Vector.Multiply Operatore

public:
 static System::Windows::Vector operator *(System::Windows::Vector vector, System::Windows::Media::Matrix matrix);

public static System.Windows.Vector operator *(System.Windows.Vector vector, System.Windows.Media.Matrix matrix);

static member ( * ) : System.Windows.Vector * System.Windows.Media.Matrix -> System.Windows.Vector

Public Shared Operator * (vector As Vector, matrix As Matrix) As Vector

Parametri

Valori restituiti

Risultato della trasformazione in vector base a matrix.

Esempio

Nell'esempio seguente viene illustrato come utilizzare questo operatore (*) per moltiplicare una Vector struttura per una Matrix struttura.

private Vector overloadedMultiplyVectorByMatrixOperatorExample()
{
    Vector vector1 = new Vector(20, 30);
    Matrix matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
    Vector vectorResult = new Vector();

    // Multiply the vector and matrix.
    // vectorResult is equal to (2600,3100).
    vectorResult = vector1 * matrix1;

    return vectorResult;
}

Private Function overloadedMultiplyVectorByMatrixOperatorExample() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim matrix1 As New Matrix(40, 50, 60, 70, 80, 90)
    Dim vectorResult As New Vector()

    ' Multiply the vector and matrix.
    ' vectorResult is equal to (2600,3100).
    vectorResult = vector1 * matrix1

    Return vectorResult

End Function

Vedi anche

• Multiply(Double, Vector)

public:
 static double operator *(System::Windows::Vector vector1, System::Windows::Vector vector2);

public static double operator *(System.Windows.Vector vector1, System.Windows.Vector vector2);

static member ( * ) : System.Windows.Vector * System.Windows.Vector -> double

Public Shared Operator * (vector1 As Vector, vector2 As Vector) As Double

Parametri

Valori restituiti

Restituisce un oggetto Double contenente il prodotto del punto scalare di vector1 e vector2, che viene calcolato usando la formula seguente:

vector1.X * vector2.X + vector1.Y * vector2.Y

Esempio

Nell'esempio seguente viene illustrato come utilizzare questo operatore (*) per moltiplicare una Vector struttura per un oggetto Vector.

private Double overloadedOperatorGetDotProductExample()
{
    Vector vector1 = new Vector(20, 30);
    Vector vector2 = new Vector(45, 70);

    // Return the dot product of the two specified vectors
    // using the overloaded "*" operator.
    // The dot product is calculated using the following 
    // formula: (vector1.X * vector2.X) + (vector1.Y * vector2.Y).
    // doubleResult is equal to 3000
    Double doubleResult = Vector.Multiply(vector1, vector2);

    return doubleResult;
}

Private Function overloadedOperatorGetDotProductExample() As Double
    Dim vector1 As New Vector(20, 30)
    Dim vector2 As New Vector(45, 70)

    ' Return the dot product of the two specified vectors
    ' using the overloaded "*" operator.
    ' The dot product is calculated using the following 
    ' formula: (vector1.X * vector2.X) + (vector1.Y * vector2.Y).
    ' doubleResult is equal to 3000
    Dim doubleResult As Double = Vector.Multiply(vector1, vector2)

    Return doubleResult

End Function

Vedi anche

• Multiply(Double, Vector)

public:
 static System::Windows::Vector operator *(double scalar, System::Windows::Vector vector);

public static System.Windows.Vector operator *(double scalar, System.Windows.Vector vector);

static member ( * ) : double * System.Windows.Vector -> System.Windows.Vector

Public Shared Operator * (scalar As Double, vector As Vector) As Vector

Parametri

Valori restituiti

Risultato della moltiplicazione scalar e vectordi .

Esempio

Nell'esempio seguente viene illustrato come utilizzare questo operatore (*) per moltiplicare un scalare per una Vector struttura.

private Vector overloadedMultiplicationOperatorExample2()
{
    Vector vector1 = new Vector(20, 30);
    Double scalar1 = 75;

    // vectorResult is equal to (1500,2250)
    Vector vectorResult = scalar1 * vector1;

    return vectorResult;
}

Private Function overloadedMultiplicationOperatorExample2() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim scalar1 As Double = 75

    ' vectorResult is equal to (1500,2250)
    Dim vectorResult As Vector = scalar1 * vector1

    Return vectorResult

End Function

Vedi anche

• Multiply(Double, Vector)

public:
 static System::Windows::Vector operator *(System::Windows::Vector vector, double scalar);

public static System.Windows.Vector operator *(System.Windows.Vector vector, double scalar);

static member ( * ) : System.Windows.Vector * double -> System.Windows.Vector

Public Shared Operator * (vector As Vector, scalar As Double) As Vector

Parametri

Valori restituiti

Risultato della moltiplicazione vector e scalardi .

Esempio

Nell'esempio seguente viene illustrato come utilizzare questo operatore (*) per moltiplicare una Vector struttura per scalare.

private Vector overloadedMultiplicationOperatorExample1()
{
    Vector vector1 = new Vector(20, 30);
    Double scalar1 = 75;

    // vectorResult is equal to (1500,2250)
    Vector vectorResult = vector1 * scalar1;

    return vectorResult;
}

Private Function overloadedMultiplicationOperatorExample1() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim scalar1 As Double = 75

    ' vectorResult is equal to (1500,2250)
    Dim vectorResult As Vector = vector1 * scalar1

    Return vectorResult

End Function

Vedi anche

• Multiply(Double, Vector)