.Net class mimics Cache Direct(VisM.OCX) interface for IRIS

Implemented the VisM.OCX interface for .Net Applications using IRIS .Net Native API .

How to use

IRIS Server

The version used is IRIS for Windows (x86-64) 2020.1 (Build 215U) Mon Mar 30 2020 20:14:33 EDT.

In 2019.3 it will crash with a null pointer error.

IRIS Server side class definition

Importing CacheDirect.Emulator.cls into the appropriate namespace. (The sample console application assumes that the namespace is USER)

Load C# Project file into Visual Studio

Load C_SharpConsoleApplication.csproj file into Visual Studio.

The version I used is as follows.

Microsoft Visual Studio Community 2019 Version 16.6.0

reference setting

Choose Add Reference from the project settings in Visual Studio and add the following files.

\InterSystems\IRIS\dev\dotnet\bin\v4.5

InterSystems.Data.IRISClient.dll

InterSystems.Data.Gateway64.exe

Build

Click Build C_SharpConsoleApplication from the Visual Studio build menu.

Make sure there are no errors in the output window.

If you get an error, there's something wrong with the reference settings being not working properly.

run

1. From the Visual Studio debug menu, click Start Debugging.
2. you need to press any key to finish the sample application
3. you can see the program output in the Visual Studio output window

for VB.Net

Module1.vb is a samle VB.Net code to use the emulator.

to run the sample

1. create a c# class library project
2. add cacheDirectWapper.cs to the project
3. add references to InterSystems.Data.Gateway64.exe and InterSystems.Data.IRISClient.dll
4. build the project
5. create a VB.Net console application project
6. add Module1.vb to the project
7. add a refernce to the class library dll

Unsupported features

Unsupported Property

• ConnectionState
• ConTag
• ElapsedTime
• ErrorTrap
• KeepAliveInterval
• KeepAliveTimeOut
• LogMask
• MServer
• MsgText
• NameSpace
• PromptInterval
• Server
• Tag
• TimeOut

Unsupported Method

• DeleteConnection
• SetMServer
• SetServer
• Shutdown Event

Unsupported Additinal features

• ErrorTrapping
• The Keep Alive Feature
• Server Read Loop and Quick Check
• Read and Write Hooks
• Other Server Side Hooks
• User Cancel Option

Visual Basic Specific functions

It does not support any features specific to Visual Basic in the Cache Direct features as follows:.

• Callback function
• MessageBox
• DoEvents, etc.

Constructors

2 Constructors are defined

cacheDirectWapper(string constr)

cacheDirectWapper(IRISConnection irisconn)