private void BtnSetValues_Click(object sender, RoutedEventArgs e)
{
try
{
IScrollController sc = scrollBar2 as IScrollController;
sc.SetValues(
Convert.ToDouble(txtMinOffset.Text),
Convert.ToDouble(txtMaxOffset.Text),
Convert.ToDouble(txtOffset.Text),
Convert.ToDouble(txtViewport.Text));
}
catch (Exception ex)
{
txtExceptionReport.Text = ex.ToString();
lstScrollBar2Events.Items.Add(ex.ToString());
}
}
public void VerifyScrollControllerImplementation()
{
RunOnUIThread.Execute(() =>
{
ScrollBar2 scrollBar2 = new ScrollBar2();
Verify.IsNotNull(scrollBar2);
IScrollController scrollBar2AsIScrollController = scrollBar2 as IScrollController;
Verify.IsNotNull(scrollBar2AsIScrollController);
Log.Comment("Verifying ScrollBar2's IScrollController default property values");
Verify.IsTrue(scrollBar2AsIScrollController.AreScrollerInteractionsAllowed);
Verify.IsNull(scrollBar2AsIScrollController.InteractionVisual);
Verify.AreEqual(scrollBar2AsIScrollController.InteractionVisualScrollOrientation, c_defaultOrientation);
Verify.AreEqual(scrollBar2AsIScrollController.InteractionVisualScrollRailingMode, ScrollerRailingMode.Enabled);
Verify.IsFalse(scrollBar2AsIScrollController.IsInteracting);
Log.Comment("Invoking ScrollBar2's IScrollController.SetValues method");
scrollBar2AsIScrollController.SetValues(10.0, 250.0, 75.0, 30.0);
});
}
private void BtnCreateScrollBar2_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
scrollBar2 = new ScrollBar2();
scrollBar2.Name = "dynamicScrollBar2";
scrollBar2.Width = 300.0;
scrollBar2.Height = 16.0;
scrollBar2.Margin = new Thickness(6);
scrollBar2.VerticalAlignment = VerticalAlignment.Top;
scrollBar2.Orientation = Orientation.Horizontal;
IScrollController sc = scrollBar2 as IScrollController;
if (sc != null)
{
sc.SetValues(1, 2, 3, 4);
}
btnCreateScrollBar2.IsEnabled = false;
btnAddScrollBar2.IsEnabled = true;
btnDeleteScrollBar2.IsEnabled = true;
}
private void UpdateOffsets(Point cumulativeTranslation, bool clamp = false)
{
double newHorizontalOffset = preManipulationHorizontalOffset - cumulativeTranslation.X;
double newVerticalOffset = preManipulationVerticalOffset - cumulativeTranslation.Y;
if (clamp)
{
newHorizontalOffset = Math.Max(0.0, newHorizontalOffset);
newVerticalOffset = Math.Max(0.0, newVerticalOffset);
newHorizontalOffset = Math.Min(GetHorizontalMaxOffset(), newHorizontalOffset);
newVerticalOffset = Math.Min(GetVerticalMaxOffset(), newVerticalOffset);
}
Canvas.SetLeft(scrolledElement, -newHorizontalOffset);
Canvas.SetTop(scrolledElement, -newVerticalOffset);
SetHorizontalOffset(newHorizontalOffset);
SetVerticalOffset(newVerticalOffset);
if (horizontalScrollController != null)
{
horizontalScrollController.SetValues(
0.0 /*minOffset*/,
GetHorizontalMaxOffset() /*maxOffset*/,
GetHorizontalOffset() /*offset*/,
GetHorizontalViewport() /*viewport*/);
}
if (verticalScrollController != null)
{
verticalScrollController.SetValues(
0.0 /*minOffset*/,
GetVerticalMaxOffset() /*maxOffset*/,
GetVerticalOffset() /*offset*/,
GetVerticalViewport() /*viewport*/);
}
}
