CSharp-Collection

Challenges, projects, educational files

• Work in Progress !

Exercises

• Hello World
  1st Testfile (setting up this collection)

• Schieberegler
  Simple RGB Contoller with WinForm

• DataBaseOperations
  CRUD Operations on access db using OleDbConnection.ConnectionString

• DriveSizeSnippets
  .TotalSize, .driveInfo.AvailableFreeSpace, .TotalFreeSpace

• DriveTypeSwitch
  Console app showing different Infos via Switch on DriveInfo Properties

• ExtensionMethods
  Console app and top level static classes containing extension methods for math operations

• FileSystemWatcher
  Console app watching a folder and handling via displaying change and rename operations

• OperatorOverloading
  Console app overloding the addition operator: '+' for custom Complex class

• OperatorOverloadingVectors
  Overloading arithmetic, logical and conversion operators (implicit & explicit) for custom vector class in console app

• UnitTestingCalculator
  Testing custom calculator methods and class hirarchy via MSTest.TestFramework

Own examples and Ideas

• Polymorphism Example
  An extensive reminder of how overriding and overloading work

• Resume as Console
  A simple program outputting a library of cv entries as classes in the console

• Event Handling & Email Notification
  An exercise to practice creating and subscribing to events.
  A Gmail-account has been created to send and receive information from the program about the events

• Event Handling & Email Notification Extension
  Ported project to .Net Core, Refactored classes into Library, uses asynchronous methods/ events and added unit testing

Solving Tasks

• Bahnhoefe Zeichenen
  Import CSV file containing all german railway stations
  Draw stations and mark central stations

• Delegate-Method Call
  Exercise on using different method calls as Forms-project

• Entry Feedback
  A little arithmetic user input feedback program

• Graph Project
  Take Home Interview Assignement - small console application in .Net core creating and manipulating undirected graph

• LINQ Aggregat Queries
  Exercise on different query implementations

• Tree View File
  Directory tree implementation

• Verzeichnis Inhalt - List View
  Read, input, insert using FolderBrowserDialog in ListView-item

• Zwei Formulare - eine Datenquelle
  Extended connection of two forms to the same data source