public override object CreateProviderValue(DbGeometryWellKnownValue wellKnownValue)
{
CheckParameterNotNull("wellKnownValue", wellKnownValue);
if (wellKnownValue.WellKnownText != null)
{
return(InvokeStaticFunction(
SqlTypes.SqlGeometryType,
"STGeomFromText",
SqlTypes.SqlCharsFromString(wellKnownValue.WellKnownText),
wellKnownValue.CoordinateSystemId));
}
else if (wellKnownValue.WellKnownBinary != null)
{
return(InvokeStaticFunction(
SqlTypes.SqlGeometryType,
"STGeomFromWKB",
SqlTypes.SqlBytesFromByteArray(wellKnownValue.WellKnownBinary),
wellKnownValue.CoordinateSystemId));
}
else
{
throw new ArgumentException("wellKnownValue");
}
}
public override DbGeometry GeometryFromText(string wellKnownText, int coordinateSystemId)
{
CheckParameterNotNull("wellKnownText", wellKnownText);
var providerValue = InvokeStaticFunction(
SqlTypes.SqlGeometryType,
"STGeomFromText",
SqlTypes.SqlCharsFromString(wellKnownText),
coordinateSystemId);
return(GeometryFromProviderValue(providerValue));
}