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Old November 9th 05, 12:50 AM posted to microsoft.public.excel.programming
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Default asynchronous Procedure Calls

Can anyone point me to a good resource on writing asynchronous procedure
calls? I am particually interested to know if it is possible to do an
asynchronous call on the application.run("") procedure.

- Rm

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Old November 9th 05, 12:58 AM posted to microsoft.public.excel.programming
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Default asynchronous Procedure Calls

Robert,

I think Excel (in any single instance) is single-threaded, so I'm not surre
it supports true asynchronous calls.

Tim.

--
Tim Williams
Palo Alto, CA


"Robert Mulroney" '''' wrote in message
...
Can anyone point me to a good resource on writing asynchronous procedure
calls? I am particually interested to know if it is possible to do an
asynchronous call on the application.run("") procedure.

- Rm



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Old November 9th 05, 01:19 AM posted to microsoft.public.excel.programming
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First recorded activity by ExcelBanter: Oct 2005
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Default asynchronous Procedure Calls

I just want to be able to a cancel button to a form so users can end a
calculation if it's taking too long.

"Tim Williams" wrote:

Robert,

I think Excel (in any single instance) is single-threaded, so I'm not surre
it supports true asynchronous calls.

Tim.

--
Tim Williams
Palo Alto, CA


"Robert Mulroney" '''' wrote in message
...
Can anyone point me to a good resource on writing asynchronous procedure
calls? I am particually interested to know if it is possible to do an
asynchronous call on the application.run("") procedure.

- Rm




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Old November 9th 05, 01:52 AM posted to microsoft.public.excel.programming
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First recorded activity by ExcelBanter: Dec 2006
Posts: 19
Default asynchronous Procedure Calls

in your case, you can put "DoEvents" inside the long calculation/loop
so vba can catch the cancel button events
still it is not asynchronous and it's not the best way, but it's simple

"Robert Mulroney" wrote:

I just want to be able to a cancel button to a form so users can end a
calculation if it's taking too long.

"Tim Williams" wrote:

Robert,

I think Excel (in any single instance) is single-threaded, so I'm not surre
it supports true asynchronous calls.

Tim.

--
Tim Williams
Palo Alto, CA


"Robert Mulroney" '''' wrote in message
...
Can anyone point me to a good resource on writing asynchronous procedure
calls? I am particually interested to know if it is possible to do an
asynchronous call on the application.run("") procedure.

- Rm




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Old November 9th 05, 02:16 AM posted to microsoft.public.excel.programming
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First recorded activity by ExcelBanter: Oct 2005
Posts: 71
Default asynchronous Procedure Calls

Yeah, I would normally do that but the procedure that I'm calling is from a
3rd party product, I have no control over the function I'm trying to cancel.
At the moment my fuction looks something like this:


public sub doCalc()

frmCCPending.show
Activesheet.calculate

' I want to call this async
Application.run("onCalculateHandler")
frmCCPending.hide

End Sub

and we wait on the last line. I'd like to have a cancel button on
frmCCPending that ends the async call. The procedure "onCalculateHandler" is
defined in a locked 3rd party addin so I can't alter it and put a doEvents
call in it.


- Rm

"Alvin" wrote:

in your case, you can put "DoEvents" inside the long calculation/loop
so vba can catch the cancel button events
still it is not asynchronous and it's not the best way, but it's simple

"Robert Mulroney" wrote:

I just want to be able to a cancel button to a form so users can end a
calculation if it's taking too long.

"Tim Williams" wrote:

Robert,

I think Excel (in any single instance) is single-threaded, so I'm not surre
it supports true asynchronous calls.

Tim.

--
Tim Williams
Palo Alto, CA


"Robert Mulroney" '''' wrote in message
...
Can anyone point me to a good resource on writing asynchronous procedure
calls? I am particually interested to know if it is possible to do an
asynchronous call on the application.run("") procedure.

- Rm





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