Tag Archives: dialogs

Make the user enter a password to use a program in C#

The example Display a simple password dialog before a program starts in C# displays a simple password form. It compares the value entered by the user with a string inside the program to decide whether the user entered the right … Continue reading

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Book Errata Page: The C# Helper Top 100

This is the errata page for my book The C# Helper Top 100, The 100 most popular posts at csharphelper.com. If you find mistakes, please post them here in the Leave a Reply box at the bottom of the page. … Continue reading

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Book Discussion Page: The C# Helper Top 100

This is a discussion page for my book The C# Helper Top 100, The 100 most popular posts at csharphelper.com. Please post questions, thoughts, and suggestions here in the “Leave a Reply” box at the bottom of the page. I … Continue reading

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Table of Contents: The C# Helper Top 100

This is a brief summary of the book’s table of contents. Introduction Part I. Serialization 1. Read a CSV File into an Array (1) 2. Use JSON to Serialize and Deserialize Objects (49) Part II. Graphing 3. Draw a Graph … Continue reading

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New Book: The C# Helper Top 100

I’m happy to announce my latest book, The C# Helper Top 100, The 100 most popular posts at csharphelper.com. It describes the 100 most popular posts on the C# Helper web site. This is my 32nd book and my second … Continue reading

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Display reusable dialog forms in C#

The example Make a dialog with standard dialog features in C# shows the most common approach to making dialogs. Whenever it needs to display the dialog, the main program initializes a new instance of it and displays it. If the … Continue reading

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Use the Filter property to select image files in C#

This example is mostly intended to make it easier to find these filters. I use them a lot and it’s a pain to have to recreate them every time I need them. When you click the Different Types button, the … Continue reading

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Use file dialog filters in C#

The OpenFileDialog and SaveFileDialog components have a Filter property that lets the user look for specific kinds of files. The property’s value should be a pipe symbol (|) separated list of alternating filter names and patterns. Each pattern can include … Continue reading

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Set the MessageBox default button in C#

The fifth parameter to MessageBox.Show indicates the default button. The following code shows how the program displays a MessageBox with the second button as the default so it is initially selected when the message box appears. // Display a message … Continue reading

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Display a simple password dialog before a program starts in C#

You might think that a program could start with a password form and then display its main form if the user enters a valid password. Unfortunately when the initial password form closes, it ends the whole application. A better approach … Continue reading

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