IScrollInfo.ViewportHeight 屬性

public:
 property double ViewportHeight { double get(); };

public double ViewportHeight { get; }

member this.ViewportHeight : double

Public ReadOnly Property ViewportHeight As Double

屬性值

A Double 代表該內容視窗垂直大小（以裝置無關像素計）。 此房產無預設價值。