YES, you can - use native DLLs in your Azure Functions via P/Invoke ([DllImport]) as you already know it from .NET Framework, and safe the code you have developed and maintained for decades with much effort and patience.

.NET

Win10

.NET-Core

Windows

A Very Basic Singely Linked List for VBA

16 Mar 2019 by WhiskeyBeforeWater

A nodular Singely Linked List for VBA with some basic functions

Work Around Windows 10 WiFi Reconnection Failing

4 Oct 2018 by Antagony

Schedule a task to run this script, which checks whether Windows has [re]connected to the specified router after startup, sleep, or hibernation – and attempt to connect if not.

Helper Methods for Working with Shares

27 Jun 2018 by Clifford Nelson

These are some methods I created to help with creating and deleting Windows shared directories.

Allocating Memory in C/C++: How to Avoid Memory Mismatched Allocation/Deallocation Issues Detected by Intel® Inspector XE for Visual Studio 2015

1 May 2017 by Arthur V. Ratz

This tip/trick introduces the basic ideas on how to avoid memory mismatched allocation/deallocation issues detected by Intel® Inspector XE for Visual Studio 2015

Implementation of an Easy, Fast, and Optimized (CByte, CShort, CInt) with Bits Access Using Bit Field and Union

28 Apr 2017 by Ahmed Elkafrawy

Implementation of an easy, fast, and optimized (CByte, CShort, CInt) with bits access using bit field and union

Gems for typedef and namespace in C

10 Mar 2017 by Southmountain

Gems for typedef and namespace in C

DMath is DirectXMath for All

5 Mar 2017 by Jose A Pascoa

Part 1 - Using DMath from C#

Inno Setup Script to Change a C# Forms Configuration

25 Feb 2017 by RickZeeland

Create an Installer which allows to change the Forms application settings in a custom Inno Setup page

Simple Display Dialog of Waiting in WinForms

11 Jan 2017 by Dean Feng

A simple method to display a waiting dialog in WinForm application, and not block the main form.

Obtain Hardware Configuration Using C# and .NET

25 Oct 2016 by paul1167

Enumerate System Features

How to handle and use event of simultaneously pressed two or more keys in C# - WASD keyboard game controls -

23 Oct 2016 by Perić Željko

Example of handling multiple key press event

Debugging Release Projects in C++ - Finding the Lost Object Information

26 Jul 2016 by Yochai Timmer

Debugging C++ projects in release. Finding the lost object information

Visual Studio Team Foundation Service Agile Bugs P2

6 Jul 2016 by Thomas Cooper

Visual Studio Team Foundation Service Agile Bugs P2

C# Class To Download Files Synchronously, That Supports Cancel/Resuming And All Other Information

17 Jan 2016 by Ahmed Amer Jaf

Downloading files from the Internet with one line without Freezing Form

Avoid Out-of-memory Troubles with Very Large Lists(Of T)

15 Jan 2016 by veen_rp

Big lists (>1,000,000 items) can cause out-of-memory errors raised by .NET. Manage them by a List of List(Of T)

How to Identify if the Executable is 32-bit or 64-bit

12 Jan 2016 by Amit KD

How to identify if the executable is 32-bit or 64-bit

Super Message Box

18 Dec 2015 by Redgum

A customizable MessageBox() DLL and test application with dozens of built-in icons and color schemes

Build Your Own SDN Network

10 Dec 2015 by JinWenQiang

Get started with your own SDN (Software Defined Network) simulation network

Introducing an Open Source DirectUI Library - SOUI

17 Nov 2015 by flyhigh

SOUI is a directui library and had been used in many commercial softwares, which is published based on MIT and is completely free to any user.

Github: Show Update Information from your C# Application

10 Nov 2015 by John Torjo

Want to automatically let your users know when you've posted an update of your application? If your project is hosted on github, you're in luck!

Sending an Email to Yourself

21 Oct 2015 by Mike 2005

Code to include in a deployment project

RaspberryPi2 Server-ASUSlaptop Client, Blocking Socket, 2 Fonts

11 Oct 2015 by Member 11246861

Wifi communication between RaspberryPi2 and Laptop ASUS: fonts English, Russian.

UniDAC - database's direct connection

29 Sep 2015 by Thiago Gaidzinski

UniDAC allows you to connect your cross-platform application directly with many database's types.

Handling Excel Lists with Interop

29 Sep 2015 by HP2M

This tip covers handling two Excel lists using Interop.

A Good Desktop Software in Users' Eyes

26 Sep 2015 by Southmountain

Some take-away to improve the quality of desktop software

Using Integer Instead of Enum in XAML

26 Sep 2015 by Piyush Manharlal

Using integer instead of Enum for ComboBox and Radio Button in XAML

RaspberryPi2 and Wiring Library

11 Sep 2015 by Member 11246861

First samples in VisualGDB for Raspberry pi2

.Gif viewer / Snipper Control

27 Jun 2015 by Pedram_Niloufari

C# .Gif viewer / Snipper control

Section Handles Enumeration. Extending File Unlocking

19 May 2015 by Yohamnes Hernandez

How to free blocked files, inclusive if they are mapped in memory. Something that many tools are missing.

Enable I/O Access From User Mode

26 Apr 2015 by Haftmann, Henrik

12 years too late but now it works: A replacement driver for giveio and dlportio for 64-bit Windows

Communication Library Files - LMS5lib | Connection and Structure

16 Apr 2015 by Chris Jorna

Communication Library Files - LMS5lib | Connection and structure

Communication Library Files - NetTools | IsSameSubnet

15 Apr 2015 by Chris Jorna

Communication Library Files - NetTools | IsSameSubnet

Convert doc/docx Documents to PDF with Foxit Reader

10 Apr 2015 by El_Codero

Convert doc/docx documents to pdf with Foxit Reader Printer. Works without use of Word Interop/SharePoint.

Communication Library Files - UDP Broadcast

5 Apr 2015 by Chris Jorna

Communication library files - UDP broadcast

Communication Library Files - TCP Client/Server

2 Apr 2015 by Chris Jorna

Source code and demo on general TCP client & server library mainly usable for / tested on SICK lidar devices

Integration .NET Component into your Native MFC Application (1)

9 Mar 2015 by sunhui

Integrate .NET Component to your Native MFC Application at runtime

Download Mail Details With attachment using IMAP

23 Feb 2015 by Sujith Karivelil

This article Describes Connectivity to Gmail using IMAP, and also guide you to download and save mail content along with attachment.

Serial Communication between Laptop and Microcontroller

9 Feb 2015 by Member 11246861

Under laptop's control, microcontroller sends sensor data to laptop that displays numbers and graphic.

XBOX 360 Controller Class

30 Dec 2014 by Daniel Lieberwirth (BrainInBlack)

A class representing the state of a connected XBOX 360 controller

Yet Another Convertor From Infix To Postfix Expressions!

4 Nov 2014 by Dariush Tasdighi

A very powerful and customizable source code that converts the Infix to Postfix expression.

Virtual Cache

10 Oct 2014 by Gerardo Recinto

Virtualization of RAM & Disk for high-speed, low-footprint & scalable data caching

Service Locator Pattern

18 Sep 2014 by Gautham Prabhu K

Creating and using Service Locator pattern

C# / VB.NET / C++ CLI: Read and write MS Access (mdb) database without ADO and SQL via Microsoft DAO

18 Aug 2014 by Emiliarge

Read and write data to Access databases without limitations caused by the use of the SQL.

Dapper.NET Sample with MVC 4- Add,Edit,Update,Delete

12 Aug 2014 by Gihan Liyanage

Simple Dapper.NET Example with MVC

Custom disk clean up using WSH VBScript

1 Aug 2014 by Gautham Prabhu K

Perform custom disk clean up when hard disk free space goes low

Elevated Privileges through command line in windows

28 Jul 2014 by Muhammad Muddasar Yamin

The article is about launching elevated processes through command line

Embed HTML in a Word Document using Aspose.Words

23 Jul 2014 by Brandon Rohrer

Embed HTML in a Word Document

Win64

Win32

Run multiple instances of a Windows service

30 Jun 2014 by Keith Balaam

Run multiple instances of a Windows service on the same machine.

XSLT to transform Excel XML worksheet to "named" nodes

10 Jun 2014 by Anamera

This XSLT will output an Excel worksheet containing a CSV type of record collection in a more usable XML format.

How to fix "LocalDB - Requested Login failed"

20 May 2014 by Ed Nutting

How to fix LocalDB / SQL Server: "Cannot open database "XYZ" requested by the login. The login failed. Login failed for user ABC"

C# Class to generate Math. Combinations

7 May 2014 by ehab_nour

Fast algorithm

USB Reset Attribute

6 Apr 2014 by Prabakaran T

Ultimate USB Reset Attribute with powerful option

Easy SFTP (Secure FTP) With C# and PSFTP

3 Feb 2014 by metastruct

SFTP Files using PLINK as a process in C#

Quickly unzipping a file

22 Jan 2014 by imagiro

How to use the shell to unzip a file to a folder location

Print Direct To Windows Printer (EPOS Receipt)

2 Jan 2014 by Michael_Davies

Printing To Line Printers (EPOS) Using Windows

Install Windows Server 2012 R2 in VirtualBox

30 Dec 2013 by Zhuyun Dai

Resolve an issue when installing Windows Server 2012 R2 in VirtualBox

Windows

Win64

How to Control a Windows Service from Code

28 Dec 2013 by Kees van Spelde

How to control a Windows Service from C# .NET

.NET

Win64

Win32

Rendering AltNETType (= .NET FreeType port) with OpenGL

14 Oct 2013 by Demid Korneev

Example of AltNETType use in OpenGL

C# USB HID Interface

2 Sep 2013 by Szymon Roslowski

Just another approach to understanding communication between HID devices and C#.

Get Windows Win32 Error Text - Simplified

31 Jul 2013 by Thomas B Dignan

Getting the text of Win32 Error codes for 99% of cases.

Doing a NotifyIcon Program the Right Way

29 Jul 2013 by Johnny J.

How to do a program whose main graphic interface consists of an icon in system tray

How to determine the CD/DVD (optical) drive letter

28 Jul 2013 by Mike Meinz

How to use .NET Framework to determine the drive letter of the CD/DVD (optical) drive.

Binarizing image (Thresholding) using EmguCV

6 Jul 2013 by hirosht

Step by step method of thresholding a image using the EmguCV API in C#

Where is the Default Browser Command Line in Registry

21 Jun 2013 by Leonid Belousov

This tip shows how to find the default browser command line in registry using Visual C++.

Windows Symbols and Dump Analysis (Quick Steps)

6 Jun 2013 by Manish K. Agarwal

Windows symbols and crash dump analysis.

Software Development and the Bitness Challenge

3 Jun 2013 by citrin

About the bitness challenge in software development

Using Named Colors

3 Jun 2013 by LarryCharlton

Using system, named, and hex color values

How to delete 64 bit Registry keys/values (.NET 3.5)

20 May 2013 by Sunil P V

How to access a 64bit registry key from 32bit built application in .NET 3.5 and lower

WTL Setup Gotchas

7 May 2013 by Adam Wojnar

Tips for VC++ 2010 Express users on 64bit Windows.

Win64

Dev

C# Web File Download with BITSadmin

27 Mar 2013 by metastruct

When WebClient, HttpRequest, and all else fail, BITSadmin solves your download woes

Face Detection with 10 Lines of Code - VB.NET

23 Mar 2013 by Dejan Mauer

Probably the easiest way to detect faces in images by using Accord.net framework

Mirror keys for multiboxing MMORPG games like WOW/LOTRO

7 Mar 2013 by joejames111

Raw input 64-bit .NET classes.

Console simple progress

1 Feb 2013 by aaverian

A very simple console progress bar.

Cinchoo - Using Windows registry as configuration source

25 Jan 2013 by Cinchoo

This article show how to consume Windows registry information using Cinchoo Configuration Manager.

Disabling "Restart Now" Windows message after automatic OS updates

22 Jan 2013 by Vinod Viswanath

Are you annoyed of the "Restart now" message in Windows? Here is a solution for that.

A Visual Studio 2010 style ToolBox control

26 Nov 2012 by nilotpalbarpujari

VS 2010 style toolbox written in C#

How to disable the Sleep button while your code is running

6 Nov 2012 by PJ Arends

I needed to disable the Sleep button on my keyboard, here's how.

Making async Http Request

22 Oct 2012 by FlyersWeb

This article present how to make async HTTP Request in a command line application

Facebook blocker

10 Oct 2012 by pavan1361

adding require blocking site in hosts file

Homomorphic Filtering in C#.NET

28 Sep 2012 by Dr. Vinayak Ashok Bharadi

Homomorphic filtering is a generalized technique for signal and image processing, involving a nonlinear mapping to a different domain in which linear filter techniques are applied, followed by mapping back to the original domain.

Add music to a simple Windows 8 Store App

25 Sep 2012 by sam stokes

This is a really simple implementation of JavaScript and HTML5 to be used in a Windows 8 Store app.

Super Simple C++ Win8 Live Tile Text Notification

12 Sep 2012 by sam stokes

How to implement live tile notification in just a few lines of code

Super Simple Live Tile Notification Using an Image (C++)

11 Sep 2012 by sam stokes

This sample demonstrates how to use the Tile Template, specifically the TileSquareImage and an image.

A 64 Bit Version of ODBCTracer

7 Sep 2012 by zippy1981

This is an alternative for "ODBCTracer"

Free Space Cleaner

25 Aug 2012 by Rich Turner

Free space cleaner to overwrite empty space on logical disks

How to get a value from a child form back to a caller form

5 Jul 2012 by Pasan Eeriyagama

how to get gridview selected row value to text box which is in another windows form

Ensure Your Code First DB is Always Initialized

27 Jun 2012 by Brady Kelly

A quick and easy way to ensure that your Code First DB Initializer is always run when your app starts, not just on the first data access operation

How to install Visual Studio 6 on Windows 7 professional 64bit

22 Jun 2012 by Southmountain

How to install Visual Studio 6 on Windows 7 professional (64 bit)

Faster copies to CUDA GPUs

21 Jun 2012 by Nick Kopp

How to both simplify CUDA applications and improve PCI-Express performance.

Get a list of physical disks and the partitions on them in VB.NET the easy way

8 Jun 2012 by pdoxtader

Use DeviceIoControl, QueryDosDevice and WNetOpenEnum to get information about your system.

Another program is being installed. Please wait until that installation is complete, and then try installing this software again.

9 Mar 2012 by Mahmud Hasan

Whenever I try to install any software I get an error saying another installation is running.

Win7

Windows

Win64

How To Hide Or Show .NET Tabs Programmatically

20 Nov 2011 by Bernhard Hiller

That's far too obscure.All you need to do is store a reference to the TabPage instance which was removed from the TabPages collection of the TabControl. You may use the form where the TabControl is placed for that purpose.You could also create your own TabControl which has an extra property...

How To Hide Or Show .NET Tabs Programmatically

13 Nov 2011 by KazMaxLtd

This article describes how to hide or show TabControl tabs at runtime

Getting the address of a function in a DLL loaded in another process

27 Dec 2010 by Mr Nukealizer

Ideal for finding LoadLibrary() in 32 bit programs from a 64 bit program but it works for any function in any DLL and supports forwarded functions and ordinals.

Unix ucontext_t Operations on Windows Platforms

7 Mar 2007 by xdoukas

A tip on the implementation of Unix ucontext_t operations on Microsoft Windows.

VC7.0

VC7.1

VC6