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PowerBuilder, disable system menu`s close button

June 1, 2018 User 0

ulong ll_parent_hwnd ulong ll_sys_menu_hwnd ulong ll_sys_menu_close_flags ulong ll_ret n_cst_numerical u_num ll_parent_hwnd = Handle(this.parentwindow()) ll_sys_menu_hwnd = GetSystemMenu(ll_parent_hwnd, FALSE) ll_sys_menu_close_flags = GetMenuState(ll_sys_menu_hwnd, SC_CLOSE, MF_BYCOMMAND ) ll_ret = […]