#include using namespace Upp; int alpha; void SecondThread() { for(;;) alpha++; } GUI_APP_MAIN { String x = "asdfasdfkjasdfkl alsjd fl hdasflk hdasfkl;jahs dlfkjh alsfhj la flf"; Thread d; d.Run(callback(SecondThread)); PromptOK("test"); __BREAK__; PromptOK("test"); }