Size3D.Equality(Size3D, Size3D) Operator
Definisi
Penting
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public:
static bool operator ==(System::Windows::Media::Media3D::Size3D size1, System::Windows::Media::Media3D::Size3D size2);
public static bool operator == (System.Windows.Media.Media3D.Size3D size1, System.Windows.Media.Media3D.Size3D size2);
static member ( = ) : System.Windows.Media.Media3D.Size3D * System.Windows.Media.Media3D.Size3D -> bool
Public Shared Operator == (size1 As Size3D, size2 As Size3D) As Boolean
Parameter
Mengembalikan
true
Xjika komponen , Y, dan Z dari size1
dan size2
sama; jika tidak, false
.
Contoh
Contoh berikut menunjukkan cara menggunakan operator kesetaraan yang kelebihan beban untuk memeriksa apakah dua Size3D struktur sama.
// Checks if two Size3D structures are equal using the overloaded == operator.
// Returns a Boolean.
// Declaring Size3D structure without initializing x,y,z values
Size3D size1 = new Size3D();
// Declaring Size3D structure and initializing x,y,z values
Size3D size2 = new Size3D(5, 10, 15);
Boolean areEqual;
// Assigning values to size1
size1.X = 2;
size1.Y = 4;
size1.Z = 6;
// Checking for equality
areEqual = size1 == size2;
// areEqual is False
// Displaying Results
syntaxString = " areEqual = size1 == size2;";
resultType = "Boolean";
operationString = "Checking if two Size3D structures are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
' Checks if two Size3D structures are equal using the overloaded == operator.
' Returns a Boolean.
' Declaring Size3D structure without initializing x,y,z values
Dim size1 As New Size3D()
' Declaring Size3D structure and initializing x,y,z values
Dim size2 As New Size3D(5, 10, 15)
Dim areEqual As Boolean
' Assigning values to size1
size1.X = 2
size1.Y = 4
size1.Z = 6
' Checking for equality
areEqual = size1 = size2
' areEqual is False
' Displaying Results
syntaxString = " areEqual = size1 == size2"
resultType = "Boolean"
operationString = "Checking if two Size3D structures are equal"
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString)
Keterangan
Karena Double nilai dapat kehilangan presisi ketika operasi aritmatika dilakukan padanya, perbandingan antara dua Size3D instans yang secara logis sama mungkin gagal.