Question : vb6 scrollbar overflow error

I am making modifications to another developer's project that has a form with a scrollbar.  I don't really get the jist of the cde, but on the form resize event, I am getting an overflow error on this line:
                 .Max = iFullFormHeigth - Me.Height

The value of (iFullFormHeigth - Me.Height) is 63435 at this point.

        With VScroll1
            .Height = Me.ScaleHeight - HScroll1.Height
            .Min = 0
            'MsgBox iFullFormHeigth - Me.Height
            .Max = iFullFormHeigth - Me.Height
            .SmallChange = Screen.TwipsPerPixelY * 10
            .LargeChange = Me.ScaleHeight - HScroll1.Height
        End With
 
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Dim iFullFormHeigth As Long 'integer
Dim iFullFormWidth As Long 'integer

Private Sub Form_Resize()

VScroll1.Left = Me.Width - (1.45 * VScroll1.Width)
HScroll1.Top = Me.Height - (2.45 * HScroll1.Height)

Picture1.Left = VScroll1.Left
Picture1.Top = HScroll1.Top

'If the full screen is already showing,
'then disable the scrollbar
VScroll1.Enabled = (iFullFormHeigth - Me.Height) >= 0

'First, make sure we aren't minimized
If Me.ScaleHeight > HScroll1.Height And Me.Width > VScroll1.Width Then
    
    'If there is any more screen to see,
    'modify the scrollbar
    If VScroll1.Enabled Then
        With VScroll1
            .Height = Me.ScaleHeight - HScroll1.Height
            .Min = 0
            .Max = iFullFormHeigth - Me.Height
            .SmallChange = Screen.TwipsPerPixelY * 10
            .LargeChange = Me.ScaleHeight - HScroll1.Height
        End With

    'Otherwise, just resize the scrollbar for neatness
    Else: VScroll1.Height = Me.ScaleHeight - HScroll1.Height
    End If

    HScroll1.Enabled = (iFullFormWidth - Me.Width) >= 0
    If HScroll1.Enabled Then
        With HScroll1
            .Width = Me.ScaleWidth - VScroll1.Width
            .Min = 0
            .Max = iFullFormWidth - Me.Width
            .SmallChange = Screen.TwipsPerPixelX * 10
            .LargeChange = Me.ScaleWidth - VScroll1.Width
        End With

    Else: HScroll1.Width = Me.ScaleWidth - VScroll1.Width
    End If
End If
End Sub

Answer : vb6 scrollbar overflow error

dim myvar as integer

if  iFullFormHeigth - Me.Height > 32767 then
myvar = 32767
else
myvar =  iFullFormHeigth - Me.Heigh
end if

'MsgBox iFullFormHeigth - Me.Height
 .Max = myvar
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