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VFP, XP Tablet Signature Capture
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Contrôles ActiveX en VFP
Divers
Thread ID:
00834729
Message ID:
00841306
Vues:
25
Congratulations and thanks (you too ME!)! I have a Tablet project coming at the top of `04. I'll be sure to chase you down.

>I have completed a proof of concept and am working on my module for Electronic Signtaure Capture.
>
>I found a great Marcus Egger article that helped out tons
>http://advisor.com/doc/12538
>
>or in PDF format
>http://www.eps-software.com/download/whitepaper_tabletpc.pdf
>
>
>
>To sum up the scope of the project:
>I need to capture a signature using a Tablet PC and attach it to a specified Document. I do this using Windows XP Tablet SDK 1.5 Ink Collector Control (more on that in the Egger article) and XFRX or Crystal Reports
>
>I need to render a .FRX or .RPT to a PDF File, then create a key, encrypt it, then ecrypt the PDF file and the Signature (stored in a Serialized Ink Format)
>
>I am using the Windows Crypt API, Tablet XP SDK and XFRX from eqeus with great success.
>
>http://www.eqeus.com
>
>I'm guessing not many people here have tried this so I hope this helps anybody who wants to do this very task in the future.
>
>Lessons learned:
>VFP 6 does not play nice with the Tablet SDK's ink object when it comes to .GIF files, VFP 8 does.
>
>XFRX is a really cool product that extends FRX files to Word, Excel, HTML and PDF with ease.
>
>There is a good article in Fox Talk on using the Windows Crypt API complete with examples that need very little changed to make them work in a production environment.
>
>using PDF.OCX may not be documented or encouraged by many PDF exprets, but it works well as a viewer in VFP only when dragged and dropped on the form. Somehow I was quite unable to get a PDF to properly load when using CREATEOBJECT() and the proper ID for the PDF Viewer
>
>
>so if any of you have any questions after reading all that I may be able to help.
Imagination is more important than knowledge
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