Convert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverter : ListBox « Windows Presentation Foundation « VB.Net

Home VB.Net 1. 2D 2. Application 3. Class 4. Data Structure 5. Data Types 6. Database ADO.net 7. Development 8. Event 9. File Directory 10. Generics 11. GUI 12. Language Basics 13. LINQ 14. Network Remote 15. Security 16. Thread 17. Windows Presentation Foundation 18. Windows System 19. XML 20. XML LINQ VB.Net Tutorial VB.Net by API

VB.Net » Windows Presentation Foundation » ListBox Screenshots  Convert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverter       <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     x:Class="ThicknessConverter_Csharp.Window1"     Title="ThicknessConverter Sample">   <DockPanel Width="400" HorizontalAlignment="Left" VerticalAlignment="Top">     <TextBlock DockPanel.Dock="Top" FontFamily="Verdana" FontSize="18" FontWeight="Bold" Margin="5">       ThicknessConverter Sample</TextBlock>     <Border Name="border1" Height="300" Width="300" Border.BorderThickness="2" Border.BorderBrush="Black" DockPanel.Dock="Top">       <Grid Height="30" VerticalAlignment="Top">         <Grid.RowDefinitions>           <RowDefinition/>           <RowDefinition/>         </Grid.RowDefinitions>         <TextBlock Grid.Row="0" Name="bThickness"/>         <TextBlock Grid.Row="1" Name="bColor"/>       </Grid>     </Border>     <Grid DockPanel.Dock="Top">       <Grid.RowDefinitions>         <RowDefinition/>         <RowDefinition/>         <RowDefinition/>       </Grid.RowDefinitions>       <Grid.ColumnDefinitions>         <ColumnDefinition/>         <ColumnDefinition/>         <ColumnDefinition/>         <ColumnDefinition/>       </Grid.ColumnDefinitions>       <TextBlock Grid.Row="1" Grid.Column="0" Margin="10,0,0,0" TextWrapping="Wrap">Change the BorderThickness Property:</TextBlock>       <ListBox VerticalAlignment="Top" Grid.Column="1" Grid.Row="1" Width="50" Height="50" Margin="5" SelectionChanged="changeThickness">         <ListBoxItem>0</ListBoxItem>         <ListBoxItem>5</ListBoxItem>         <ListBoxItem>10</ListBoxItem>         <ListBoxItem>15</ListBoxItem>         <ListBoxItem>20</ListBoxItem>         <ListBoxItem>25</ListBoxItem>         <ListBoxItem>30</ListBoxItem>         <ListBoxItem>35</ListBoxItem>         <ListBoxItem>40</ListBoxItem>         <ListBoxItem>45</ListBoxItem>         <ListBoxItem>50</ListBoxItem>       </ListBox>     </Grid>   </DockPanel>         </Window> //File:Window.xaml.vb Imports System Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Documents Imports System.Windows.Navigation Imports System.Windows.Media Namespace ThicknessConverter_Csharp   Public Partial Class Window1     Inherits Window     Public Sub changeThickness(sender As Object, args As SelectionChangedEventArgs)       Dim li As ListBoxItem = TryCast(TryCast(sender, ListBox).SelectedItem, ListBoxItem)       Dim myThicknessConverter As New ThicknessConverter()       Dim th1 As Thickness = CType(myThicknessConverter.ConvertFromString(li.Content.ToString()), Thickness)       border1.BorderThickness = th1       bThickness.Text = "Border.BorderThickness =" & li.Content.ToString()     End Sub   End Class End Namespace                            Related examples in the same category 1. External ListBox style 2. Define ListBox template 3. Set selected index for ListBox 4. Bind String Array Resource to ListBox 5. ListBox Selected Index, Item, Value 6. ListBox and SelectionMode 7. ListView using GridView.HeaderTemplate and GridViewColumn.CellTemplate properties 8. Load the Items in a ListBox Asynchronously 9. Change the Appearance of Alternate Items in a List 10. Change the Appearance of a List Item When It's Selected 11. Use Data Templates to Display Bound Data 12. CheckBox List 13. Convert the contents of a ListBoxItem to an instance of GridLength by using GridLengthConverter 14. Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font. 15. ListBox SelectionChanged Event 16. ListBox SelectionMode=Single 17. Get Selected Item from ListBox 18. ListBox selection changed event 19. Different Font Family and Size for each ListBoxItem 20. Handles ListBoxItem Selected events for the ListBoxItems in the inner ListBox. 21. Use Panel as a ListBoxItem 22. Create a ListBoxItem, set font, content, add the ListBoxItem to the ListBox 23. Select All ListBox Items 24. Create a style that will produce a horizontal ListBox. 25. DataTrigger, ListBox and user object 26. Add selected file to ListBox 27. ListBox with Image item 28. Get selecte item from ListBox 29. List box with text and non-text content in the list box items. 30. This list box allows multiple user selections. 31. List box that uses data binding to populate the list box items. 32. This list box allows items to be selected in groups by using the SHIFT key and mouse or the CTRL key and space key. 33. Get selected item count from Listbox 34. Change Height 35. Change MinHeight 36. View and Select Items Using a List 37. Set text to TextBlock for selected list item 38. Iterate through the selected items and remove each one 39. Ensure there is at least one item selected 40. Select All and unselect all 41. Get Item At Index Position [0]