本文整理匯總了C#中System.Windows.FrameworkElement.PredictFocus方法的典型用法代碼示例。如果您正苦於以下問題:C# FrameworkElement.PredictFocus方法的具體用法?C# FrameworkElement.PredictFocus怎麽用?C# FrameworkElement.PredictFocus使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了FrameworkElement.PredictFocus方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: OnPredictFocus
private void OnPredictFocus(object sender, RoutedEventArgs e)
{
DependencyObject predictionElement = null;
UIElement elementWithFocus = Keyboard.FocusedElement as UIElement;
if (elementWithFocus != null)
{
// Only these four directions are currently supported
// by PredictFocus, so we need to filter on these only.
if ((_focusMoveValue == FocusNavigationDirection.Up) ||
(_focusMoveValue == FocusNavigationDirection.Down) ||
(_focusMoveValue == FocusNavigationDirection.Left) ||
(_focusMoveValue == FocusNavigationDirection.Right))
{
// Get the element which would receive focus if focus were changed.
predictionElement = elementWithFocus.PredictFocus(_focusMoveValue);
Control controlElement = predictionElement as Control;
// If a ContentElement.
if (controlElement != null)
{
controlElement.Foreground = Brushes.DarkBlue;
controlElement.FontSize += 10;
controlElement.FontWeight = FontWeights.ExtraBold;
// Fields used to reset the UI when the mouse
// button is released.
_focusPredicted = true;
_predictedControl = controlElement;
}
}
}
}