# Vector3D.Subtraction 演算子

## 定義

Vector3D 構造体または Point3D 構造体を Vector3D 構造体から減算します。Subtracts a Vector3D structure or a Point3D structure from a Vector3D structure.

## オーバーロード

 Vector3D 構造体を Vector3D 構造体から減算します。Subtracts a Vector3D structure from a Vector3D structure. Point3D 構造体を Vector3D 構造体から減算します。Subtracts a Point3D structure from a Vector3D structure.

## Subtraction(Vector3D, Vector3D)

Vector3D 構造体を Vector3D 構造体から減算します。Subtracts a Vector3D structure from a Vector3D structure.

``````public:
static System::Windows::Media::Media3D::Vector3D operator -(System::Windows::Media::Media3D::Vector3D vector1, System::Windows::Media::Media3D::Vector3D vector2);``````
``public static System.Windows.Media.Media3D.Vector3D operator - (System.Windows.Media.Media3D.Vector3D vector1, System.Windows.Media.Media3D.Vector3D vector2);``
``static member ( - ) : System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Vector3D -> System.Windows.Media.Media3D.Vector3D``
``Public Shared Operator - (vector1 As Vector3D, vector2 As Vector3D) As Vector3D``

#### パラメーター

vector1
Vector3D

vector2
Vector3D

`vector1` から減算する Vector3D 構造体。The Vector3D structure to subtract from `vector1`.

#### 戻り値

`vector2` から `vector1` を減算した結果。The result of subtracting `vector2` from `vector1`.

### 例

``````// Subtracts a Vector3D from a Vector3D using the overloaded - operator.
// Returns a Vector3D.

Vector3D vector1 = new Vector3D(20, 30, 40);
Vector3D vector2 = new Vector3D(45, 70, 80);
Vector3D vectorResult = new Vector3D();

vectorResult = vector1 - vector2;
// vector Result is equal to (-25, -40, -40)
``````
``````' Subtracts a Vector3D from a Vector3D using the overloaded - operator.
' Returns a Vector3D.

Dim vector1 As New Vector3D(20, 30, 40)
Dim vector2 As New Vector3D(45, 70, 80)
Dim vectorResult As New Vector3D()

vectorResult = vector1 - vector2
' vector Result is equal to (-25, -40, -40)
``````

## Subtraction(Vector3D, Point3D)

Point3D 構造体を Vector3D 構造体から減算します。Subtracts a Point3D structure from a Vector3D structure.

``````public:
static System::Windows::Media::Media3D::Point3D operator -(System::Windows::Media::Media3D::Vector3D vector, System::Windows::Media::Media3D::Point3D point);``````
``public static System.Windows.Media.Media3D.Point3D operator - (System.Windows.Media.Media3D.Vector3D vector, System.Windows.Media.Media3D.Point3D point);``
``static member ( - ) : System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Point3D -> System.Windows.Media.Media3D.Point3D``
``Public Shared Operator - (vector As Vector3D, point As Point3D) As Point3D``

#### パラメーター

vector
Vector3D

point
Point3D

`vector` から減算する Point3D 構造体。The Point3D structure to subtract from `vector`.

#### 戻り値

`point` から `vector` を減算した結果。The result of subtracting `point` from `vector`.

### 例

``````// Subtracts a Vector3D from a Point3D using the overloaded - operator.
// Returns a Point3D.

Point3D point1 = new Point3D(10, 5, 1);
Vector3D vector1 = new Vector3D(20, 30, 40);
Point3D pointResult = new Point3D();

// Subtracting the vector from the point
pointResult = vector1 - point1;

// pointResult is equal to (10, 25, 39)
``````
``````' Subtracts a Vector3D from a Point3D using the overloaded - operator.
' Returns a Point3D.

Dim point1 As New Point3D(10, 5, 1)
Dim vector1 As New Vector3D(20, 30, 40)
Dim pointResult As New Point3D()

' Subtracting the vector from the point
pointResult = vector1 - point1

' pointResult is equal to (10, 25, 39)
``````