Home > database > Pb12.5 under a strange question, to solve
Pb12.5 under a strange question, to solve
Time:10-12
I defined a custom window object winbase, the above three controls, respectively ddlpb_1, st_1, tv_1, a main window winmain inherited from winbase, after running the program, opened the winmain and choosing tv_1 tree structure, double click on the item of the tree, and beneath the doubleclicked script does not reflect, even write a messagebox (' a ', 'b'), also do not reflect, why? Solving, under pb9 can ah,