Tag Archives: ListBox

Display a horizontal scrollbar in a ListBox in C#

Displaying a horizontal scrollbar is easy but useful. If you need to display some long values in a ListBox, you may want to be able to scroll to the right to see the ends of the values. For example, this … Continue reading

Posted in controls, user interface | Tagged , , , , , , , , , , , | Leave a comment

List Dictionary keys and values in C#

A Dictionary object’s Keys property is a KeyCollection containing the dictionary’s keys. Similarly, its Values property is a ValueCollection containing the dictionary’s values. These collections are slightly different from the List objects that you probably use in your code. In … Continue reading

Posted in algorithms, controls, lists | Tagged , , , , , , , , , , , , | Leave a comment

Make an owner-drawn ListBox that justifies columns in C#

This example shows how you can use an owner-drawn ListBox to left and right align values in columns. The following examples show different ways to align values in columns. Draw aligned columns of data in C# Format values in a … Continue reading

Posted in controls, fonts, graphics, lists, user interface | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

Format values in a ListBox in C#

The ListBox control’s FormatString property determines how the control formats the values it displays. This can be particularly useful if you need to display values that need special formatting such as dates and currency amounts. When it starts, this example … Continue reading

Posted in controls, user interface | Tagged , , , , , , , , , , , | Leave a comment

Right-justify values in a ListBox in C#

Sometimes you may like to right-justify values in a ListBox. For example, you might want to align numbers so they line up at their decimal points. This example uses the following code to right-justify lists of numbers. private void Form1_Load(object … Continue reading

Posted in controls, user interface | Tagged , , , , , , , , , , | Leave a comment

Save several images into Access in C#

The example Save images in an Access database in C# includes an Access database. Unfortunately if you save several images into the database and then open the database in Access, Access removes the images. It just doesn’t seem to understand … Continue reading

Posted in database, graphics, image processing, Office | Tagged , , , , , , , , , , , , , , , , , , | 1 Comment

Load images from an Access database in C#

The post Save images in an Access database in C# explains how to save images in an Access database. This post explains how to load images from an Access display them. Like previous examples, this program uses a SQL statement … Continue reading

Posted in database, graphics, image processing, Office | Tagged , , , , , , , , , , , , , , , , , | 2 Comments

Save images in an Access database in C#

This example shows how you can save images in an Access database. The example Use filenames stored in a database to display images in C# shows how to display images by saving the image file names in a database and … Continue reading

Posted in database, graphics, image processing, Office | Tagged , , , , , , , , , , , , , , , , , | 4 Comments

Use filenames stored in a database to display images in C#

The reason so many people ask how to store and retrieve images in a database is that it’s hard. You need to use a special data type such as the BLOB (Binary Large Object) or MEMO data type depending on … Continue reading

Posted in database, graphics, image processing, user interface | Tagged , , , , , , , , , , , , , , | 2 Comments

Initialize lists from databases without binding in C#

Note that this is a very manual way to initialize lists. Often you can display data more easily by using data binding. In this example, I added the Access database file Books.mdb to the project and set its “Copy to … Continue reading

Posted in controls, database, lists, user interface | Tagged , , , , , , , , , , , , | 1 Comment