);
case Key.End:
scrollHost.ScrollToBottom();
return(true);
case Key.Home:
scrollHost.ScrollToTop();
return(true);
case Key.Left:
if (flag)
{
scrollHost.LineRight();
}
else
{
scrollHost.LineLeft();
}
return(true);
case Key.Up:
scrollHost.LineUp();
return(true);
case Key.Right:
if (flag)
{
scrollHost.LineLeft();
}
else
{
scrollHost.LineRight();
}
return(true);
case Key.Down:
scrollHost.LineDown();
return(true);
}
}
return(false);
}
