internal static object GetDefaultValue(ref PARAMDESC paramdesc)
{
if ((paramdesc.wParamFlags & PARAMFLAG.PARAMFLAG_FHASDEFAULT) == 0)
{
return(DBNull.Value);
}
PARAMDESCEX varValue = (PARAMDESCEX)Marshal.PtrToStructure(paramdesc.lpVarValue, typeof(PARAMDESCEX));
if (varValue._cByte != (ulong)(Marshal.SizeOf((typeof(PARAMDESCEX)))))
{
throw Error.DefaultValueCannotBeRead();
}
return(varValue._varDefaultValue.ToObject());
}
internal static object GetDefaultValue(ref PARAMDESC paramdesc) {
if ((paramdesc.wParamFlags & PARAMFLAG.PARAMFLAG_FHASDEFAULT) == 0) {
return DBNull.Value;
}
PARAMDESCEX varValue = (PARAMDESCEX)Marshal.PtrToStructure(paramdesc.lpVarValue, typeof(PARAMDESCEX));
if (varValue._cByte != (ulong)(Marshal.SizeOf((typeof(PARAMDESCEX))))) {
return DBNull.Value;
}
try {
// this may fail for various reasons such as no managed representation for native type
return varValue._varDefaultValue.ToObject();
} catch (Exception) {
return DBNull.Value;
}
}
internal static object GetDefaultValue(ref PARAMDESC paramdesc) {
if ((paramdesc.wParamFlags & PARAMFLAG.PARAMFLAG_FHASDEFAULT) == 0) {
return DBNull.Value;
}
PARAMDESCEX varValue = (PARAMDESCEX)Marshal.PtrToStructure(paramdesc.lpVarValue, typeof(PARAMDESCEX));
if (varValue._cByte != (ulong)(Marshal.SizeOf((typeof(PARAMDESCEX))))) {
throw Error.DefaultValueCannotBeRead();
}
return varValue._varDefaultValue.ToObject();
}
