Проверьте на ошибку программный код пож - VB

Function SetColsRows()
Dim File As Long
Dim N, i, M As Integer
Dim LineTextFile As String
N = 0
File = FreeFile
Open App.Path & "\matrix.txt" For Input As #File
Do Until EOF(File)
Line Input #File, LineTextFile
N = N + 1
Loop
MSFlexGrid1.Rows = N
Close #File
 
i = 1
M = 0
Do While i <= Len(LineTextFile)
    If Mid(LineTextFile, i, 1) <> " " Then
    M = M + 1
    i = i + 1
    If i <= Len(LineTextFile) Then
    Do While Mid(LineTextFile, i, 1) <> " "
    i = i + 1
    If i > Len(LineTextFile) Then
    Exit Do
    End If
    Loop
    End If
    Else
    i = i + 1
    End If
Loop
MSFlexGrid1.Cols = M
 
End Function
Private Sub Command1_Click()
SetColsRows
Dim F As Long
Dim MyText, Val As String
Dim N, M, i As Integer
N = -1
F = FreeFile
Open App.Path & "\matrix.txt" For Input As #F
Do Until EOF(F)
Line Input #F, MyText
N = N + 1
 
M = -1
i = 1
Do While i <= Len(MyText)
    If Mid(MyText, i, 1) <> " " Then
    M = M + 1
    Val = Mid(MyText, i, 1)
    i = i + 1
    If i <= Len(MyText) Then
    Do While Mid(MyText, i, 1) <> " "
    Val = Val + Mid(MyText, i, 1)
    i = i + 1
    If i > Len(MyText) Then
    Exit Do
    End If
    Loop
    End If
    MSFlexGrid1.TextMatrix(N, M) = Val
    Else
    i = i + 1
    End If
Loop
Loop
Close #F
End Sub
Private Sub Command2_Click()
Dim max, i, j As Integer
max = Abs(Val(MSFlexGrid1.TextMatrix(0, 0)))
For i = 0 To MSFlexGrid1.Rows - 1
    For j = 0 To MSFlexGrid1.Cols - 1
    If Abs(Val(MSFlexGrid1.TextMatrix(i, j))) > max Then
    max = Abs(Val(MSFlexGrid1.TextMatrix(i, j)))
    End If
    Next j
Next i
 
For i = 0 To MSFlexGrid1.Rows - 1
    For j = 0 To MSFlexGrid1.Cols - 1
    If Val(MSFlexGrid1.TextMatrix(i, j)) = 0 Then
    MSFlexGrid1.TextMatrix(i, j) = max
    End If
    Next j
Next i
End Sub
Private Sub Command3_Click()
max = Abs(Val(MSFlexGrid1.TextMatrix(0, 0)))
For i = 0 To MSFlexGrid1.Rows - 1
    k = 0
    For j = 0 To MSFlexGrid1.Cols - 1
    
    If Abs(Val(MSFlexGrid1.TextMatrix(i, j))) > max Then
    max = Abs(Val(MSFlexGrid1.TextMatrix(i, j)))
    End If
    Next j
Next i
i_1 = 0
MSFlexGrid2.Rows = MSFlexGrid1.Rows
MSFlexGrid2.Cols = MSFlexGrid1.Cols
For i = 0 To MSFlexGrid1.Rows - 1
        k = 0
            For j = 0 To MSFlexGrid1.Cols - 1
                MSFlexGrid2.TextMatrix(i_1, j) = Val(MSFlexGrid1.TextMatrix(i, j))
                If Val(MSFlexGrid2.TextMatrix(i_1, j)) = max Then
                k = k + 1
                End If
            Next j
                    If k <> 0 Then
                    i_1 = i_1 + 1
                            MSFlexGrid2.AddItem (kol + 1)       'Г*îìåðГ* ñòðîê Гў ГІГ*áëèöå В№1 Гў êîòîðûõ ГҐГ±ГІГј Г¬Г*ГЄГ±ГЁГ¬Г*ëüГ*ûå ýëåìåГ*ГІГ»
                            For j = 0 To MSFlexGrid1.Cols - 1
                                 MSFlexGrid2.TextMatrix(i_1, j) = Val(MSFlexGrid1.TextMatrix(MSFlexGrid1.Rows - 1, j))
                            Next j
                    End If
          i_1 = i_1 + 1
          kol = kol + 1
Next i
End Sub
Private Sub Command4_Click()
Dim i, j As Integer
For i = 0 To MSFlexGrid1.Rows - 1
For j = 0 To MSFlexGrid1.Cols - 1
If Val(MSFlexGrid1.TextMatrix(i, j)) = 0 Then
MSFlexGrid1.RemoveItem (MSFlexGrid1.Row - (MSFlexGrid1.TextMatrix(i, j)))
End If
Next j
Next i
End Sub