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VB.NET Byte结构体代码示例

本文整理汇总了VB.NET中System.Byte结构体的典型用法代码示例。如果您正苦于以下问题:VB.NET Byte结构体的具体用法?VB.NET Byte怎么用?VB.NET Byte使用的例子?那么恭喜您, 这里精选的结构体代码示例或许可以为您提供帮助。

在下文中一共展示了Byte结构体的7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: CByte

Dim int1 As Integer = 128
Try
   Dim value1 As Byte = CByte(int1)
   Console.WriteLine(value1)
Catch e As OverflowException
   Console.WriteLine("{0} is out of range of a byte.", int1)
End Try

Dim dbl2 As Double = 3.997
Try
   Dim value2 As Byte = CByte(dbl2)
   Console.WriteLine(value2)
Catch e As OverflowException
   Console.WriteLine("{0} is out of range of a byte.", dbl2)
End Try
开发者ID:VB.NET开发者,项目名称:System,代码行数:15,代码来源:Byte

输出:

128
4


示例2: numbers

Dim numbers() As Integer = { Int32.MinValue, -1, 0, 121, 340, Int32.MaxValue }
Dim result As Byte
For Each number As Integer In numbers
   Try
      result = Convert.ToByte(number)
      Console.WriteLIne("Converted the {0} value {1} to the {2} value {3}.", _
                        number.GetType().Name, number, _
                        result.GetType().Name, result)
   Catch e As OverflowException
      Console.WriteLine("The {0} value {1} is outside the range of the Byte type.", _
                        number.GetType().Name, number)
   End Try
Next
开发者ID:VB.NET开发者,项目名称:System,代码行数:13,代码来源:Byte

输出:

The Int32 value -2147483648 is outside the range of the Byte type.
The Int32 value -1 is outside the range of the Byte type.
Converted the Int32 value 0 to the Byte value 0.
Converted the Int32 value 121 to the Byte value 121.
The Int32 value 340 is outside the range of the Byte type.
The Int32 value 2147483647 is outside the range of the Byte type.


示例3:

Dim string1 As String = "244"
Try
   Dim byte1 As Byte = Byte.Parse(string1)
   Console.WriteLine(byte1)
Catch e As OverflowException
   Console.WriteLine("'{0}' is out of range of a byte.", string1)
Catch e As FormatException
   Console.WriteLine("'{0}' is out of range of a byte.", string1)
End Try

Dim string2 As String = "F9"
Try
   Dim byte2 As Byte = Byte.Parse(string2,
                             System.Globalization.NumberStyles.HexNumber)
   Console.WriteLine(byte2)
Catch e As OverflowException
   Console.WriteLine("'{0}' is out of range of a byte.", string2)
Catch e As FormatException
   Console.WriteLine("'{0}' is out of range of a byte.", string2)
End Try
开发者ID:VB.NET开发者,项目名称:System,代码行数:20,代码来源:Byte

输出:

244
249


示例4: numbers

Dim numbers() As Byte = { 0, 16, 104, 213 }
For Each number As Byte In numbers
   ' Display value using default formatting.
   Console.Write("{0,-3}  -->   ", number.ToString())
   ' Display value with 3 digits and leading zeros.
   Console.Write(number.ToString("D3") + "   ")
   ' Display value with hexadecimal.
   Console.Write(number.ToString("X2") + "   ")
   ' Display value with four hexadecimal digits.
   Console.WriteLine(number.ToString("X4"))
Next
开发者ID:VB.NET开发者,项目名称:System,代码行数:11,代码来源:Byte

输出:

0    -->   000   00   0000
16   -->   016   10   0010
104  -->   104   68   0068
213  -->   213   D5   00D5


示例5: numbers

Dim numbers() As Byte = { 0, 16, 104, 213 }
Console.WriteLine("{0}   {1,8}   {2,5}   {3,5}", _
                  "Value", "Binary", "Octal", "Hex")
For Each number As Byte In numbers
   Console.WriteLine("{0,5}   {1,8}   {2,5}   {3,5}", _
                     number, Convert.ToString(number, 2), _
                     Convert.ToString(number, 8), _
                     Convert.ToString(number, 16))
Next
开发者ID:VB.NET开发者,项目名称:System,代码行数:9,代码来源:Byte

输出:

Value     Binary   Octal     Hex
0          0       0       0
16      10000      20      10
104    1101000     150      68
213   11010101     325      d5


示例6: Example

' 导入命名空间
Imports System.Globalization

Module Example
   Public Sub Main()
      Dim values() As String = { Convert.ToString(12, 16), _
                                 Convert.ToString(123, 16), _
                                 Convert.ToString(245, 16) }
      
      Dim mask As Byte = &hFE
      For Each value As String In values
         Dim byteValue As Byte = Byte.Parse(value, NumberStyles.AllowHexSpecifier)
         Console.WriteLine("{0} And {1} = {2}", byteValue, mask, _ 
                           byteValue And mask)
      Next         
   End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:17,代码来源:Byte

输出:

12 And 254 = 12
123 And 254 = 122
245 And 254 = 244


示例7: Example

' 导入命名空间
Imports System.Collections.Generic
Imports System.Globalization

Public Structure ByteString
   Public Value As String
   Public Sign As Integer
End Structure

Module Example
   Public Sub Main()
      Dim values() As ByteString = CreateArray(-15, 123, 245)
      
      Dim mask As Byte = &h14        ' Mask all bits but 2 and 4.
      
      For Each strValue As ByteString In values
         Dim byteValue As Byte = Byte.Parse(strValue.Value, NumberStyles.AllowHexSpecifier)
         Console.WriteLine("{0} ({1}) And {2} ({3}) = {4} ({5})", _ 
                           strValue.Sign * byteValue, _ 
                           Convert.ToString(byteValue, 2), _
                           mask, Convert.ToString(mask, 2), _
                           (strValue.Sign And Math.Sign(mask)) * (byteValue And mask), _
                           Convert.ToString(byteValue And mask, 2))
      Next         
   End Sub
   
   Private Function CreateArray(ParamArray values() As Object) As ByteString()
      Dim byteStrings As New List(Of ByteString)
      For Each value As Object In values
         Dim temp As New ByteString()
         Dim sign As Integer = Math.Sign(value)
         temp.Sign = sign
         ' Change two's complement to magnitude-only representation.
         value = value * sign

         temp.Value = Convert.ToString(value, 16)
         byteStrings.Add(temp)
      Next
      Return byteStrings.ToArray()
   End Function   
End Module
开发者ID:VB.NET开发者,项目名称:System,代码行数:41,代码来源:Byte

输出:

-15 (1111) And 20 (10100) = 4 (100)
123 (1111011) And 20 (10100) = 16 (10000)
245 (11110101) And 20 (10100) = 20 (10100)



注:本文中的System.Byte结构体示例整理自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。