PRB: Memory is Low Error Message when Printing to Screen (250350)

SYMPTOMS

When printing characters to the desktop in Microsoft Visual FoxPro 6.0, the following error might occur:

Memory is low, streaming output updating has been disabled.

This error does not appear to occur in Visual FoxPro 3.0, 5.0, or 5.0a.

RESOLUTION

In the example below, removing the @...BOX command or the SAVE SCREEN TO and RESTORE SCREEN FROM commands prevents the error message.

Also, using @...CLEAR instead of simply using CLEAR between the RESTORE SCREEN commands prevents the error message.

MORE INFORMATION

This error most often occurs when converting legacy code from FoxPro 2.x for Microsoft Windows or MS-DOS into Visual FoxPro 6.0. Upgrading to Microsoft Visual Studio Service Pack 3 does not fix the problem. In the code example below, the @...BOX, SAVE SCREEN, and RESTORE SCREEN commands act to cause the error. However, printing other characters or using other commands to display data to the desktop might also cause the problem.

Steps to Reproduce Behavior

Create a program containing the following code and execute it:

FOR i=1 TO 10
@1,1 SAY ""
SAVE SCREEN && TO scrn2
CLEAR
@ 5,30,5,50 BOX
RESTORE SCREEN && FROM scrn2
CLEAR
RESTORE SCREEN && FROM scrn2
@ 15,1,15,33 BOX
ENDFOR

Note that the error mentioned in the "Symptoms" section of this article appears repeatedly.

REFERENCES

For additional information this error message, click the article number below to view the article in the Microsoft Knowledge Base:

162301 FIX: @ SAY Causes Error After SET DEVICE to PRINTER Command