void __fastcall TForm1::Button1Click(TObject *Sender)
{
OpenDialog1->Title = "Delete File";
if (OpenDialog1->Execute())
//是否选择了文件
{
//判断文件是否存在
if (FileExists(OpenDialog1->FileName))
{
//询问是否要删除这个文件
if (MessageDlg(
("Do you really want to delete " + ExtractFileName(OpenDialog1->FileName) + "?"),
mtConfirmation,
TMsgDlgButtons() << mbYes << mbNo,
0,
mbNo) == mrYes)
DeleteFile(OpenDialog1->FileName); //删除文件
}
else
//否则不存在该文件
MessageDlg(("File " + ExtractFileName(OpenDialog1->FileName) + " does not exist."), mtConfirmation, TMsgDlgButtons() << mbOK, 0);
}
}
