BUG: List Box Does Not Display in FoxPro for MS-DOS

ID: Q138474

The information in this article applies to:

SYMPTOMS

If a Desktop screen holds a list box and a command button that shells to MS- DOS returns to the screen, the list box will not appear until the screen is exited.

WORKAROUND

Change the screen type from Desktop to Window in Screen Layout area (on the Screen menu, click Screen Layout).

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

Steps to Reproduce Problem

1. In the Command window, type each of these commands: 

   USE TUTORIAL\CUSTOMER.
   CREATE SCREEN LISTTEST
2. On the Screen menu, click List. Then click Prompt Field, and type CNO. 
   Type Junk as the variable name.
3. In the Valid event for the list box, type: 

   SHOW GETS
4. Click OK to return to the form. Size the list box as needed.

5. On the Screen menu, click Field. Then click SAY, and choose the 

   Customer.Company field. Select the Refresh check box. Click OK.
6. On the Screen menu, click Push Button. Type in prompts of MS-DOS and 
   Quit for the two options needed. Choose SELCHOICE as the variable.
7. In the Valid event for the push buttons, type: 

   DO CASE
     CASE SELCHOICE = 1
        CLEAR
        RUN COMMAND
        CLEAR
        SHOW GETS
     CASE SELCHOICE = 2
        CLEAR READ
   ENDCASE
   SHOW GETS
8. Run the screen, and click the MS-DOS button. Type EXIT at the MS-DOS 
   prompt, and note that the list box is now hidden.
9. Click the Quit Button to close the screen. Change the screen type to 
   Window. Run the screen, and click the MS-DOS button. Type EXIT at the
   MS-DOS prompt, and note that the list box is now visible.
Additional reference words: 2.60a FoxDos buglist2.60a refresh update KBCategory: kbtool kbbuglist KBSubcategory: FxtoolSbuilder

Last Reviewed: October 25, 1995