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denakitan on 10/17/12

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.NET - WPF - C# - Basics - Examples - ComboBox ItemsSource Definition

/ Published in: C#

Snippet to illustrate how to bind a ComboBox to a Dictionary.

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// creating a dictionary of ghibli movie names by release year
Dictionary<int, string> ghibliMovies = new Dictionary<int, string>();
ghibliMovies.Add(1997, "Princess Mononoke");
ghibliMovies.Add(1995, "Whisper of the Heart");
ghibliMovies.Add(2001, "Spirited Away");
 
// creating a sorted list of release years
List<int> releaseYears = new List<int>(ghibliMovies.Keys);
releaseYears.Sort();
 
// creating and populating the dictionary to act as the ComboBox ItemsSource
Dictionary<int, string> comboBoxItemsSource = new Dictionary<int, string>();
foreach (int year in releaseYears)
{
	comboBoxItemsSource.Add(year, ghibliMovies[year]);
}
 
// setting the ItemsSource of the ComboBox and selecting the latest movie
// each item will display the movie name and its selected value will be the movie's release year
cbGhibliMovies.ItemsSource = comboBoxItemsSource;
cbGhibliMovies.DisplayMemberPath = "Value";
cbGhibliMovies.SelectedValuePath = "Key";
cbGhibliMovies.SelectedIndex = cbGhibliMovies.Items.Count - 1;