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I need to develop an Activex control
Filippo
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08-30-2005 08:58 AM - edited 08-30-2005 08:58 AM
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I need to develop an ActiveX control by Visual Basic.NET 2003, and I have to use it in LabVIEW 7. I search tutorials or any help about it. I found tutorials for VB6, but nothing for VB.NET, in which the ActiveX project does not exist. Can anyone help me ?
Many thanks.
Filippo
Message Edited by Filippo on 08-30-2005 08:58 AM
Lycangeek
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08-30-2005 09:07 AM
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Is there any reason you don't want to create a .NET class instead? That is what the new version of VS.NET is all about...
What does this code need to do?
Final suggestion - you might try repeating this question on the MeasurementStudio forum as that has many more Visual Studio customers on it.
Brian Tyler
http://detritus.blogs.com/lycangeek
http://detritus.blogs.com/lycangeek
AlessioD
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08-31-2005 01:15 AM
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Also, remember that LabVIEW provides tight integration with .NET native Code. This means that if you create a.NET assembly (class, whatever) LabVIEW will be able to make calls to it exactly as it was able to call properties and methods from an ActiveX. The only thing that changes is perspective.
Cheers
AlessioD
08-31-2005 03:10 AM
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I attempt to explain the problem. Sorry form my English.
I have to horizzontaly scroll a ListBox, in a LabVIEW software, but with an external scrollbar. In the ListBox there is an horizzontal scrollbar, but is not possible, I think, to control it. I thinked to develope a custom control with a custom ActiveX, and I have some problem about it.
However, if someone has other pieces of advices for my problem, for me is ok !
Thanks.
Filippo
pincpanter
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08-31-2005 04:24 AM
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Ciao Filippo,
you can use the control property TopRow.
This property should range from 0 to N-1 (N is the list length) and controls what is the element displayed on the first visible row of the ListBox.
If you don't know N, you may get it reading the property ItemNames (it's an array of strings) and obtaining its size.
I hope that this will help you.
Paolo
you can use the control property TopRow.
This property should range from 0 to N-1 (N is the list length) and controls what is the element displayed on the first visible row of the ListBox.
If you don't know N, you may get it reading the property ItemNames (it's an array of strings) and obtaining its size.
I hope that this will help you.
Paolo
Paolo
-------------------
LV 7.1, 2011, 2017, 2019, 2021
-------------------
LV 7.1, 2011, 2017, 2019, 2021
08-31-2005 08:45 AM
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Your suggestion is ok, but for a vertical scroll. On the contrary, I have to scroll horizontally the item displayed, because in my LabVIEW SW the width of the column can be lover then the length of the strings. Moreover I have to use an external scrollbar and not the ListBox horizontal scrollbar.
Thanks to everybody.
Filippo
