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.NET/Link User Guide

Introduction

.NET/Link

What Is .NET?

What Is WSTP?

How Does .NET/Link Compare to J/Link?

Calling .NET from the Wolfram Language

Introduction

Loading the NETLink` Package

Launching the .NET Runtime

Loading .NET Assemblies and Types

.NET Assemblies

.NET Types

LoadNETAssembly

LoadNETType

Viewing Loaded Assemblies and Types

Contexts and Visibility of Static Type Members

Conversion of Types between .NET and the Wolfram Language

Creating Objects

Calling Methods, Properties, and Fields

Syntax

Underscores in .NET Names

Getting Information about Types and Objects

NETTypeInfo

Other Useful Functions

Reference Counts and Memory Management

Object References in the Wolfram Language

ReleaseNETObject

NETBlock

LoadedNETObjects

Enums

"Out" and "Ref" Parameters

Returning Objects "By Value" and "By Reference"

References and Values

ReturnAsNETObject

NETObjectToExpression

Overloaded Operators

Casting

Introduction

Calling Hidden Members from a Parent Class

Explicit Interface Implementation

Private Class, Public Interface

Indexers

Exceptions

How Exceptions Are Handled

GetNETException

Custom Exception Handling

Nested Types

MakeNETObject

Complex Numbers

The .NET Console Window

Distributing Applications That Use .NET/Link

Version Information

Creating User Interfaces

Introduction

Modal versus Modeless Operation

Handling Events

Modal Windows

Modeless Windows

Manually Sharing the Kernel and Front End with .NET

Displaying Wolfram Language Graphics and Typeset Expressions

Bringing .NET Windows to the Foreground

Example Files

Writing Your Own .NET Types to Use from the Wolfram Language

Introduction

Manually Returning a Result to the Wolfram Language

Requesting Evaluations by the Wolfram Language

Throwing Exceptions

Making a Method Interruptible

Writing Your Own Event Handler Code

Debugging Your .NET Classes

Calling DLLs from the Wolfram Language

Introduction

How DLLs Are Found

Specifying Arguments and Return Values

Introduction

Primitive Types

Strings

Arrays and Pointers

Function Pointers

Declarations Requiring Special Attributes

Example Files

Calling COM from the Wolfram Language

Introduction

Using Automation (Late Binding)

Drawbacks to Using Automation

Using an Interop Assembly (Early Binding)

Using tlbimp.exe to Create an Interop Assembly

Primary Interop Assemblies

Releasing COM Resources

Casting COM Objects

Handling COM Events

Displaying ActiveX Controls

Example Files

Calling the Wolfram Language from .NET

Introduction

What Is WSTP?

Overview of the Main .NET/Link Interfaces and Classes

Introduction

IMathLink and IKernelLink

MathLinkFactory

MathLinkException

Expr

MathKernel

MathPictureBox

Sample Program

Building and Deploying Programs

The .NET/Link Assembly

Compiling from the Command Line

Using Visual Studio .NET

Deploying Programs

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