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VB.NET TimeSpan.Equals方法代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了VB.NET中System.TimeSpan.Equals方法的典型用法代码示例。如果您正苦于以下问题:VB.NET TimeSpan.Equals方法的具体用法?VB.NET TimeSpan.Equals怎么用?VB.NET TimeSpan.Equals使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.TimeSpan的用法示例。



在下文中一共展示了TimeSpan.Equals方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: TSCompToEqualsObjDemo

' Example of the TimeSpan.CompareTo( Object ) and 
' TimeSpan.Equals( Object ) methods.
Module TSCompToEqualsObjDemo
    
    ' Compare the TimeSpan to the Object parameters, 
    ' and display the Object parameters with the results.
    Sub CompTimeSpanToObject( Left as TimeSpan, Right as Object, _
        RightText as String )

        Console.WriteLine( "{0,-33}{1}", "Object: " & RightText, _
            Right )
        Console.WriteLine( "{0,-33}{1}", "Left.Equals( Object )", _
            Left.Equals( Right ) )
        Console.Write( "{0,-33}", "Left.CompareTo( Object )" )

        ' Catch the exception if CompareTo( ) throws one.
        Try
            Console.WriteLine( "{0}" & vbCrLf, _
                Left.CompareTo( Right ) )
        Catch ex As Exception
            Console.WriteLine( "Error: {0}" & vbCrLf, ex.Message )
        End Try
    End Sub

    Sub Main( )
        Dim Left as new TimeSpan( 0, 5, 0 )

        Console.WriteLine( _
            "This example of the TimeSpan.Equals( Object ) " & _
            "and " & vbCrLf & "TimeSpan.CompareTo( Object ) " & _
            "methods generates the " & vbCrLf & _
            "following output by creating several " & _
            "different TimeSpan " & vbCrLf & "objects and " & _
            "comparing them with a 5-minute TimeSpan." & vbCrLf )
        Console.WriteLine( "{0,-33}{1}" & vbCrLf, _
            "Left: TimeSpan( 0, 5, 0 )", Left )

        ' Create objects to compare with a 5-minute TimeSpan.
        CompTimeSpanToObject( Left, new TimeSpan( 0, 0, 300 ), _
            "TimeSpan( 0, 0, 300 )" )
        CompTimeSpanToObject( Left, new TimeSpan( 0, 5, 1 ), _
            "TimeSpan( 0, 5, 1 )" )
        CompTimeSpanToObject( Left, new TimeSpan( 0, 5, -1 ), _
            "TimeSpan( 0, 5, -1 )" )
        CompTimeSpanToObject( Left, new TimeSpan( 3000000000 ), _
            "TimeSpan( 3000000000 )" )
        CompTimeSpanToObject( Left, 3000000000L, "Long 3000000000L" )
        CompTimeSpanToObject( Left, "00:05:00", _
            "String ""00:05:00""" )
    End Sub
End Module 

' This example of the TimeSpan.Equals( Object ) and
' TimeSpan.CompareTo( Object ) methods generates the
' following output by creating several different TimeSpan
' objects and comparing them with a 5-minute TimeSpan.
' 
' Left: TimeSpan( 0, 5, 0 )        00:05:00
' 
' Object: TimeSpan( 0, 0, 300 )    00:05:00
' Left.Equals( Object )            True
' Left.CompareTo( Object )         0
' 
' Object: TimeSpan( 0, 5, 1 )      00:05:01
' Left.Equals( Object )            False
' Left.CompareTo( Object )         -1
' 
' Object: TimeSpan( 0, 5, -1 )     00:04:59
' Left.Equals( Object )            False
' Left.CompareTo( Object )         1
' 
' Object: TimeSpan( 3000000000 )   00:05:00
' Left.Equals( Object )            True
' Left.CompareTo( Object )         0
' 
' Object: Long 3000000000L         3000000000
' Left.Equals( Object )            False
' Left.CompareTo( Object )         Error: Object must be of type TimeSpan.
' 
' Object: String "00:05:00"        00:05:00
' Left.Equals( Object )            False
' Left.CompareTo( Object )         Error: Object must be of type TimeSpan.
开发者ID:VB.NET开发者,项目名称:System,代码行数:82,代码来源:TimeSpan.Equals


示例2: Main

' This example demonstrates the generic and non-generic versions of the 
' CompareTo method for several base types.
' The non-generic version takes a parameter of type Object, while the generic
' version takes a type-specific parameter, such as Boolean, Int32, or Double.

Class Sample
   Public Shared Sub Main()
      Dim nl As String = Environment.NewLine
      Dim msg As String = _
          "{0}The following is the result of using the generic and non-generic{0}" & _
          "versions of the CompareTo method for several base types:{0}"
      
      Dim now As DateTime = DateTime.Now
      ' Time span = 11 days, 22 hours, 33 minutes, 44 seconds
      Dim tsX As New TimeSpan(11, 22, 33, 44)
      ' Version = 1.2.333.4
      Dim versX As New Version("1.2.333.4")
      ' Guid = CA761232-ED42-11CE-BACD-00AA0057B223
      Dim guidX As New Guid("{CA761232-ED42-11CE-BACD-00AA0057B223}")
      
      Dim a1 As [Boolean] = True,    a2 As [Boolean] = True
      Dim b1 As [Byte] = 1,          b2 As [Byte] = 1
      Dim c1 As Int16 = -2,          c2 As Int16 = 2
      Dim d1 As Int32 = 3,           d2 As Int32 = 3
      Dim e1 As Int64 = 4,           e2 As Int64 = -4
      Dim f1 As [Decimal] = -5.5D,   f2 As [Decimal] = 5.5D
      Dim g1 As [Single] = 6.6F,     g2 As [Single] = 6.6F
      Dim h1 As [Double] = 7.7,      h2 As [Double] = -7.7
      Dim i1 As [Char] = "A"c,       i2 As [Char] = "A"c
      Dim j1 As String = "abc",      j2 As String = "abc"
      Dim k1 As DateTime = now,      k2 As DateTime = now
      Dim l1 As TimeSpan = tsX,      l2 As TimeSpan = tsX
      Dim m1 As Version = versX,     m2 As New Version("2.0")
      Dim n1 As Guid = guidX,        n2 As Guid = guidX
      
      ' The following types are not CLS-compliant.
      ' SByte, UInt16, UInt32, UInt64

      Console.WriteLine(msg, nl)
      Try
         ' The second and third Show method call parameters are automatically boxed because
         ' the second and third Show method declaration arguments expect type Object.

         Show("Boolean:  ", a1, a2, a1.CompareTo(a2), a1.CompareTo(CObj(a2)))
         Show("Byte:     ", b1, b2, b1.CompareTo(b2), b1.CompareTo(CObj(b2)))
         Show("Int16:    ", c1, c2, c1.CompareTo(c2), c1.CompareTo(CObj(c2)))
         Show("Int32:    ", d1, d2, d1.CompareTo(d2), d1.CompareTo(CObj(d2)))
         Show("Int64:    ", e1, e2, e1.CompareTo(e2), e1.CompareTo(CObj(e2)))
         Show("Decimal:  ", f1, f2, f1.CompareTo(f2), f1.CompareTo(CObj(f2)))
         Show("Single:   ", g1, g2, g1.CompareTo(g2), g1.CompareTo(CObj(g2)))
         Show("Double:   ", h1, h2, h1.CompareTo(h2), h1.CompareTo(CObj(h2)))
         Show("Char:     ", i1, i2, i1.CompareTo(i2), i1.CompareTo(CObj(i2)))
         Show("String:   ", j1, j2, j1.CompareTo(j2), j1.CompareTo(CObj(j2)))
         Show("DateTime: ", k1, k2, k1.CompareTo(k2), k1.CompareTo(CObj(k2)))
         Show("TimeSpan: ", l1, l2, l1.CompareTo(l2), l1.CompareTo(CObj(l2)))
         Show("Version:  ", m1, m2, m1.CompareTo(m2), m1.CompareTo(CObj(m2)))
         Show("Guid:     ", n1, n2, n1.CompareTo(n2), n1.CompareTo(CObj(n2)))
         '
         Console.WriteLine("{0}The following types are not CLS-compliant:", nl)
         Console.WriteLine("SByte, UInt16, UInt32, UInt64")

      Catch e As Exception
         Console.WriteLine(e)
      End Try
   End Sub
   
   Public Shared Sub Show(caption As String, var1 As [Object], var2 As [Object], _
                          resultGeneric As Integer, resultNonGeneric As Integer)
      Dim relation As String
      
      Console.Write(caption)
      If resultGeneric = resultNonGeneric Then
         If resultGeneric < 0 Then
            relation = "less than"
         ElseIf resultGeneric > 0 Then
            relation = "greater than"
         Else
            relation = "equal to"
         End If
         Console.WriteLine("{0} is {1} {2}", var1, relation, var2)
      
      ' The following condition will never occur because the generic and non-generic
      ' CompareTo methods are equivalent.

      Else
         Console.WriteLine("Generic CompareTo = {0}; non-generic CompareTo = {1}", _
                            resultGeneric, resultNonGeneric)
      End If
   End Sub
End Class
开发者ID:VB.NET开发者,项目名称:System,代码行数:90,代码来源:TimeSpan.Equals

输出:

The following is the result of using the generic and non-generic versions of the
CompareTo method for several base types:

Boolean:  True is equal to True
Byte:     1 is equal to 1
Int16:    -2 is less than 2
Int32:    3 is equal to 3
Int64:    4 is greater than -4
Decimal:  -5.5 is less than 5.5
Single:   6.6 is equal to 6.6
Double:   7.7 is greater than -7.7
Char:     A is equal to A
String:   abc is equal to abc
DateTime: 12/1/2003 5:37:46 PM is equal to 12/1/2003 5:37:46 PM
TimeSpan: 11.22:33:44 is equal to 11.22:33:44
Version:  1.2.333.4 is less than 2.0
Guid:     ca761232-ed42-11ce-bacd-00aa0057b223 is equal to ca761232-ed42-11ce-bacd-00
aa0057b223

The following types are not CLS-compliant:
SByte, UInt16, UInt32, UInt64


示例3: TSCompareEqualsDemo

' Example of the TimeSpan.Compare( TimeSpan, TimeSpan ) and 
' TimeSpan.Equals( TimeSpan, TimeSpan ) methods.
Module TSCompareEqualsDemo
    
    Const dataFmt As String = "{0,-38}{1}"

    ' Compare TimeSpan parameters, and display them with the results.
    Sub CompareTimeSpans( Left as TimeSpan, Right as TimeSpan, _
        RightText as String )

        Console.WriteLine( )
        Console.WriteLine( dataFmt, "Right: " & RightText, Right )
        Console.WriteLine( dataFmt, "TimeSpan.Equals( Left, Right )", _
            TimeSpan.Equals( Left, Right ) )
        Console.WriteLine( dataFmt, _
            "TimeSpan.Compare( Left, Right )", _
            TimeSpan.Compare( Left, Right ) )
    End Sub

    Sub Main( )
        Dim Left as new TimeSpan( 2, 0, 0 )

        Console.WriteLine( _
            "This example of the TimeSpan.Equals( TimeSpan, " & _
            "TimeSpan ) and " & vbCrLf & "TimeSpan.Compare( " & _
            "TimeSpan, TimeSpan ) methods generates the " & vbCrLf & _
            "following output by creating several " & _
            "different TimeSpan " & vbCrLf & "objects and " & _
            "comparing them with a 2-hour TimeSpan." & vbCrLf )
        Console.WriteLine( dataFmt, "Left: TimeSpan( 2, 0, 0 )", Left )

        ' Create objects to compare with a 2-hour TimeSpan.
        CompareTimeSpans( Left, new TimeSpan( 0, 120, 0 ), _
            "TimeSpan( 0, 120, 0 )" )
        CompareTimeSpans( Left, new TimeSpan( 2, 0, 1 ), _
            "TimeSpan( 2, 0, 1 )" )
        CompareTimeSpans( Left, new TimeSpan( 2, 0, -1 ), _
            "TimeSpan( 2, 0, -1 )" )
        CompareTimeSpans( Left, new TimeSpan( 72000000000 ), _
            "TimeSpan( 72000000000 )" )
        CompareTimeSpans( Left, TimeSpan.FromDays( 1.0 / 12R ), _
            "TimeSpan.FromDays( 1 / 12 )" )
    End Sub 
End Module 

' This example of the TimeSpan.Equals( TimeSpan, TimeSpan ) and
' TimeSpan.Compare( TimeSpan, TimeSpan ) methods generates the
' following output by creating several different TimeSpan
' objects and comparing them with a 2-hour TimeSpan.
' 
' Left: TimeSpan( 2, 0, 0 )             02:00:00
' 
' Right: TimeSpan( 0, 120, 0 )          02:00:00
' TimeSpan.Equals( Left, Right )        True
' TimeSpan.Compare( Left, Right )       0
' 
' Right: TimeSpan( 2, 0, 1 )            02:00:01
' TimeSpan.Equals( Left, Right )        False
' TimeSpan.Compare( Left, Right )       -1
' 
' Right: TimeSpan( 2, 0, -1 )           01:59:59
' TimeSpan.Equals( Left, Right )        False
' TimeSpan.Compare( Left, Right )       1
' 
' Right: TimeSpan( 72000000000 )        02:00:00
' TimeSpan.Equals( Left, Right )        True
' TimeSpan.Compare( Left, Right )       0
' 
' Right: TimeSpan.FromDays( 1 / 12 )    02:00:00
' TimeSpan.Equals( Left, Right )        True
' TimeSpan.Compare( Left, Right )       0
开发者ID:VB.NET开发者,项目名称:System,代码行数:71,代码来源:TimeSpan.Equals



注:本文中的System.TimeSpan.Equals方法示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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