private void RectangleSelection_LayoutUpdated(object sender, object e)
{
if (scrollViewer == null)
{
scrollViewer = DependencyObjectHelpers.FindChild <ScrollViewer>(uiElement, sv => sv.VerticalScrollMode != ScrollMode.Disabled);
}
if (scrollViewer != null)
{
uiElement.LayoutUpdated -= RectangleSelection_LayoutUpdated;
}
}
private void RectangleSelection_LayoutUpdated(object sender, object e)
{
if (scrollViewer == null)
{
scrollViewer = DependencyObjectHelpers.FindChild <ScrollViewer>(uiElement);
}
if (scrollViewer != null)
{
uiElement.LayoutUpdated -= RectangleSelection_LayoutUpdated;
}
}
private async void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(ViewModel.SelectedElementTheme))
{
foreach (var theme in ViewModel.CustomThemes)
{
var container = AppThemeSelectionGridView.ContainerFromItem(theme);
if (container != null)
{
var item = DependencyObjectHelpers.FindChild <ThemeSampleDisplayControl>(container);
if (item != null)
{
await item.ReevaluateThemeResourceBinding();
}
}
}
}
}
private void InitEvents(object sender, RoutedEventArgs e)
{
if (!uiElement.IsLoaded)
{
uiElement.Loaded += InitEvents;
}
else
{
uiElement.Loaded -= InitEvents;
uiElement.PointerPressed += RectangleSelection_PointerPressed;
uiElement.PointerReleased += RectangleSelection_PointerReleased;
uiElement.PointerCaptureLost += RectangleSelection_PointerReleased;
uiElement.PointerCanceled += RectangleSelection_PointerReleased;
uiElement.LoadingRow += RectangleSelection_LoadingRow;
uiElement.UnloadingRow += RectangleSelection_UnloadingRow;
scrollBar = DependencyObjectHelpers.FindChild <ScrollBar>(uiElement);
}
}
private void InitEvents(object sender, RoutedEventArgs e)
{
if (!uiElement.IsLoaded)
{
uiElement.Loaded += InitEvents;
}
else
{
uiElement.Loaded -= InitEvents;
uiElement.PointerPressed += RectangleSelection_PointerPressed;
uiElement.PointerReleased += RectangleSelection_PointerReleased;
uiElement.PointerCaptureLost += RectangleSelection_PointerReleased;
uiElement.PointerCanceled += RectangleSelection_PointerReleased;
scrollViewer = DependencyObjectHelpers.FindChild <ScrollViewer>(uiElement, sv => sv.VerticalScrollMode != ScrollMode.Disabled);
if (scrollViewer == null)
{
uiElement.LayoutUpdated += RectangleSelection_LayoutUpdated;
}
}
}