Private Sub Form_Load() ClearText With MSComm1 .CommPort = 1 .Settings = "9600,N,8,1" .InputLen = 0 .RThreshold = 1 End With End Sub Private Sub MSComm1_OnComm() Select Case MSComm1.CommEvent Case 2 Text1.Text = Text1.Text & MSComm1.Input '写数据处理代码 End Select End Sub
Private Sub Form_Load() MSComm1.Settings = "9600,n,8,1" MSComm1.InputMode = comInputModeText '采用字符串 MSComm1.InBufferCount = 0 '清空接受缓冲区 MSComm1.OutBufferCount = 0 '清空传输缓冲区 MSComm1.InBufferSize = 1024 MSComm1.RThreshold = 1 MSComm1.RTSEnable = True MSComm1.PortOpen = True end subPrivate Sub MSComm1_OnComm() Dim strdata As String Select Case MSComm1.CommEvent Case comEvReceive strdata = MSComm1.Input End Select End Sub这是我的代码
Option Explicit Dim strdata As String Private Sub Form_Load() MSComm1.Settings = "9600,n,8,1" MSComm1.InputMode = comInputModeText '采用字符串 MSComm1.InBufferCount = 0 '清空接受缓冲区 MSComm1.OutBufferCount = 0 '清空传输缓冲区 MSComm1.InBufferSize = 1024 MSComm1.RThreshold = 1 'MSComm1.RTSEnable = True MSComm1.PortOpen = True End sub Private Sub MSComm1_OnComm() Select Case MSComm1.CommEvent Case comEvReceive strdata = strdata & MSComm1.Input End Select End Sub
ClearText
With MSComm1
.CommPort = 1
.Settings = "9600,N,8,1"
.InputLen = 0
.RThreshold = 1
End With
End Sub Private Sub MSComm1_OnComm()
Select Case MSComm1.CommEvent
Case 2
Text1.Text = Text1.Text & MSComm1.Input
'写数据处理代码
End Select
End Sub
MSComm1.Settings = "9600,n,8,1"
MSComm1.InputMode = comInputModeText '采用字符串
MSComm1.InBufferCount = 0 '清空接受缓冲区
MSComm1.OutBufferCount = 0 '清空传输缓冲区
MSComm1.InBufferSize = 1024
MSComm1.RThreshold = 1
MSComm1.RTSEnable = True
MSComm1.PortOpen = True
end subPrivate Sub MSComm1_OnComm()
Dim strdata As String
Select Case MSComm1.CommEvent
Case comEvReceive
strdata = MSComm1.Input
End Select
End Sub这是我的代码
Option Explicit
Dim strdata As String
Private Sub Form_Load()
MSComm1.Settings = "9600,n,8,1"
MSComm1.InputMode = comInputModeText '采用字符串
MSComm1.InBufferCount = 0 '清空接受缓冲区
MSComm1.OutBufferCount = 0 '清空传输缓冲区
MSComm1.InBufferSize = 1024
MSComm1.RThreshold = 1
'MSComm1.RTSEnable = True
MSComm1.PortOpen = True
End sub Private Sub MSComm1_OnComm()
Select Case MSComm1.CommEvent
Case comEvReceive
strdata = strdata & MSComm1.Input
End Select
End Sub
MSComm1.RThreshold = 11
试一下