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    PropType

    Return the type of a property.

    Declaration

    Source position: typinfo.pp line 1224

    function PropType(Instance: TObject; const PropName: string) : TTypeKind;

    function PropType(AClass: TClass; const PropName: string) : TTypeKind;

    Description

    Proptype returns the type of the property PropName for a class. The class to be examined can be specified in one of 2 ways:

    AClass
    A class pointer.
    Instance
    An instance of the class.

    Errors

    No checks are done to ensure Instance or AClass are valid pointers. Specifying an invalid property name in PropName will result in an EPropertyError exception.

    See also

    Name Description
    IsPublishedProp Check whether a published property exists.
    IsStoredProp Check whether a property is stored.
    PropIsType Check the type of a published property.

    Example

    program example17;

{ This program demonstrates the PropType function }

{$mode objfpc}

uses rttiobj,typinfo;

Var
  O : TMyTestObject;

begin
  O:=TMyTestObject.Create;
  Writeln('Property tests    : ');
  Write('PropType(O,BooleanField)     : ');
  Writeln(TypeNames[PropType(O,'BooleanField')]);
  Write('PropType(Class,BooleanField) : ');
  Writeln(TypeNames[PropType(O.ClassType,'BooleanField')]);
  Write('PropType(O,ByteField)        : ');
  Writeln(TypeNames[PropType(O,'ByteField')]);
  Write('PropType(Class,ByteField)    : ');
  Writeln(TypeNames[PropType(O.ClassType,'ByteField')]);
  O.Free;
end.