C# Problem convertion from vb6

I try to translate a VB6 proc to c# and can't !! (I'm a C# beginner)
I have troubles with the variables types and the translation from the VB6 "&"  to the C# "||"
Could an expert help me
Here comes the original VB6 code and my "translation"

The original VB6 proc

Private Sub GetStatusBits()

    Dim Digit As Integer
	Dim nSpO2_StatusBit(7) As Integer   'used for DF1 also
	im nSpO2_Status As Integer 'Use for DF1 also
	Dim nStat2 As Integer
    
    'CONVERT SPO2 STATUS BYTE TO BINARY BYTE ARRAY
    For Digit = 7 To 0 Step -1
        If (nSpO2_Status And (2 ^ Digit)) Then
            nSpO2_StatusBit(Digit) = 1
        Else
            nSpO2_StatusBit(Digit) = 0
        End If
        If (nStat2 And (2 ^ Digit)) Then
            nStat2Bit(Digit) = 1
        Else
            nStat2Bit(Digit) = 0
        End If
    Next Digit

End Sub

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My C# translation

private void GetStatusBits()
	{
		int Digit = 0;

		//CONVERT SPO2 STATUS BYTE TO BINARY BYTE ARRAY
		for (Digit = 7; Digit >= 0; Digit += -1) 
                {
	        if ((nSpO2_Status )& (Math.Pow(2, Digit))))  
                {
				nSpO2_StatusBit[Digit] = 1;
			    } 
            else 
                {
				nSpO2_StatusBit[Digit] = 0;
			    }
			if ((nStat2 = 0) // & (Math.Pow(2, Digit)))) 
                {
				nStat2Bit[Digit] = 1;
			   }
               else 
                {
				nStat2Bit[Digit] = 0;
			    }
		}
	}

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