public static object GetPropertyValue(
DataProperty dp,
bool return_string)
{
VariantData v = dp.Value;
VariantDataType t = v.DataType;
object o = null;
switch (t)
{
// Empty. No data stored.
case VariantDataType.None:
o = return_string ? "<null>" : null;
break;
// Unitless double value
case VariantDataType.Double:
o = return_string
? (object)Util.RealString(v.ToDouble())
: v.ToDouble();
break;
// Unitless 32 bit integer value
case VariantDataType.Int32:
o = return_string
? (object)v.ToInt32().ToString()
: v.ToInt32();
break;
// Boolean (true/false) value
case VariantDataType.Boolean:
o = return_string
? (object)(v.ToBoolean() ? "true" : "false")
: v.ToBoolean();
break;
// String intended for display to the end user (normally localized)
case VariantDataType.DisplayString:
o = v.ToDisplayString();
break;
// A specific date and time (usually UTC)
case VariantDataType.DateTime:
o = return_string
? (object)v.ToDateTime().ToShortTimeString()
: v.ToDateTime();
break;
// A double that represents a length (specific units depend on context)
case VariantDataType.DoubleLength:
o = return_string
? (object)Util.RealString(v.ToDoubleLength())
: v.ToDoubleLength();
break;
// A double that represents an angle in radians
case VariantDataType.DoubleAngle:
o = return_string
? (object)Util.RealString(v.ToDoubleAngle())
: v.ToDoubleAngle();
break;
// A named constant
case VariantDataType.NamedConstant:
o = return_string
? (object)v.ToNamedConstant().ToString()
: v.ToNamedConstant();
break;
// String intended to be used as a programmatic identifier. 7-bit ASCII characters
// only.
case VariantDataType.IdentifierString:
o = v.ToIdentifierString();
break;
// A double that species an area (specific units depend on context)
case VariantDataType.DoubleArea:
o = return_string
? (object)Util.RealString(v.ToDoubleArea())
: v.ToDoubleArea();
break;
// A double that species a volume (specific units depend on context)
case VariantDataType.DoubleVolume:
o = return_string
? (object)Util.RealString(v.ToDoubleVolume())
: v.ToDoubleVolume();
break;
// A 3D point value
case VariantDataType.Point3D:
o = return_string
? (object)Util.PointString(v.ToPoint3D())
: v.ToPoint3D();
break;
// A 2D point value
case VariantDataType.Point2D:
o = return_string
? (object)Util.PointString(v.ToPoint2D())
: v.ToPoint2D();
break;
}
return(o);
}