[英]How to bind Custom attached property to CheckBox.IsChekedProperty in code behind?
我有附加的屬性,我想將此綁定到CheckBox.IsCheckedProperty。
public static object GetIsCheckedState(DependencyObject obj)
{
return (object)obj.GetValue(IsCheckedStateProperty);
}
public static void SetIsCheckedState(DependencyObject obj, object value)
{
obj.SetValue(IsCheckedStateProperty, value);
}
// Using a DependencyProperty as the backing store for IsCheckedState. This enables animation, styling, binding, etc...
public static readonly DependencyProperty IsCheckedStateProperty =
DependencyProperty.RegisterAttached("IsCheckedState", typeof(object), typeof(GridCellCheckBoxRenderer), new PropertyMetadata(null,OnIsCheckedStateChanged));
private static void OnIsCheckedStateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var checkBox = d as CheckBox;
checkBox.IsChecked = (bool?)e.NewValue;
}
uiElement.SetBinding(CheckBox.IsCheckedProperty, new Binding() { Path = new PropertyPath("IsCheckedState"), Source = uiElement});
像上面那樣在UWP中綁定附加屬性的正確方法是正確的嗎?
我不明白您的用例是什么? 您可以在xaml中設置AttachedProperty並將其綁定到某些源:
<Checkbox attProp:AttachedPropertiesClassName.AttachedProperty="<your binding>" />
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