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@@ -41,34 +41,40 @@ namespace BulkPrinting
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return Encoding.ASCII.GetString(HexStringToBytes(hex));
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}
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+ public static string TrimRepeats(string value, string substring)
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+ {
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+ var step = substring.Length;
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+ if (step == 0)
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+ return value;
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+
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+ int start = 0;
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+ int end = value.Length;
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+ while ((start <= end - step) && (value.Substring(start, step) == substring))
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+ start += step;
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+
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+ while ((end >= start + step) && (value.Substring(end - step, step) == substring))
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+ end -= step;
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+
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+ return value.Substring(start, end - start);
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+ }
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+
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public static string GetHDDSerial()
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{
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- ManagementObjectSearcher managementObjectSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMedia");
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- string result;
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- ManagementObjectCollection.ManagementObjectEnumerator enumerator = null;
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- try
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+ using (var managementObjectSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMedia"))
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{
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- enumerator = managementObjectSearcher.Get().GetEnumerator();
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- while (enumerator.MoveNext())
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+ using (var enumerator = managementObjectSearcher.Get().GetEnumerator())
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{
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- string text = ((ManagementObject)enumerator.Current)["SerialNumber"].ToString();
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- text = text.Replace(" ", "").Replace(".", "");
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- if (text != "")
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+ while (enumerator.MoveNext())
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{
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- result = text;
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- return result.Length > 15 ? result.Substring(result.Length - 15, 15) : result;
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+ string text = TrimRepeats(enumerator.Current["SerialNumber"].ToString().Replace(" ", "").Replace(".", ""), "20");
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+ if (text != "")
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+ {
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+ return text;
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+ }
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}
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}
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}
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- finally
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- {
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- if (enumerator != null)
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- {
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- ((IDisposable)enumerator).Dispose();
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- }
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- }
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- result = "SERIAL ERROR";
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- return result.Length > 15 ? result.Substring(result.Length - 15, 15) : result;
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+ return "SERIAL ERROR";
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}
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public static DBHelper OpenDBConnection()
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