private string GetStringFromLicense(string propertyString, LicenseStateData licenseStateData)
{
// These are my best guesses about about how to format this data. MSDN
// is pretty vague about the whole thing.
DateTime d1, d2;
string sReturn = "";
for (int x = 0; x < licenseStateData.dwNumStates; x++)
{
switch (sd.stateData[x].dwCategory)
{
case LicenseStateCategory .NoRight:
sReturn += string.Format("{0} not permitted.", propertyString);
break;
case LicenseStateCategory.UnLimited:
sReturn += string.Format("{0} unlimited.", propertyString);
break;
case LicenseStateCategory.Count:
sReturn += string.Format("{0} valid {1} times.", propertyString, licenseStateData.stateData[x].dwCount[0]);
break;
case LicenseStateCategory.From:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
sReturn += string.Format("{0} valid from {1}.", propertyString, d1.ToShortDateString());
break;
case LicenseStateCategory.Until:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
sReturn += string.Format("{0} valid until {1}.", propertyString, d1.ToShortDateString());
break;
case LicenseStateCategory.FromUntil:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
d2 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[1]);
sReturn += string.Format("{0} valid from {1} to {2}.", propertyString, d1.ToShortDateString(), d2.ToShortDateString());
break;
case LicenseStateCategory.CountFrom:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
sReturn += string.Format("{0} valid {1} times from {2}.", propertyString, licenseStateData.stateData[x].dwCount[0], d1.ToShortDateString());
break;
case LicenseStateCategory.CountUntil:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
sReturn += string.Format("{0} valid {1} times until {2}.", propertyString, licenseStateData.stateData[x].dwCount[0], d1.ToShortDateString());
break;
case LicenseStateCategory.CountFromUntil:
d1 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[0]);
d2 = FileTimeToDateTime(licenseStateData.stateData[x].datetime[1]);
sReturn += string.Format("{0} valid {1} times from {2} to {3}.", propertyString, licenseStateData.stateData[x].dwCount[0], d1.ToShortDateString(), d2.ToShortDateString());
break;
case LicenseStateCategory.ExpirationAfterFristUse:
sReturn += string.Format("{0} valid for {1} hours from first use.", propertyString, licenseStateData.stateData[x].dwCount[0]);
break;
default:
sReturn += "Unrecognized state category";
break;
}
if (x != sd.dwNumStates - 1)
{
sRet += "\n";
}
}
return sRet;
}
//------------------------------------------------------------------------------
// Name: PrintProperty()
// Desc: Display the specified property.
//------------------------------------------------------------------------------
public string GetPropertyAsString(string pwszPropertyName)
{
byte [] pValue;
AttrDataType Wmt;
QueryProperty(pwszPropertyName, out pValue, out Wmt);
string sRet = null;
switch (Wmt)
{
case AttrDataType.STRING:
{
sRet = Encoding.Unicode.GetString(pValue);
break;
}
case AttrDataType.BOOL:
{
sRet = BitConverter.ToBoolean(pValue, 0).ToString();
break;
}
case AttrDataType.WORD:
{
sRet = BitConverter.ToInt16(pValue, 0).ToString();
break;
}
case AttrDataType.DWORD:
{
sRet = BitConverter.ToInt32(pValue, 0).ToString();
break;
}
case AttrDataType.QWORD:
{
sRet = BitConverter.ToInt64(pValue, 0).ToString();
break;
}
case AttrDataType.GUID:
{
sRet = new Guid(pValue).ToString();
break;
}
case AttrDataType.BINARY:
{
if (pwszPropertyName.StartsWith(Constants.g_wszWMDRM_LicenseState))
{
LicenseStateData sd = new LicenseStateData(pValue);
sRet = GetStringFromLicense(pwszPropertyName.Substring(Constants.g_wszWMDRM_LicenseState.Length), sd);
}
else
{
sRet = "Query successful, but cannot format for display";
}
break;
}
default:
{
sRet = "Query successful, but cannot format for display";
break;
}
}
return sRet;
}
