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Form Class sometimes gives Memory Insufficient Error!!!
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From
06/08/1999 01:20:02
 
 
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General information
Forum:
Visual FoxPro
Category:
Classes - VCX
Title:
Form Class sometimes gives Memory Insufficient Error!!!
Miscellaneous
Thread ID:
00250545
Message ID:
00250545
Views:
48
In my app I need to pause the current process and display a message on an external (thru COM port) device. Since data is coming in from other ports on the computer that I monitor, I use a form class with a timer.

Form Props:

Top = 468
Left = 4
Height = 22
Width = 104
ShowWindow = 1
DoCreate = .T.
Caption = "Form1"
Visible = .T.
WindowType = 1
Name = "delayform"

Methods:

PROCEDURE Init
PARAMETERS nInterval
ThisForm.Timer1.Interval = nInterval
ThisForm.Timer1.Enabled = .T.
ENDPROC

PROCEDURE Unload
ret_value = .T.
RETURN ret_value
ENDPROC

The timer1 has this code in it's timer event:

PROCEDURE Timer
This.Enabled = .F.
Thisform.Release
ENDPROC

So I call it as so

obb = CREATEOBJECT("delayform",5000)
obb.show

So the form starts up and enables the timer which fires after 5 seconds. The Timer1.Timer event disables the timer and closes the form.THus I get my 5 second delay. (INKEY is out as it allows keystrokes to terminate it. )

This works fine for my needs. But of late I have noticed that I get an error at the CREATEOBJECT line

"Not Enough Memory to complete this operation" running in NT as well as 95/98.

I have checked in the locals window and the form object is released when the form closes. What is causing this memory error. Am I doing something wrong in the calling and releasing of the form? Is there a leak in memory?

Please help

Bernard
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