SignificantDigitsNumberRounder 类

  • 参考

定义

命名空间:
Windows.Globalization.NumberFormatting
编辑

将数字舍入到指定数量的有效位数。

public ref class SignificantDigitsNumberRounder sealed : INumberRounder
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class SignificantDigitsNumberRounder final : INumberRounder
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
class SignificantDigitsNumberRounder final : INumberRounder
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class SignificantDigitsNumberRounder : INumberRounder
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
public sealed class SignificantDigitsNumberRounder : INumberRounder
function SignificantDigitsNumberRounder()
Public NotInheritable Class SignificantDigitsNumberRounder
Implements INumberRounder
继承
Object Platform::Object IInspectable SignificantDigitsNumberRounder
属性
ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute
实现
INumberRounder

Windows 要求

设备系列
Windows 10 (在 10.0.10240.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

构造函数

SignificantDigitsNumberRounder()

创建一个 SignificantDigitsNumberRounder 对象。

此构造函数将 RoundingAlgorithm 初始化为 RoundingAlgorithm 的默认值。RoundHalfUp 和 SignificantDigits 为 0。

属性

RoundingAlgorithm

获取或设置此 SignificantDigitsNumberRounder 对象的舍入策略值。
SignificantDigits

获取或设置此 SignificantDigitsNumberRounder 对象用于舍入的有效位数。

方法

RoundDouble(Double)

将 Double 数字舍入到指定的有效位数。
RoundInt32(Int32)

将 Int32 数字舍入到指定的有效位数。
RoundInt64(Int64)

将 Int64 数字舍入到指定的有效位数。
RoundSingle(Single)

将 单个 数字舍入到指定的有效位数。
RoundUInt32(UInt32)

将 UInt32 数字舍入到指定的有效位数。
RoundUInt64(UInt64)

将 UInt64 数字舍入到指定的有效位数。

适用于

另请参阅