Shoutbox

code:

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var WM_USER = 0x0400;
var HK_GETKEY = (WM_USER+2);
var HK_SETKEY = (WM_USER+1);

function OnEvent_Initalize(bMessengerStart){
    WndSubclass = MsgPlus.CreateWnd('myWindow.xml', 'myWindow', 2 /* Used to not activate the window */);
    WndSubclass.RegisterMessageNotification(WM_HOTKEY); /* Register the hotkey message */
   
    var lRet = Interop.Call('user32', 'RegisterHotKey', WndSubclass, 0x001, hibyte(dHotKey), lobyte(dHotKey));
}

function OnWndSubclassEvent_MessageNotification(pPlusWnd, nMessage, wParam, lParam){
    switch(nMessage){
        case WM_HOTKEY:
            //Do whatever   
            break;
    }
}

function lobyte(w){ return w & 0xff; }
function hibyte(w){ return w >> 8; }

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This is the basics, now when you are setting the hotkey to the HotkeyControl you use HK_SetKey and to get the key you use HK_GetKey along with SendMessageW.