LotusScript for Visual Basic Programmers - IBM Redbooks

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Comments Welcome xii We want our redbooks to be as helpful as possible. Should you have any comments about this or other redbooks, please send us a note at the following address: redbook@vnet.ibm.com. Your comments are important to us!
Chapter 1 LotusScript and Visual Basic: A Comparison History This chapter describes the differences and similarities between Visual Basic Release 4 and LotusScript, which comes as part of Lotus Notes Release 4 and other Lotus products, such as Word Pro, Freelance, and Approach. We will compare the syntactical language portions of LotusScript and Visual Basic. We will also look at the environments that these languages work within. Visual Basic relies on the Visual Basic design environment, access to external controls and host applications such as Excel. LotusScript relies on Notes, Word Pro and other Lotus products to provide the user interface it needs to operate within. So, while the primary focus will be on the syntax, we will often explain the advantages gained by using these external tools with both LotusScript and Visual Basic. Some of the topics covered are: A syntactical language comparison The programming model of each language The Object-Oriented development characteristics of each External objects; such as servers, controls, components that add to the language. Microsoft released Visual Basic in 1989, but the language has actually been in use since the 1960s. In fact, there are now many versions of BASIC available, with implementations found in tools such as Powerbuilder, ToolBook, Visual Basic and Lotus Notes Release 4. Prior to Release 4 of Notes, Lotus applications used a macro command language as the method of development. While this macro language is fairly robust in power, professional developers have come to prefer a more powerful development language. 1
Page 1 and 2: LotusScript for Visual Basic Progra
Page 3 and 4: Abstract This redbook describes how
Page 5 and 6: NotesTimer ................... ....
Page 7 and 8: Preface This redbook describes how
Page 9: Chapter 12, “Using Notes as an OL
Page 13 and 14: Object-Oriented Terminology LotusSc
Page 15 and 16: There are many good examples of how
Page 17 and 18: LotusScript only allows arrays and
Page 19 and 20: File I/O Code such as the following
Page 21 and 22: "frmMain::cmdUpdateDB_Click") then
Page 23 and 24: MessageBox Visual Basic developers
Page 25 and 26: Extending the Code Visual Basic pro
Page 27 and 28: Lotus Components You can add Window
Page 29 and 30: Lotus, creating a cut-down version
Page 31 and 32: Once you have created the object, y
Page 33 and 34: Public Function PostError(ErrNumber
Page 35 and 36: 1. Consts move out of the class int
Page 37 and 38: In Visual Basic sending a message i
Page 39 and 40: Where LotusScript commands and synt
Page 41 and 42: Chapter 2 The Notes Integrated Deve
Page 43 and 44: Action Pane This is the narrow wind
Page 45 and 46: Run Area The three radio buttons sp
Page 47 and 48: 4. Click the Methods twistie, and a
Page 49 and 50: When you enter structured programmi
Page 51 and 52: ut the results are different. Such
Page 53 and 54: Before we let the code run to the b
Page 55 and 56: The following figure shows the hier
Page 57 and 58: NotesACL Every NotesDatabase contai
Page 59 and 60: NotesAgent NotesAgent is contained
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Method Description New Creates a ne
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Method Description UnprocessedSearc
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NotesDateTime NotesDateTime is cont
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Property Description Name Read-only
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Method Description Save Saves any c
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Property Description UniversalID Re
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NotesEmbeddedObject The NotesEmbedd
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NotesInternational The NotesInterna
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NotesLog Property Description IsNam
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NotesName The NotesName class will
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NotesRichTextItem NotesRichTextItem
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Method Description CreateNewsletter
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NotesTimer The NotesTimer class wil
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Method Description GetPrevSibling G
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NotesUIWorkspace NotesUIWorkspace c
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Method Description FindFreeTimeDial
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NotesUIDatabase The NotesUIDatabase
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The following figure shows how it w
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Dim doc As Object We create a refer
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Declaring Notes Classes in Visual B
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In Visual Basic, we can access the
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Dim doc As Object Dim item As Objec
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The following figure shows a Visual
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Chapter 5 Converting HiTest Applica
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We declare an hgstatus variable. Al
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Converting a HiTest Application Usi
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2. Put the following code on the Cr
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Converting a HiTest Application to
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6. Enter the following code on the
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10. From the Notes menu, choose Fil
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Accessing Notes Session Properties
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Example This example sets the value
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HiTest Functions Notes Class method
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Accessing Notes Sessions in LotusSc
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Chapter 7 Accessing Notes Databases
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We set the property of hgdatabase.
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HiTest Name LotusScript Notes Class
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All of the methods mentioned above
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REM view becomes a NotesView object
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We create a new database on a local
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Dim hgviewid As Long Dim hgview As
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Following is an explanation of the
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We declare a session, db and view w
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The HiTest Visual Basic API does no
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Chapter 9 Accessing Notes Documents
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We create and open a new document u
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HiTest Function Name Notes Classes
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Set doc = dc.GetFirstDocument(1247)
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NotesUIDocument = EditDocument([boo
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Set dc = db.AllDocuments Set doc =
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We enter text in the Subject, Categ
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Attachments Internally, Lotus Notes
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hgstatus = HTDocumentClose(hgdest_d
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Windows 3.1. For details on the OLE
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Dim db As NotesDatabase Dim view As
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Perform the following steps to crea
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Tip You can select Display as icon
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Creating a Linked Object 3. Choose
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Creating an Embedded Object Using L
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Messagebox msg$, boxType, "Successf
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Embedding a New Object in a Documen
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Note If you do not want to create t
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answer% = Messagebox ("Object has b
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16. Click Yes to confirm that you w
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7. Select the Show twistie when row
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Editing a Linked Object Note If you
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Editing an Embedded or a Linked Obj
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The object’s application is launc
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Following is a description of the L
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(10) Select Case object.Type Case E
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This statement assigns object as a
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HiTest Class Agent Attachment CDRec
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HiTest Class Datetime Document HiTe
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HiTest Class Item HiTest Functions
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HiTest Class User View Viewcell HiT
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other operating environments may va
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How To Get ITSO Redbooks This secti
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How Customers Can Get ITSO Redbooks
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H handling errors, 95 hierarchical
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