KlausLoeffelmann

Could you assist in writing a prompt, which purpose is to write more detailed instructions to create a Custom Control in WinForms. You are strongly encourage to amend important facts or instructions and could help to improve the result.

Some base information about creating custom controls in WinForms:

• We talk about a "custom control", so, not designable, no code-behind file, not derived from UserControl.
• Properties needs to have some sort of serialization control (DefaultValue, ShouldSerialize, DesignerSerialization)
• Include infos for the PropertyGrid.
• Include XML.

The actual control in this case should satisfy the following:

KlausLoeffelmann

User:
I have a copyright question.
If I want to write a blog post about how to create a WinForms control for a chronograph/clock/stop watch control, and I want to show that by providing a photo as a template, the LLM could generate a respective prompt for Copilot to create such a control. And if I then bought the watch you see here, and took the photo myself for publishing—would I violate any copyright?

---

Assistant:
Good news: as long as you’re shooting your own photo of a watch you legally bought, you’re in the clear on copyright. Here’s why:

1. First‐sale doctrine + your own photo

KlausLoeffelmann

Public Class VbEventTestForm

    Private WithEvents myTimer As Timer
    Private WithEvents myButton As Button

    Private Sub DisplayMessageBoxWithDebugInfo(Message As String,
            <CallerMemberName> Optional callerName As String = Nothing,
            <CallerLineNumber> Optional callerLienNumber As String = Nothing)

        Dim msg As String = $"{callerName}() called from line {callerLienNumber} with message: {Message}"

KlausLoeffelmann

Sub GenerateCombinations()
    Dim inputRange As Range
    Dim cell As Range
    Dim combinations As Collection
    Dim sumInfo As Variant
    Dim r As Integer
    Dim totalCombinations As Integer
    
    ' Define the input range in column A
    Set inputRange = Range("A1", Range("A1").End(xlDown))

KlausLoeffelmann

        private void OpenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new();
            openFileDialog.DefaultExt = "bmp";
            openFileDialog.Filter =
                "BMP files (*.bmp)|*.bmp|" +
                "PNG files (*.png)|*.png|" +
                "JPG files (*.jpg)|*.jpg|" +
                "All files (*.*)|*.*";

KlausLoeffelmann

Option Strict On
Option Explicit On

'This constant indicates whether the Application Framework is in use.
#Const APPLICATION_FRAMEWORK = True

#If APPLICATION_FRAMEWORK Then

#If NET5_0 And Not NET6_0 Then

KlausLoeffelmann

using CsvHelper;
using CsvHelper.Configuration;
using CsvHelper.Configuration.Attributes;
using System.Diagnostics;
using System.Globalization;

namespace MiniEra.Service
{
    public class ProductItem
    {

KlausLoeffelmann

namespace CsSimpleDataService
{
	public class UsState
	{
		private static UsState[]? s_stateCache;
		private static readonly Random s_random = new(DateTime.Now.Millisecond);

		public UsState(string stateName, string stateAbbrevation, string stateShortName)
		{
			StateName = stateName;

KlausLoeffelmann

       public async Task<T> InvokeAsync<T>(
            Func<T> invokeDelegate,
            object state=null,
            CancellationToken cancellationToken=default(CancellationToken),
            TimeSpan timeOutSpan=default(TimeSpan),
            params object[] args)
        {
            var tokenRegistration = default(CancellationTokenRegistration);
            RegisteredWaitHandle registeredWaitHandle = null;

KlausLoeffelmann

<ItemGroup>
  <EmbeddedResource Include="Resources\BackgroundWorker.bmp">
    <LogicalName>WinFormsSurface.Designers.%(Filename)%(Extension)</LogicalName>
  </EmbeddedResource>
  <EmbeddedResource Include="Resources\InheritedGlyph.bmp">
    <LogicalName>WinFormsSurface.Services.%(Filename)%(Extension)</LogicalName>
  </EmbeddedResource>
</ItemGroup>