Why my program ( VB6 made .exe file) will not release after terminated?

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Boki - 30 Sep 2004 08:31 GMT

Dear All,
My VB6 USB program will not be released after program
terminated, I don't know why.
Does it possible I didn't close/release USB control ( CreatFlie API) in
program?

Best regards,
Boki.

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Mike D Sutton @ Work - 30 Sep 2004 11:58 GMT

> My VB6 USB program will not be released after program
> terminated, I don't know why.
> Does it possible I didn't close/release USB control ( CreatFlie API) in
> program?

Use the CloseHandle() API call to release a handle created with CreateFile().
Hope this helps,

Mike

- Microsoft Visual Basic MVP -
E-Mail: EDais@mvps.org
WWW: Http://www.mvps.org/EDais/

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Boki - 30 Sep 2004 13:05 GMT

Still stick in memory...@@ .... help me ....

This is DisplayUSB.vbp that shows USB devices information.

===================================================
Private Sub Form_Unload(Cancel As Integer)

Dim ControllerIndex&
Dim HostControllerName$
Dim HostControllerHandle&
Dim SA As Security_Attributes

'
For ControllerIndex& = 0 To 3

HostControllerName$ = "\\.\HCD" & ControllerIndex&
HostControllerHandle& = CreateFile(HostControllerName$, &H40000000, 2,
SA, 3, 0, 0)

CloseHandle (HostControllerHandle&)
Next ControllerIndex&

End Sub
====================================================

Best regards,
Boki.

> > My VB6 USB program will not be released after program
> > terminated, I don't know why.
[quoted text clipped - 9 lines]
> E-Mail: EDais@mvps.org
> WWW: Http://www.mvps.org/EDais/

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VB Forum / General / September 2004

Why my program ( VB6 made .exe file) will not release after terminated?