///
internal override void SetValueCore(double val)
{
double horizontalPercent = -1;
double verticalPercent = -1;
ScrollBar sb = Owner as ScrollBar;
ScrollViewer sv = sb.TemplatedParent as ScrollViewer;
if (sv == null)
{
base.SetValueCore(val);
}
else
{
if (sb.Orientation == Orientation.Horizontal)
{
horizontalPercent = (val / (sv.ExtentWidth - sv.ViewportWidth)) * 100;
}
else
{
verticalPercent = (val / (sv.ExtentHeight - sv.ViewportHeight)) * 100;
}
ScrollViewerAutomationPeer svAP = UIElementAutomationPeer.FromElement(sv) as ScrollViewerAutomationPeer;
IScrollProvider scrollProvider = svAP as IScrollProvider;
scrollProvider.SetScrollPercent(horizontalPercent, verticalPercent);
}
}
// Token: 0x060027D3 RID: 10195 RVA: 0x000BAACC File Offset: 0x000B8CCC
internal override void SetValueCore(double val)
{
double horizontalPercent = -1.0;
double verticalPercent = -1.0;
ScrollBar scrollBar = base.Owner as ScrollBar;
ScrollViewer scrollViewer = scrollBar.TemplatedParent as ScrollViewer;
if (scrollViewer == null)
{
base.SetValueCore(val);
return;
}
if (scrollBar.Orientation == Orientation.Horizontal)
{
horizontalPercent = val / (scrollViewer.ExtentWidth - scrollViewer.ViewportWidth) * 100.0;
}
else
{
verticalPercent = val / (scrollViewer.ExtentHeight - scrollViewer.ViewportHeight) * 100.0;
}
ScrollViewerAutomationPeer scrollViewerAutomationPeer = UIElementAutomationPeer.FromElement(scrollViewer) as ScrollViewerAutomationPeer;
IScrollProvider scrollProvider = scrollViewerAutomationPeer;
scrollProvider.SetScrollPercent(horizontalPercent, verticalPercent);
}
private void BtnSetScrollPercent_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
EnsureAutomationPeer();
if (scrollPresenterAutomationPeer != null)
{
scrollPresenterAutomationPeer.SetScrollPercent(
Math.Min(100.0, scrollPresenterAutomationPeer.HorizontalScrollPercent + 10.0),
Math.Min(100.0, scrollPresenterAutomationPeer.VerticalScrollPercent + 15.0));
}
}
/// <summary>
/// Scrolls a DataGridRow into view.
/// </summary>
/// <param name="itemsControl">The DataGrid containing the row.</param>
/// <param name="itemContainer">The DataGridRow object.</param>
protected override void ScrollIntoView(DataGrid itemsControl, DataGridRow itemContainer)
{
IScrollProvider scrollInfo = (IScrollProvider)DataGridAutomationPeer.CreatePeerForElement(itemsControl);
double horizontalScrollPercentBeforeScroll = scrollInfo.HorizontalScrollPercent;
double verticalScrollPercentBeforeScroll = scrollInfo.VerticalScrollPercent;
itemsControl.ScrollIntoView(itemContainer.DataContext, null);
double horizontalScrollPercentAfterScroll = scrollInfo.HorizontalScrollPercent;
double verticalScrollPercentAfterScroll = scrollInfo.VerticalScrollPercent;
double horizontalDiff = horizontalScrollPercentAfterScroll - horizontalScrollPercentBeforeScroll;
double verticalDiff = verticalScrollPercentAfterScroll - verticalScrollPercentBeforeScroll;
scrollInfo.SetScrollPercent(scrollInfo.HorizontalScrollPercent + (horizontalDiff / 2.0), scrollInfo.VerticalScrollPercent + (verticalDiff / 2.0));
}
public void SetScrollPercent(double horizontalPercent, double verticalPercent)
{
_scroller?.SetScrollPercent(horizontalPercent, verticalPercent);
}
public bool SetCurrentValue(GLib.Value value)
{
double v = (double)value.Val;
if (rangeValueProvider != null)
{
if (v > rangeValueProvider.Maximum)
{
return(false);
}
if (v < rangeValueProvider.Minimum)
{
v = rangeValueProvider.Minimum;
}
try {
rangeValueProvider.SetValue(v);
} catch (ArgumentOutOfRangeException e) {
Log.Debug(e);
return(false);
} catch (ElementNotEnabledException e) {
Log.Debug(e);
return(false);
}
return(true);
}
if (parentScrollProvider == null)
{
GetScrollProviderFromParent();
}
//TODO: This double validation will be removed in future versions because
//if your SWF.ScrollBar.Parent doesn't support IScrollProvider then your
//ScrollBar is not ScrollBar is Pane!!
if (parentScrollProvider == null)
{
return(false);
}
if (orientation == OrientationType.Vertical)
{
try {
parentScrollProvider.SetScrollPercent(parentScrollProvider.HorizontalScrollPercent, v);
} catch (ArgumentOutOfRangeException e) {
Log.Debug(e);
return(false);
}
}
else
{
try {
parentScrollProvider.SetScrollPercent(v, parentScrollProvider.VerticalScrollPercent);
} catch (ArgumentOutOfRangeException e) {
Log.Debug(e);
return(false);
}
}
return(true);
}
public void SetScrollPercent(double horizontalPercent, double verticalPercent)
{
provider.SetScrollPercent(horizontalPercent, verticalPercent);
}
