//--------------------------------------------------------------------------- #include #pragma hdrstop #include "Unit1.h" //--------------------------------------------------------------------------- #pragma package(smart_init) #pragma resource "*.dfm" TForm1 *Form1; //--------------------------------------------------------------------------- __fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) { } //--------------------------------------------------------------------------- void __fastcall TForm1::Button1Click(TObject *Sender) { AnsiString as; Label1->Caption = as = ExtractFileExt (Edit1->Text); Label2->Caption = IntToStr((int)as.IsEmpty()); } //---------------------------------------------------------------------------