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Obsydian Tips & Techniques

Doctor Obsydian doctoro@synon.com AKA : Adrian Slade Principal Pattern Engineer aslade@synon.com. Obsydian Tips & Techniques. Schedule. Part 1 - ActiveX Choosing a script Script techniques Script gotcha’s Debugging Script help resources Part 2 - Creative Meta Code Global properties

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Obsydian Tips & Techniques

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  1. Doctor Obsydian doctoro@synon.com AKA : Adrian Slade Principal Pattern Engineer aslade@synon.com ObsydianTips & Techniques

  2. Schedule • Part 1 - ActiveX • Choosing a script • Script techniques • Script gotcha’s • Debugging • Script help resources • Part 2 - Creative Meta Code • Global properties • Function calls • Using with ActiveX

  3. ActiveX - Choosing A Script • JScript • Live script • VB script • Visual Basic

  4. ActiveX - Script Techniques 1 • Source code or file • #External <file name> • Setting properties • Supercedes the API’s • Set one or many in a script • Pass and manipulate values as parameters

  5. ActiveX - Setting Properties

  6. ActiveX - Script Techniques 2 • Source code or file • Setting properties • Reacting to events • Events are script subroutines • Retained by the engine • Call API the at start of function

  7. ActiveX - Reacting To Events

  8. ActiveX - Script Techniques 3 • Source code or file • Setting properties • Reacting to events • Interacting with the Action Diagram • Runtime supplied methods for Values and Events

  9. ActiveX - Action Diagram

  10. ActiveX - Script Techniques 4 • Source code or file • Setting properties • Reacting to events • Interacting with the Action Diagram • Calling methods • Parameters are optional

  11. ActiveX - Calling Methods

  12. ActiveX - Script Techniques 5 • Source code or file • Setting properties • Reacting to events • Interacting with the Action Diagram • Calling methods • Creating objects • Does not need an ActiveX • Specific to an object model

  13. ActiveX - Creating Objects

  14. ActiveX - Script Gotcha’s • Value type • The ‘SET’ instruction • Function parentheses • Unsupported objects • Event parameters have no effect • Event processing out of sequence • Visual Basic for Applications and Visual Basic 5.0

  15. ActiveX - Debugging • Can be difficult • Use MsgBox “a string or value” • Learn to use Dev Studio in debug mode • Check parentheses and SET instruction • Use the Test mode in the panel designer • Windows Scripting Host?

  16. ActiveX - Script Help Resources • Microsoft • VB script tutor • Product help files • Visual Basic • ActiveX supplier • Help files • VBscript for Dummies • Learn the Object Model

  17. Useful Web Addresses • www.synon.com/LavaLounge/TechnicalCorner/Dr_O/ • www.microsoft.com/VBscript/ • www.microsoft.com/JScript/ • www.microsoft.com/vbscript/us/vbstutor/vbstutor.htm • www.webadvisor.com/vbscript.html • www.vbscripts.com/ • www.microsoft.com/sitebuilder/ • www.amazon.com • www.shersoft.com • www.download.com • www.vbextras.com

  18. Questions So Far ?

  19. Creative Meta Code • Examples to spark your imagination - I hope. • Code taken from real working functions

  20. Meta - Global Properties • Only works for client C++ • Makes data available to all functions • within an .EXE’s call graph

  21. Meta - Global Properties 1

  22. Meta - Global Properties 2

  23. Meta - Function Calls • Only works for client C++ • Driven by the model • No parameters allowed

  24. Meta - Function Calls 1

  25. Meta - Function Calls 2

  26. Meta - With An ActiveX • Loads images into an ImageList • Model driven • Gets the image name from the NAME object • Gets the image location from the Narrative of the NAME object

  27. Meta - With An ActiveX

  28. Meta - With An ActiveX

  29. Any More Questions ?

  30. ObsydianTips & Techniques Doctor Obsydian doctoro@synon.com AKA : Adrian Slade Principal Pattern Engineer aslade@synon.com

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