VB6 – ByRef参数类型不匹配错误 – 在哪里？

在10年的时间里,我一直在使用VB6,每一次,我都会得到一个“ByRef参数类型不匹配”错误,我根本无法找到不匹配.经过一段时间的努力,我一直以强迫的方式来打扰,但这次我以为我会问.我正在包括我认为可以与此有关的所有代码;但是现在可以跳过它,并在我演示问题后参考它：

Public Type PBufferType
  Location(9) As Integer ' code location
  ValueHi(9) As Integer  ' Vhi code
  ValueLo(9) As Integer  ' Vlo code
  Locked(9) As Integer   ' State of pair
  Gamma(9) As Single     ' Gamma between this segment and next
End Type

Public GammaBuffer(1) As PBufferType ' The main data type

Public SelectedBank as Integer

Function MeasureLuxAtCode(code As Integer) As Single
  Call TestPatternForm.DrawTestWindow(3,code) 
  MeasureLuxAtCode = MeasureLux(1)
End Function

问题发生在下面. “LuxMinTarget = MeasureLuxAtCode(FirstLevel)”行会生成“ByRef参数类型不匹配”错误,表示FirstLevel不是整数.

Sub DetermineIdealLuxCurve()
  Dim FirstLevel,FirstDACtoMeasure As Integer
  FirstDACtoMeasure = 0
  FirstLevel = GammaBuffer(SelectedBank).Location(FirstDACtoMeasure)
  LuxMinTarget = MeasureLuxAtCode(FirstLevel)
End Sub

但是,当然,FirstLevel是一个整数,不是吗？它是一个int int,它的值由UDT设置,返回一个int,所以我错了什么？如果我强制它这样一个int：

  LuxMinTarget = MeasureLuxAtCode(Int(FirstLevel))

编译/解释器的快乐.但我不是.

这是编译器中的错误还是只是我密集？

Dim FirstLevel,FirstDACtoMeasure As Integer

Dim FirstLevel As Integer
Dim FirstDACtoMeasure As Integer