#define idcAddRange                     1000
#define idcDeleteRange                  1001
#define idcIsInRange                    1002
#define idcNextInRange                  1003
#define idcPrevInRange                  1004
#define idcClear                        1005
#define idcInput1                       1006
#define idcInput2                       1007
#define idcResult                       1008
#define idcPrint                        1009

INT_PTR CALLBACK RangeTestDlgProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);