Vb.Net convert hex string value to Long or Integer

You got a Hex string value and wants to convert it to a decimal integer then use following functions.

Convert.ToInt64(strHexValue,16) to convert a hex value string to a Long variable.
Convert.ToInt32(strHexValue,16) to convert a hex value string to a Integer variable.

Example function below:

Function HexStringID_to_Long(ItemID As String) As Long
        Dim iHandle As Long = 0
        iHandle = Convert.ToInt64(ItemID , 16)
        Return iHandle
 End Function

If ItemID="0F3321A" then the function above will return 15938074.