7. Property value inheritance 8. Default value. Step 2: Evaluate 如果Step1设置的Value是个表达式(Value 是 System.Windows.Expression),WPF需要先计算该表达式。 Step 3: Apply Animations 如果该DependencyProperty 被animation影响,此Animation产生的Value会冲掉它本身的value,其实这就是WPF中动画最优先原理。 Step...
set { SetValue(ValueProperty, value); } 代码语言:javascript 代码运行次数:0 运行 AI代码解释 } 代码语言:javascript 代码运行次数:0 运行 代码语言:javascript 代码运行次数:0 运行 AI代码解释 private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 代码语言:javascript 代码运...
Default value from dependency property metadata A dependency property can have a default value set during property system registration of that property. Derived classes that inherit a dependency property can override dependency property metadata (including the default value) on a per-type basis. For mo...
value);}publicstringImageSource{get=>(string)GetValue(ImageSourceProperty);set=>SetValue(ImageSource...
我曾经提到过DependencyProperty的“优先级别”,MSDN链接:DependencyPropertyValue Precedence MSDN这篇文档中列举了10个获取值得优先级别,其中拥有最高优先级的是"Property system coercion",而拥有最低优先级的是Default value from dependency property metadata,你应该发现,这两项正是在Metadata中的CoerceValueCallback和Defau...
Learn how the precedence of different property-based inputs within the WPF property system determines the effective value of a dependency property.
Learn about dependency property metadata in Windows Presentation Foundation (WPF) and how to create, assign, and override metadata.
Learn how dependency property value inheritance can be used to propagate property values in Windows Presentation Foundation (WPF).
publicclassCanvas_IsTransparentInheritEnabled:Canvas{// Register an attached dependency property with the specified// property name, property type, owner type, and property metadata// (default value is 'false' and property value inheritance is enabled).publicstaticreadonlyDependencyProperty IsTransparentPro...
publicclassAquarium:DependencyObject{// Register a dependency property with the specified property name,// property type, owner type, and property metadata.publicstaticreadonlyDependencyProperty AquariumGraphicProperty = DependencyProperty.Register( name:"AquariumGraphic", ...