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Program trtti1;
{$Mode Delphi}
{$M+}
Uses
Rttiobj,Typinfo;
Procedure TestGetPropInfo (O : TMyTestObject);
Const YesNo : Array[Boolean] of string[5] = (' NO ',' YES');
Var
PT : PTypeData;
PI : PTypeInfo;
I : Longint;
PP : PPropList;
begin
PI:=O.ClassInfo;
Writeln ('Type kind : ',TypeNames[PI^.Kind]);
Writeln ('Type name : ',PI^.Name);
PT:=GetTypeData(PI);
If PT^.ParentInfo=Nil then
Writeln ('Object has no parent info')
else
Writeln ('Object has parent info');
Writeln ('Property Count : ',PT^.PropCount);
Writeln ('Unit name : ',PT^.UnitName);
GetMem (PP,PT^.PropCount*SizeOf(Pointer));
GetPropInfos(PI,PP);
For I:=0 to PT^.PropCount-1 do
If PP^[i]<>Nil then
With PP^[I]^ do
begin
Write('Property: ',Name:26,' (');
Write(YesNo[GetPropInfo(PI,Name)=PP^[i]]);
Write(YesNo[GetPropInfo(O,Name)=PP^[I]]);
Write(YesNo[GetPropInfo(O.ClassType,Name)=PP^[I]]);
Write(YesNo[GetPropInfo(PI,Name,tkProperties)=PP^[i]]);
Write(YesNo[GetPropInfo(O,Name,tkProperties)=PP^[I]]);
Write(YesNo[GetPropInfo(O.ClassType,Name,tkProperties)=PP^[I]]);
Write(YesNo[FindPropInfo(O,Name)=PP^[I]]);
Write(YesNo[FindPropInfo(O.ClassType,Name)=PP^[I]]);
Writeln(')')
end;
end;
Procedure TestGet (O : TMyTestObject);
Var
PT : PTypeData;
PI : PTypeInfo;
I,J : Longint;
PP : PPropList;
prI : PPropInfo;
begin
PI:=O.ClassInfo;
Writeln ('Type kind : ',TypeNames[PI^.Kind]);
Writeln ('Type name : ',PI^.Name);
PT:=GetTypeData(PI);
If PT^.ParentInfo=Nil then
Writeln ('Object has no parent info')
else
Writeln ('Object has parent info');
Writeln ('Property Count : ',PT^.PropCount);
Writeln ('Unit name : ',PT^.UnitName);
GetMem (PP,PT^.PropCount*SizeOf(Pointer));
GetPropInfos(PI,PP);
For I:=0 to PT^.PropCount-1 do
begin
pri:=PP^[i];
With Pri^ do
begin
Write ('(Examining ',name,' : Type : ',TypeNames[PropType^.Kind],', ');
If (Proptype^.kind in Ordinaltypes) Then
begin
J:=GetOrdProp(O,pri);
Write ('Value : ',j);
If PropType^.Kind=tkenumeration then
Write ('(=',GetEnumName(Proptype,J),')')
end
else
Case pri^.proptype^.kind of
tkfloat : begin
Write ('Value : ');
Flush(output);
Write(GetFloatProp(O,pri))
end;
tkAstring : begin
Write ('value : ');
flush (output);
Write(GetStrProp(O,Pri));
end;
else
Write ('Untested type:',ord(pri^.proptype^.kind));
end;
Writeln (')');
end;
end;
end;
Var O : TMyTestObject;
begin
O:=TMyTestObject.Create;
TestGetPropInfo(O);
// testget(o);
end.
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