type
TBaudRateProperty = class(TStringProperty)
public
function GetAttributes: TPropertyAttributes;
override;
procedure GetValues(Proc: TGetStrProc);
override;
function GetValue: string; override;
procedure SetValue(const Value: string);
override;
end;
...
type
TBaudRate=(br110,br300,br600,br1200,br2400,br4800,br9600,br14400,br19200,br38400,br56000,br128000,br256000);
const
BaudList : Array[TBaudRate] of string[7] =
('110','300','600','1200','2400','4800','9600','14400','19200','38400','56000','128000','256000');
{TBaudRateProperty}
function
TBaudRateProperty.GetAttributes : TPropertyAttributes;
begin
Result:=[paValueList];
end;
procedure
TBaudRateProperty.GetValues(Proc : TGetStrProc);
var
i : TBaudRate;
begin
for i:=Low(TBaudRate) to High(TBaudRate) do
Proc(BaudList[i]);
end;
function
TBaudRateProperty.GetValue: string;
begin
Result :=
BaudList[TBaudRate(GetOrdValue)];
end;
procedure
TBaudRateProperty.SetValue(const Value: string);
var
i : TBaudRate;
begin
for i:=Low(TBaudRate) to High(TBaudRate) do
if BaudList[i]= Value then begin
SetOrdValue(integer(i));
EXIT;
end;
inherited SetValue(Value);
end;
