VB.NET中怎么将16进制数换成对应的ASCII，比如说&H1000，怎么把他换成31H,30H,30H,30H

Public Function dec_to_hex(dec As Long) As String

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Dim a As String

dec_to_hex = ""

Do While dec 0

a = CStr(dec Mod 16)

Select Case a

Case "0": a = "30H"

Case "1": a = "31H"

Case "2": a = "32H"

Case "3": a = "33H"

Case "4": a = "34H"

Case "5": a = "35H"

Case "6": a = "36H"

Case "7": a = "37H"

Case "8": a = "38H"

Case "9": a = "30H"

Case "10": a = "65H"

Case "11": a = "66H"

Case "12": a = "67H"

Case "13": a = "68H"

Case "14": a = "69H"

Case "15": a = "70H"

End Select

dec_to_hex = a " " dec_to_hex

dec = dec \ 16

Loop

End Function

vb点虐 &H转换问题

Dim s As String = "h" Hex(Asc(Val(InputBox("输入数值", "提示", 1))))

MsgBox(s)

VB.NET，八/十六进制转十进制的函数

VB.Net自带函数：

十进制转八进制：Oct(num)

十六进制转八进制：oct("H" num)

十进制转十六进制：hex(num)

八进制转十六进制：hex("O" num)

十六进制转换为十进制：CLng("H" num)

如何用vb点虐 向串口发送十六位进制数据

下面代码就是将文本框中以一个空格隔开的十六进制转为字节的代码，文本框中数字格式为：01 02 03

Dim TestArray() As String = Split(TextBox1.Text)

Dim hexBytes() As Byte

ReDim hexBytes(TestArray.Length - 1)

Dim i As Integer

For i = 0 To TestArray.Length - 1

hexBytes(i) = Val("h" TestArray(i))

Next

SerialPort.Write(hexBytes, 0, hexBytes.Length)

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