activate_button.cpp

int buttonNum = getarg(0); // First param is my buttonID#.
string buttonId = format("%d", buttonNum); // Convert the number to a string
int buttonCode = ActionPadGetItemMemberCode(buttonId); // Get the button's member id Code

switch(buttonNum){
  case 21: int nPreset = 2;
    CuelistStart(QL(nPreset)); // Start the specified cuelist
    VersatileMasterStartAutoFade(nPreset, 100, 3000);// Fade the requested cuelist up
    ActionPadSetItemActiveState(buttonCode, 1); // Set that button to be active.
    break;
  case 22: int nPreset = 3;
    CuelistStart(QL(nPreset)); // Start the specified cuelist
    VersatileMasterStartAutoFade(nPreset, 100, 3000);// Fade the requested cuelist up
    ActionPadSetItemActiveState(buttonCode, 1); // Set that button to be active.
    break; 
  case 23: int nPreset = 4;
    CuelistStart(QL(nPreset)); // Start the specified cuelist
    VersatileMasterStartAutoFade(nPreset, 100, 3000);// Fade the requested cuelist up
    ActionPadSetItemActiveState(buttonCode, 1); // Set that button to be active.
    break;
}