procedure TForm1.SetActiveLanguage(LanguageName:string);
const
Translations='Translations';
Messages='Messages';
var
frmComponent:TComponent;
i:Integer;
begin
with TInifile.Create(ExtractFilePath(ParamStr(0))+LanguageName+'.ini') do
begin
for i:=0 to ComponentCount-1 do { 遍历Form组件 }
begin
frmComponent:=Components;
if frmComponent is TLabel then { 如果组件为TLabel型则当作TLabel处理，以下同 }
begin
(frmComponent as TLabel).Caption:=
ReadString(Translations,frmComponent.Name+'.Caption',(frmComponent as TLabel).Caption);
end;
if frmComponent is TCheckBox then
begin
(frmComponent as TCheckBox).Caption:=
ReadString(Translations,frmComponent.Name+'.Caption',(frmComponent as TCheckBox).Caption);
end;
if frmComponent is TButton then
begin
(frmComponent as TButton).Caption:=
ReadString(Translations,frmComponent.Name+'.Caption',(frmComponent as TButton).Caption);
(frmComponent as TButton).Hint:=
ReadString(Translations,frmComponent.Name+'.Hint',(frmComponent as TButton).Hint);
end;
if frmComponent is TMenuItem then
begin
(frmComponent as TMenuItem).Caption:=
ReadString(Translations,frmComponent.Name+'.Caption',(frmComponent as TMenuItem).Caption);
end;
end;
M1:=ReadString(Messages,'M1',M1);
end;
end;
在这个过程中，我们遍历了Form中的所有组件，根据他们的类别和组件名动态的从ini配置文件中读出应该显示的语言文字。
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