Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font. : ListBox « Windows Presentation Foundation « VB.Net






Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font.

Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font.
     


<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="FontSizeConverter_Csharp.Window1"
    Title="FontSizeConverter Sample">
<StackPanel>
        <TextBlock Name="text1" TextWrapping="Wrap" Height="300" Width="500">
            this is a test
        </TextBlock>
    <ListBox Grid.Column="1" Grid.Row="1" VerticalAlignment="Top" Height="50" Margin="10,0,0,0" SelectionChanged="changeSize">
        <ListBoxItem>5</ListBoxItem>
        <ListBoxItem>8</ListBoxItem>
        <ListBoxItem>11</ListBoxItem>
        <ListBoxItem>14</ListBoxItem>
        <ListBoxItem>17</ListBoxItem>
        <ListBoxItem>20</ListBoxItem>
        <ListBoxItem>23</ListBoxItem>
        <ListBoxItem>26</ListBoxItem>
        <ListBoxItem>29</ListBoxItem>
        <ListBoxItem>32</ListBoxItem>
    </ListBox>
    <ListBox Grid.Column="3" Grid.Row="1" VerticalAlignment="Top" Height="50" Margin="10,0,0,0" SelectionChanged="changeFamily">
      <ListBoxItem>Arial</ListBoxItem>
      <ListBoxItem>Courier New</ListBoxItem>
      <ListBoxItem>Tahoma</ListBoxItem>
      <ListBoxItem>Times New Roman</ListBoxItem>
      <ListBoxItem>Verdana</ListBoxItem>
    </ListBox>      
   
  </StackPanel>        
</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 FontSizeConverter_Csharp
  Public Partial Class Window1
    Inherits Window
    Public Sub changeSize(sender As Object, args As SelectionChangedEventArgs)
      Dim li As ListBoxItem = TryCast(TryCast(sender, ListBox).SelectedItem, ListBoxItem)
      Dim myFontSizeConverter As New FontSizeConverter()
      text1.FontSize = CType(myFontSizeConverter.ConvertFromString(li.Content.ToString()), [Double])
    End Sub

    Public Sub changeFamily(sender As Object, args As SelectionChangedEventArgs)
      Dim li2 As ListBoxItem = TryCast(TryCast(sender, ListBox).SelectedItem, ListBoxItem)
      text1.FontFamily = New System.Windows.Media.FontFamily(li2.Content.ToString())
    End Sub
  End Class
End Namespace

   
    
    
    
    
  








Related examples in the same category

1.External ListBox style
2.Define ListBox templateDefine ListBox template
3.Set selected index for ListBoxSet selected index for ListBox
4.Bind String Array Resource to ListBoxBind String Array Resource to ListBox
5.ListBox Selected Index, Item, ValueListBox Selected Index, Item, Value
6.ListBox and SelectionModeListBox and SelectionMode
7.ListView using GridView.HeaderTemplate and GridViewColumn.CellTemplate propertiesListView using GridView.HeaderTemplate and GridViewColumn.CellTemplate properties
8.Load the Items in a ListBox AsynchronouslyLoad the Items in a ListBox Asynchronously
9.Change the Appearance of Alternate Items in a ListChange the Appearance of Alternate Items in a List
10.Change the Appearance of a List Item When It's SelectedChange the Appearance of a List Item When It's Selected
11.Use Data Templates to Display Bound Data
12.CheckBox ListCheckBox List
13.Convert the contents of a ListBoxItem to an instance of GridLength by using GridLengthConverterConvert the contents of a ListBoxItem to an instance of GridLength by using GridLengthConverter
14.ListBox SelectionChanged EventListBox SelectionChanged Event
15.ListBox SelectionMode=SingleListBox SelectionMode=Single
16.Get Selected Item from ListBoxGet Selected Item from ListBox
17.ListBox selection changed eventListBox selection changed event
18.Different Font Family and Size for each ListBoxItemDifferent Font Family and Size for each ListBoxItem
19.Handles ListBoxItem Selected events for the ListBoxItems in the inner ListBox.Handles ListBoxItem Selected events for the ListBoxItems in the inner ListBox.
20.Use Panel as a ListBoxItemUse Panel as a ListBoxItem
21.Create a ListBoxItem, set font, content, add the ListBoxItem to the ListBoxCreate a ListBoxItem, set font, content, add the ListBoxItem to the ListBox
22.Select All ListBox ItemsSelect All ListBox Items
23.Create a style that will produce a horizontal ListBox.Create a style that will produce a horizontal ListBox.
24.Convert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverterConvert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverter
25.DataTrigger, ListBox and user objectDataTrigger, ListBox and user object
26.Add selected file to ListBoxAdd selected file to ListBox
27.ListBox with Image itemListBox with Image item
28.Get selecte item from ListBoxGet selecte item from ListBox
29.List box with text and non-text content in the list box items.List box with text and non-text content in the list box items.
30.This list box allows multiple user selections.This list box allows multiple user selections.
31.List box that uses data binding to populate the list box items.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.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 ListboxGet selected item count from Listbox
34.Change HeightChange Height
35.Change MinHeightChange MinHeight
36.View and Select Items Using a ListView and Select Items Using a List
37.Set text to TextBlock for selected list itemSet text to TextBlock for selected list item
38.Iterate through the selected items and remove each oneIterate through the selected items and remove each one
39.Ensure there is at least one item selectedEnsure there is at least one item selected
40.Select All and unselect allSelect All and unselect all
41.Get Item At Index Position [0]Get Item At Index Position [0]