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ตัวอย่าง
Public Function roundUp(dblValue As Double) As Double
On Error GoTo PROC_ERR
Dim myDec As Long
myDec = InStr(1, CStr(dblValue), ".", vbTextCompare)
If myDec > 0 Then
roundUp = CDbl(Left(CStr(dblValue), myDec)) + 1
Else
roundUp = dblValue
End If
PROC_EXIT:
Exit Function
PROC_ERR:
MsgBox Err.Description, vbInformation, "Round Up"
End Function
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