VisualElement.OnMeasure(Double, Double) 方法

定義

命名空間:

Microsoft.Maui.Controls

組件:

Microsoft.Maui.Controls.dll

配置度量發生時所呼叫的方法。

protected:
 virtual Microsoft::Maui::SizeRequest OnMeasure(double widthConstraint, double heightConstraint);

protected virtual Microsoft.Maui.SizeRequest OnMeasure (double widthConstraint, double heightConstraint);

abstract member OnMeasure : double * double -> Microsoft.Maui.SizeRequest
override this.OnMeasure : double * double -> Microsoft.Maui.SizeRequest

Protected Overridable Function OnMeasure (widthConstraint As Double, heightConstraint As Double) As SizeRequest

參數

widthConstraint

Double

所要求的寬度條件約束。

heightConstraint

Double

所要求的高度條件約束。

傳回

SizeRequest

專案所需的要求大小，才能顯示在裝置上。