FrameworkName.Inequality(FrameworkName, FrameworkName) 运算符
定义
返回一个值,该值指示两个 FrameworkName 对象是否表示不同的 .NET 版本。Returns a value that indicates whether two FrameworkName objects represent different .NET versions.
public:
static bool operator !=(System::Runtime::Versioning::FrameworkName ^ left, System::Runtime::Versioning::FrameworkName ^ right);
public static bool operator != (System.Runtime.Versioning.FrameworkName left, System.Runtime.Versioning.FrameworkName right);
public static bool operator != (System.Runtime.Versioning.FrameworkName? left, System.Runtime.Versioning.FrameworkName? right);
static member op_Inequality : System.Runtime.Versioning.FrameworkName * System.Runtime.Versioning.FrameworkName -> bool
Public Shared Operator != (left As FrameworkName, right As FrameworkName) As Boolean
参数
- left
- FrameworkName
要比较的第一个对象。The first object to compare.
- right
- FrameworkName
要比较的第二个对象。The second object to compare.
返回
如果 left 和 right 参数表示不同的 .NET 版本,则为 true;否则为 false。true if the left and right parameters represent different .NET versions; otherwise, false.
示例
下面的示例使用相等运算符来确定 FrameworkName 表示 .net 运行版本的对象是否等于受支持的 .net 版本。The following example uses the equality operator to determine whether a FrameworkName object that represents the running version of .NET is equal to a supported version of .NET. 请注意,这两个版本不相等,因为它们不具有相同的版本号。Note that the two versions are not equal because they do not have identical version numbers.
FrameworkName supportedVer1 = new FrameworkName(".NET Framework, Version=4.0");
FrameworkName actualVersion = new FrameworkName(String.Format(
".NET Framework, Version={0}",
Environment.Version.ToString()));
Console.WriteLine("Supported Version: {0}", supportedVer1);
Console.WriteLine("Actual Version: {0}", actualVersion);
if (supportedVer1 != actualVersion)
Console.WriteLine("The supported and actual Framework versions are different.");
else
Console.WriteLine("The supported and actual Framework versions are the same.");
Console.WriteLine();
// The example displays the following output:
// The supported and actual Framework versions are different.
Dim supportedVer1 As New FrameworkName(".NET Framework, Version=4.0")
Dim actualVersion As New FrameworkName(String.Format(".NET Framework, Version={0}",
Environment.Version.ToString()))
Console.WriteLine("Supported Version: {0}", supportedVer1)
Console.WriteLine("Actual Version: {0}", actualVersion)
If supportedVer1 <> actualVersion Then
Console.WriteLine("The supported and actual Framework versions are different.")
Else
Console.WriteLine("The supported and actual Framework versions are the same.")
End If
Console.WriteLine()
' The example displays the following output:
' Supported Version: .NET Framework,Version=v4.0
' Actual Version: .NET Framework,Version=v4.0.30319.18010
' The supported and actual Framework versions are different.
注解
Inequality方法定义对象的不相等运算符的运算 FrameworkName 。The Inequality method defines the operation of the inequality operator for FrameworkName objects.
不支持自定义运算符的语言可以通过调用 FrameworkName.Equals(FrameworkName) 方法并反转其值来测试是否不相等。Languages that do not support custom operators can test for inequality by calling the FrameworkName.Equals(FrameworkName) method and reversing its value.