Vector.Length 屬性

定義

命名空間:

System.Windows

組件:

WindowsBase.dll

取得這個向量的長度。

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

public double Length { get; }

member this.Length : double

Public ReadOnly Property Length As Double

屬性值

Double

這個向量的長度。

範例

下列範例示範如何使用這個屬性來取得向量的長度。

private Double lengthExample()
{  

    Vector vector1 = new Vector(20, 30);

    // Get the length of the vector.
    // length is approximately equal to 36.0555
    Double lengthResult = vector1.Length;

    return lengthResult;
}

Private Function lengthExample() As Double

    Dim vector1 As New Vector(20, 30)

    ' Get the length of the vector.
    ' length is approximately equal to 36.0555
    Dim lengthResult As Double = vector1.Length

    Return lengthResult

End Function

備註

向量的長度有時稱為大小。