void __fastcall TMain::ChannelOnOff(TObject *Sender)
{
    TRect Rect;

    for(int i=0; i<ListView_Output->Items->Count; i++){
        if(ListView_Output->Items->Item[i]->Selected == true){
            if(strcmpi(ListView_Output->Items->Item[i]->SubItems->Strings[0].c_str(), "On")==0){
    OutputThread->ulOutputData[i/32] = OutputThread->ulOutputData[i/32]&(~(1<<(i%32)));
                ListView_Output->Items->Item[i]->SubItems->Strings[0] = "Off";

                #if 1
                Rect = ListView_Output->Items->Item[i]->DisplayRect(drBounds);
                ListView_Output->Canvas->Brush->Color = clWhite;
                ListView_Output->Canvas->FillRect(Rect);
                #endif
            }
            else{
    OutputThread->ulOutputData[i/32] = OutputThread->ulOutputData[i/32]|(1<<(i%32));
                ListView_Output->Items->Item[i]->SubItems->Strings[0] = "On";

                #if 1
                Rect = ListView_Output->Items->Item[i]->DisplayRect(drBounds);
                ListView_Output->Canvas->Brush->Color = clYellow;
                ListView_Output->Canvas->FillRect(Rect);
                #endif
            }
            ListView_Output->Canvas->Font->Size = 8;
            ListView_Output->Canvas->Font->Color = clBlack;
            ListView_Output->Canvas->Font->Name = "굴림";
        }
    }
}

위의 코드와 같이 했는데 로우을 선택하면 색깥이 변했다가 다른 로우로 이동하면 원래의 색깔로 변합니다.

그리고 이벤트는 더블클릭 이벤트입니다.

즐거운 주말되세요.