Hybrid Dictionary
This is part I of HybdidDictionary article. In this article we take up creating a data entry application using HybridDictionary.
In the Binary Serializing a Hybrid Dictionary article we will take up Serializing the HybridDictionary for later use.
HybridDictionary is optimized for key-based item retrieval from both small and large collections.
A DictionaryEntry structure is used for retieving the key and value of an IDictionary.
using System.Collections;
using System.Collections.Specialized;
HybridDictionary hd = new HybridDictionary();
private void btnAdd_Click(object sender, EventArgs e)
{
hd.Add(txtEmpCode.Text, txtEmployeeName.Text);
MessageBox.Show("Value added");
BlankControls();
}
private void BlankControls()
{
txtEmpCode.Text = ""; txtEmployeeName.Text = "";
txtEmpCode.Focus();
}
private void btnDisplayItems_Click(object sender, EventArgs e)
{
listBox1.Items.Clear();
foreach (DictionaryEntry de in hd)
listBox1.Items.Add(de.Key + " " + de.Value);
}