Get Process List and Display to Combobox, Listbox, and Listview

This program will show you how to display all processes in a combobox, a listbox, and a listview. 

 

Clears items from a bound ListBox control

ListBox1.DataSource = Nothing
ListBox1.Items.Clear()

Select Item in Listbox

Enter the code bellow into button:


ListBox1.SelectedIndex = 1

Save ListBox Using SaveDialog

To save ListBox items using the SaveDialog you should write the code bellow:

        Dim dialog As New SaveFileDialog

        dialog.Filter = "Text files (*.txt)|*.txt"

        dialog.FilterIndex = 2

        If dialog.ShowDialog() = DialogResult.OK Then

            Dim output As New IO.StreamWriter(dialog.FileName)

            For Each item As Object In ListBox1.Items

                output.WriteLine(ListBox1.GetItemText(item))

            Next item

            output.Close()

        End If

Search Item in ListBox

Create a form like on the picture bellow:

In to the button "Search" write the code bellow:

        Dim theList As Long

        Dim textToSearch As String

        Dim theListText As String

        textToSearch = LCase(TextBox1.Text)

        For theList = 0 To ListBox1.Items.Count - 1

            theListText = LCase(ListBox1.Items.Item(theList))

            If theListText = textToSearch Then ListBox2.Items.Add(textToSearch)

        Next

Select Newly Added Item in Listbox

Create a form like on the picture bellow:

In to the selected button write the code bellow:

        

Dim selecteditem As Integer = ListBox1.Items.Add(TextBox1.Text)

ListBox1.SetSelected(selecteditem, True)

Select Item in ListBox writes in TextBox

Create a form like on the picture bellow:

In to the selected button "Selected item writes in TextBox" enter the code bellow:

ListBox1.SelectedIndex = ListBox1.FindStringExact(TextBox1.Text)

You will get this result:

Remove Item From ListBox

Create a form like on the picture bellow:

For the button "Remove" write the code bellow:

ListBox1.Items.Remove(ListBox1.SelectedItem)

Add Items To ListBox from TexBox

Create form like on the picture bellow:

For the button "Add" write the code bellow:

ListBox1.Items.Add(TextBox1.Text)

Add Item To ListBox

Create form like on the picture bellow:

For the button "Add" write the code bellow:

ListBox1.Items.Add("Item1")