Layout.ShouldInvalidateOnChildAdded(View) 方法

定义

命名空间:

Microsoft.Maui.Controls.Compatibility

程序集:

Microsoft.Maui.Controls.dll

Source:

Layout.cs

注意

If you want to influence invalidation override InvalidateMeasureOverride

实现时，应返回true在child添加时应调用InvalidateMeasure()，如果不应调用InvalidateMeasure()，则返回false。 默认值为 true。

protected:
 virtual bool ShouldInvalidateOnChildAdded(Microsoft::Maui::Controls::View ^ child);

[System.Obsolete("If you want to influence invalidation override InvalidateMeasureOverride")]
protected virtual bool ShouldInvalidateOnChildAdded (Microsoft.Maui.Controls.View child);

[<System.Obsolete("If you want to influence invalidation override InvalidateMeasureOverride")>]
abstract member ShouldInvalidateOnChildAdded : Microsoft.Maui.Controls.View -> bool
override this.ShouldInvalidateOnChildAdded : Microsoft.Maui.Controls.View -> bool

Protected Overridable Function ShouldInvalidateOnChildAdded (child As View) As Boolean

参数

child

View

要指定是否跟踪失效的子级。

返回

Boolean

true如果应调用，则为 child;否则为 <a0/a0;。false

属性

ObsoleteAttribute