23.05.2012, 08:44
nvm I solved it alone
ShowPlayerDialog(playerid, DIALOG_SPAWN, DIALOG_STYLE_MSGBOX, string);
ShowPlayerDialog(playerid, DIALOG_SPAWN, DIALOG_STYLE_MSGBOX, string, "Button1", "Button2");
ShowPlayerDialog(playerid, DIALOG_SPAWN, DIALOG_STYLE_MSGBOX, string, "Button", "");