Size3D.Equality(Size3D, Size3D) Operator
Definition
Important
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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
Parameters
Returns
true
if the X, Y, and Z components of size1
and size2
are equal; otherwise, false
.
Examples
The following example shows how to use the overloaded equality operator to check if two Size3D structures are equal.
// 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)
Remarks
Because Double values can lose precision when arithmetic operations are performed on them, a comparison between two Size3D instances that are logically equal might fail.
Applies to
See also
Σχόλια
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