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- !! A List of Links to various OLE docs !!
- !! Understanding COM !!
- 1129 ObjectCreate
- 1129 OleInitiate Failed UAC
- 1129 OleInitiate Failed
- 1251 Ole - WIL Ole interface Dll not found
- Access to Excel Converter
- Access2000 Transaction Processing Demo
- Add Application to the Windows Firewall Exceptions List
- ADO vs ODBC
- ADO vs OLEDB vs ODBC
- Automatic Update from MicroSoft
- Bring up the RUN Dialog
- BYREF return parameters
- Close All Open OLE COM Objects
- Close an Object
- Closing Objects Explained
- Code to Create a Temporary DB
- Collaboration Data Objects Roadmap
- COM Constants for MS Office Applications
- COM Interfaces Explained
- COM Widestring Value Issue
- CommandTimeOut - lesson learned
- Connection String
- Convert Data Returned OLE
- Converting Pre 2004B OLE Scripts
- Copy Table Structure With SQL
- Create Object
- Create Recordset in Memory
- CreateObject Remote Computer
- Database ISAM Example
- dBase IV Creation
- Delete Mailbox in Exchange
- Determining if a Particular Update has Been Installed
- Determining Whether Automatic Updates is Enabled
- Display the Windows Run Dialog Box
- Does WinBatch Support 3rd party COM objects
- DSO Tabular Paging Demo
- Enumerate Citrix Applications
- Find Object Name and Properties
- Find User on Workstation
- ForEach Problem
- Generate GUIDs using ObjectType
- Get Audio File Information
- Get Information for IOMega Zip Drive
- Get Number of Records in Each Table
- Getting Multivalued Properties and Arrays
- GUID Create
- Handle Reassignment
- How to include an Office Assistant
- Insert Data into an SQL Server 2000
- Install CAPICOM on Win7
- Intcontrol 71 and Number of OLE Channels
- Interacting with Citrix
- IPCONFIG Results From STDOUT
- IsObject UDF
- List Components in Com Catalog
- List Databases on a Server
- List OLE DB Providers
- Load Data from ASCII File to a Java Applet Window
- MatLab COM Automation
- Method with Variant Parameters Explained
- Multi-Dimensional SafeArrays are NOT supported
- Named Parameters
- Object 101
- ObjectCreate Cannot Access Remote Server
- ObjectEventAdd Issue
- Office 2007 Driver Tips
- OLE COM Default Member Discussion
- OLE Explanation
- OLE Failing unless IE4 Installed - DCOM98
- OLE Property and Method Name Limit
- OLE Shell functions
- OLE2 Automation Tips
- Open DB and Permit Working with Tables
- Oracle Objects
- Pass ByRef Type Parameter
- Passing an Array as a Parameter to an OLE Method
- Passing Parameters
- Primer - Fabricated Hierarchical Recordsets
- Problems Writting a VB to WinBatch OLE Code Converter
- Read and Write to a Parallel Port
- RecordSets to HTML - with some Javascript
- Regular Expressions with WB
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- Sample Code to Query a MIMSXServer
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- Set Proxy Server and Port
- Setting Group Policy Objects
- Shell ExtendedProperty
- Shell Helper Object
- SQL Server Update Stored Procedure
- Textract Problem
- textract test
- TextStream and Scripting.FileSystemObject
- Translate VB Default Member Name
- Trapping COM OLE Errors
- UDF to Return an Array of DB Table Types
- Un supported Variant Type Error With Concatenation
- Unicode Conversions with FileSystemObject
- Using the Object Browser
- Using the Visual Basic Object Browser
- Vbscript Array in WIL
- Virtual Server COM CoInitializeSecurity
- VT_DECIMAL Versus FLOAT
- WinBatch and Dot NET
- WinBatch Equivalent To VB Nothing
- WinBatch OnError
- Windows Firewall
- Windows Image Acquisition
- Working with Office Applications
- Write-Read DBF
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OLE and BYREF return parameters
Keywords: BYREF return parameters
Question:
I have written a COM component in VB to send emails. One parameter, an error description, should be returning a value when an error is encountered. In my VB program, that parameter is defined as "ByRef". I believe that my program is working correctly, but the value that I'm passing back in ErrDescr is not showing up in my Winbatch variable. Any ideas?
MailObj = ObjectOpen("dllSendMail.dllSendMail")
Sender = "crccdi@exchange.nordstrom.com"
Recipient = "xjlr@exchange.nordstrom.com"
Subject = "any old subject"
Body = "any old body text"
ErrDescr = " "
Attachment1 = "d:\found.not"
RC = MailObj.SendMail_Send(Sender,Recipient,Subject,Body,ErrDescr,Attachment1)
Answer:
The basic problem is that Winbatch is not 100% happy with BYREF return parameters. Thus the route via a Binary Buffer is required.MailObj = ObjectOpen("dllSendMail.dllSendMail") Sender = "crccdi@exchange.nordstrom.com" Recipient = "xjlr@exchange.nordstrom.com" Subject = "any old subject" Body = "any old body text" bb=BinaryAlloc(2000) BinaryOleType(bb, 200+2,0,0,0) Attachment1 = "d:\found.not" RC = MailObj.SendMail_Send(Sender,Recipient,Subject,Body,bb,Attachment1) ErrDescr=BinaryPeekStr(bb,0,BinaryEodGet(bb)) BinaryFree(bb)
Article ID: W15580File Created: 2003:05:28:10:21:42Last Updated: 2003:05:28:10:21:42