Rect.Inequality(Rect, Rect) Operador

Definição

Namespace:

System.Windows

Assembly:

WindowsBase.dll

Compara dois retângulos quanto à desigualdade.

public:
 static bool operator !=(System::Windows::Rect rect1, System::Windows::Rect rect2);

public static bool operator != (System.Windows.Rect rect1, System.Windows.Rect rect2);

static member op_Inequality : System.Windows.Rect * System.Windows.Rect -> bool

Public Shared Operator != (rect1 As Rect, rect2 As Rect) As Boolean

Parâmetros

rect1

Rect

O primeiro retângulo para comparar.

rect2

Rect

O segundo retângulo a ser comparado.

Retornos

Boolean

true se os retângulos não tiverem os mesmos valores Location e Size; caso contrário, false.

Exemplos

O exemplo a seguir mostra como usar o Inequality operador para determinar se dois retângulos não são exatamente iguais.

private Boolean overloadedInequalityOperatorExample()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. 
    myRectangle.Location = new Point(10, 5);

    // Set the Size property of the rectangle with a width of 200
    // and a height of 50.
    myRectangle.Size = new Size(200, 50);

    // Create second rectangle to compare to the first.
    Rect myRectangle2 = new Rect();
    myRectangle2.Location = new Point(0, 0);
    myRectangle2.Size = new Size(200, 50);

    // Check if the two Rects are not equal using the overloaded inequality operator.
    // notEqual is true because although the size of each rectangle is the same,
    // the locations are different.
    bool notEqual = (myRectangle != myRectangle2);

    // Returns true.
    return notEqual;
}

Private Function overloadedInequalityOperatorExample() As Boolean
    ' Initialize new rectangle.
    Dim myRectangle As New Rect()

    ' The Location property specifies the coordinates of the upper left-hand 
    ' corner of the rectangle. 
    myRectangle.Location = New Point(10, 5)

    ' Set the Size property of the rectangle with a width of 200
    ' and a height of 50.
    myRectangle.Size = New Size(200, 50)

    ' Create second rectangle to compare to the first.
    Dim myRectangle2 As New Rect()
    myRectangle2.Location = New Point(0, 0)
    myRectangle2.Size = New Size(200, 50)

    ' Check if the two Rects are not equal using the overloaded inequality operator.
    ' notEqual is true because although the size of each rectangle is the same,
    ' the locations are different.
    Dim notEqual As Boolean = (myRectangle <> myRectangle2)

    ' Returns true.
    Return notEqual

End Function

Comentários

Esta operação testa a desigualdade de objeto.

Nessa comparação, duas instâncias de Double.NaN são consideradas iguais.

Observação

A posição e as dimensões de um retângulo são descritas por Double valores. Como Double os valores podem perder precisão quando operados, uma comparação entre dois valores logicamente iguais pode falhar.

O método equivalente para esse operador é Rect.Equals(Rect, Rect)