[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'TypInfo' (#rtl)

# GetStrProp

Return the value of a string property.

## Declaration

Source position: typinfo.pp line 805

`function GetStrProp(`
`Instance: TObject;`
`PropInfo: PPropInfo`
`):Ansistring; function GetStrProp(`
`Instance: TObject;`
`const PropName: string`
`):string;`

## Description

GetStrProp returns the value of the string property described by PropInfo or with name PropName for object Instance.

## Errors

No checking is done whether Instance is non-nil, or whether PropInfo describes a valid string property of Instance. Specifying an invalid property name in PropName will result in an EPropertyError exception.

## See also

SetStrProp |  | Set value of a string property
SetWideStrProp |  | Set a widestring property
GetOrdProp |  | Get the value of an ordinal property
GetFloatProp |  | Return value of floating point property
GetInt64Prop |  | return value of an Int64 property
GetMethodProp |  | Return value of a method property

## Example

    program example3;

    { This program demonstrates the GetStrProp function }

    {$mode objfpc}

    uses rttiobj,typinfo;

    Var
      O : TMyTestObject;
      PI : PPropInfo;

    begin
      O:=TMyTestObject.Create;
      PI:=GetPropInfo(O,'AnsiStringField');
      Writeln('String property : ');
      Writeln('Value                   : ',O.AnsiStringField);
      Writeln('Get (name)              : ',GetStrProp(O,'AnsiStringField'));
      Writeln('Get (propinfo)          : ',GetStrProp(O,PI));
      SetStrProp(O,'AnsiStringField','First');
      Writeln('Set (name,''First'')      : ',O.AnsiStringField);
      SetStrProp(O,PI,'Second');
      Writeln('Set (propinfo,''Second'') : ',O.AnsiStringField);
      O.Free;
    end.

Documentation generated on: May 14 2021