Tag Archives: ComboBox

Sort partly numeric items in a ComboBox or ListBox in C#

Posted on July 15, 2016 by Rod Stephens

The example Use a custom sort order for ListBox or ComboBox items in C# shows how to sort numeric values. This example uses the same basic approach: make an array of values, sort them as you want them displayed, and … Continue reading →

Posted in algorithms, controls | Tagged algorithms, alphabetically sort, C#, C# programming, ComboBox, controls, example, example program, ListBox, numerically sort, sort, Windows Forms programming | 1 Comment

Use a custom sort order for ListBox or ComboBox items in C#

Posted on May 2, 2016 by Rod Stephens

If you set a ComboBox and ListBox control’s Sorted property to true, the control sorts the items it contains. Unfortunately it sorts the items alphabetically. That means if the items are strings that begin with Roman numerals, they may be … Continue reading →

Posted in algorithms, controls, user interface | Tagged algorithms, C#, C# programming, ComboBox, controls, custom sort order, custom sorting, example, example program, extension method, ListBox, numeric order, Sorted, sorting, user interface, Windows Forms programming | 2 Comments

Sort ListBox or ComboBox items in numeric order in C#

Posted on April 28, 2016 by Rod Stephens

If you set a ListBox control’s Sorted property to true, the control sorts its contents. Unfortunately it can only sort its contents in alphabetic order. If the items are numeric, that may not be what you want. This example sorts … Continue reading →

Posted in controls, user interface | Tagged C#, C# programming, ComboBox, controls, example, example program, ListBox, numeric order, Sorted, sorting, user interface, Windows Forms programming | Leave a comment

Make a ComboBox display images with text in C#

Posted on March 30, 2016 by Rod Stephens

The example Make a ComboBox display colors or images in C# shows how to make an owner-drawn ComboBox that displays either a series of color samples or a list of images. This example shows how to make a ComboBox that … Continue reading →

Posted in controls, extension methods, graphics | Tagged C#, C# programming, ComboBox, controls, example, example program, extension methods, graphics, images, images and text, owner draw, owner-drawn, Windows Forms programming | 14 Comments

Make a ComboBox display colors or images in C#

Posted on March 29, 2016 by Rod Stephens

There are two kinds of owner-drawn ComboBox controls. In the first kind, every item has the same size. In the second kind of ComboBox, each item can have a different size. Same Sized Items To make all items have the … Continue reading →

Posted in controls, extension methods, graphics | Tagged C#, C# programming, color samples, ComboBox, controls, example, example program, extension methods, graphics, images, owner draw, owner-drawn, Windows Forms programming | 6 Comments

Let the user pick database search criteria in C#

Posted on August 27, 2015 by Rod Stephens

The top part of this program holds three columns of controls. The left column contains combo boxes holding the names of the fields in a database table. The middle column holds operators such as =, <, and >=. The right … Continue reading →

Posted in database, user interface | Tagged C#, C# programming, ComboBox, criteria, database, example, example program, filter, search, Text Box, user interface, Windows Forms programming | 1 Comment

Add ComboBox choices at runtime in C#

Posted on July 29, 2015 by Rod Stephens

This example lets you add ComboBox choices when the user selects them at runtime. To keep track of the choices for future use, it saves them in the Registry. The example Easily save and restore a form’s settings in the … Continue reading →

Posted in controls, user interface | Tagged add ComboBox choices, C#, C# programming, ComboBox, ComboBox choices, controls, example, example program, registry, update ComboBox, update ComboBox choices, update Registry, user interface, Windows Forms programming | Leave a comment

Initialize a ComboBox from an enumeration in C#

Posted on October 10, 2014 by Rod Stephens

Often it’s useful to initialize a ComboBox from an enumeration so the user can pick one of the enumeration’s values. You could type the value into the ComboBox at design time, but then if the enumeration changes, you’ll have to … Continue reading →

Posted in controls, user interface | Tagged C#, C# programming, ComboBox, controls, enum, enumerated type, enumeration, example, example program, initialize ComboBox, reflection, user interface, Windows Forms programming | Leave a comment

Select ComboBox or ListBox values that contain target text in C#

Posted on August 19, 2014 by Rod Stephens

The List timezones in C# example fills a ComboBox with a list of timezones. I would like to select an initial value based on the text in the items, but I don’t want to have to select the exact text, … Continue reading →

Posted in controls, interfaces | Tagged C#, C# programming, ComboBox, ComboBox items, controls, example, example program, IEnumerable, interfaces, ListBox, ListBox items, select ComboBox item, select ListBox item, SelectedItem, Windows Forms programming | 2 Comments

Override ToString to allow controls such as ListBox to display objects in C#

Posted on August 12, 2014 by Rod Stephens

All classes inherit the ToString method from the Object ancestor class. Controls such as ComboBox and ListBox use the ToString methods of the objects they contain to decide what to display. By default, ToString returns a class’s name, which is … Continue reading →

Posted in classes, OOP, strings, syntax | Tagged C#, C# programming, classes, ComboBox, example, example program, ListView, OOP, override, override ToString, strings, syntax, ToString, Windows Forms programming | 4 Comments

Tag Archives: ComboBox

Sort partly numeric items in a ComboBox or ListBox in C#

Use a custom sort order for ListBox or ComboBox items in C#

Sort ListBox or ComboBox items in numeric order in C#

Make a ComboBox display images with text in C#

Make a ComboBox display colors or images in C#

Let the user pick database search criteria in C#

Add ComboBox choices at runtime in C#

Initialize a ComboBox from an enumeration in C#

Select ComboBox or ListBox values that contain target text in C#

Override ToString to allow controls such as ListBox to display objects in C#

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