Class

Xojo.Introspection.TypeInfo

Warning

This item was deprecated in version 2020r2. Please use Introspection as a replacement.

Description

Contains type information for objects, arrays, simple data types and structures.

Property descriptions

Xojo.Introspection.TypeInfo.BaseType

BaseType As TypeInfo

Gets parent (or Super) of the current object. Allows you to navigate the type hierarchy from child to parent.

This property is read-only.

Xojo.Introspection.TypeInfo.FullName

FullName As Text

The fully qualified name used as a unique identifier. This can differ from the simple name whenever the type lives in a namespace.

This property is read-only.

Xojo.Introspection.TypeInfo.HasElementType

HasElementType As Boolean

Compound data types have their own attributes as well as an element type.

This property is read-only.

Xojo.Introspection.TypeInfo.IsArray

IsArray As Boolean

Indicates the item is an array.

This property is read-only.

Xojo.Introspection.TypeInfo.IsClass

IsClass As Boolean

Indicates the item is a class.

This property is read-only.

Xojo.Introspection.TypeInfo.IsEnum

IsEnum As Boolean

Indicates the item is an enumeration.

This property is read-only.

Xojo.Introspection.TypeInfo.IsInterface

IsInterface As Boolean

Indicates the item is a class interface.

This property is read-only.

Xojo.Introspection.TypeInfo.IsPointer

IsPointer As Boolean

Indicates the item is a Ptr or another external pointer type.

This property is read-only.

Xojo.Introspection.TypeInfo.IsPrimitive

IsPrimitive As Boolean

Indicates the item is a primitive type, which are: Boolean, String, String, Color, Integer, Double, Single, Currency and other numeric types.

This property is read-only.

Xojo.Introspection.TypeInfo.IsPrivate

IsPrivate As Boolean

Checks if the item has private scope.

This property is read-only.

Xojo.Introspection.TypeInfo.IsProtected

IsProtected As Boolean

Checks if the item has protected scope.

This property is read-only.

Xojo.Introspection.TypeInfo.IsPublic

IsPublic As Boolean

Checks if the item has public scope.

This property is read-only.

Xojo.Introspection.TypeInfo.IsValueType

IsValueType As Boolean

Indicates the item is a value type, which means it is not a reference. With value types, assignments copy the value itself rather than the reference to the value. Primitive, pointer, structure and enum types are all value types.

This property is read-only.

Xojo.Introspection.TypeInfo.Name

Name As Text

The name of the item.

This property is read-only.

Gets the names of methods on a class:

Using Xojo.Introspection

Var obj As New Class1
Var info As TypeInfo = GetType(obj)
Var methods() As MethodInfo = info.Methods

Var methodNames() As Text
For Each m As MethodInfo In methods
  methodNames.AddRow(m.Name)
Next

Method descriptions

Xojo.Introspection.TypeInfo.ArrayElementType

ArrayElementType As TypeInfo

Returns the type information for the array.

Xojo.Introspection.TypeInfo.ArrayRank

ArrayRank As Integer

The number of dimensions of an array. For arrays only (IsArray = True).

Xojo.Introspection.TypeInfo.Constructors

Constructors As ConstructorInfo

Note

Constructors are special methods called when you create an object with the New keyword and pass in the parameters above.

Xojo.Introspection.TypeInfo.GetAttributes

GetAttributes As AttributeInfo

Gets the attributes for the associated item.

The following code gets the attributes for the window containing the code:

Var myAttributes() As Introspection.AttributeInfo
myAttributes = GetType(Self).GetAttributes

Xojo.Introspection.TypeInfo.IsSubClassOf

IsSubClassOf(c As TypeInfo) As Boolean

Returns True if this item a subclass of the specified type c. False if not.

Xojo.Introspection.TypeInfo.Methods

Methods As MethodInfo

Returns an array of methods for the item, which must be a class instance.

Xojo.Introspection.TypeInfo.Parameters

Parameters As ParameterInfo

Gets the parameters for the member.

Xojo.Introspection.TypeInfo.Properties

Properties As PropertyInfo

Returns an array of the properties for the item, which must be a class instance.

Notes

Xojo.Introspection.TypeInfo automatically converts to standard Introspection.TypeInfo.

Compatibility

All projects types on all supported operating systems.