Clear Controls : Xaml « Windows Presentation Foundation « VB.Net

1. VB.Net
2. Windows Presentation Foundation
3. Xaml

Clear Controls

     
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ElemCollMethods.Pane1"
    WindowTitle="UI Element Collection Methods Sample">
 <StackPanel>
    <TextBlock Name="txt" FontSize="16">UI Element Collection - Methods</TextBlock>

    <TabControl>
    
        <TabItem MouseLeftButtonUp="ClearButtons">
            <TabItem.Header>Clear Controls</TabItem.Header>
        </TabItem>
    </TabControl>
    <StackPanel Name="sp1"></StackPanel>

 </StackPanel>
</Page>

//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Documents
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Imports System.Windows.Data
Imports System.Windows.Input

Namespace ElemCollMethods

  Public Partial Class Pane1
    Inherits Page
    Private btn As System.Windows.Controls.Button, btn1 As System.Windows.Controls.Button, btn2 As System.Windows.Controls.Button, btn3 As System.Windows.Controls.Button


    Private Sub ClearButtons(sender As Object, e As MouseButtonEventArgs)
      sp1.Children.Clear()
      btn = New Button()
      btn.Content = "Click to clear"
      sp1.Children.Add(btn)
      AddHandler btn.Click, (AddressOf ClearControls)
      btn1 = New Button()
      btn1.Content = "Click to clear"
      sp1.Children.Add(btn1)
      AddHandler btn1.Click, (AddressOf ClearControls)
      btn2 = New Button()
      btn2.Content = "Click to clear"
      sp1.Children.Add(btn2)
      AddHandler btn2.Click, (AddressOf ClearControls)
      btn3 = New Button()
      btn3.Content = "Click to clear"
      sp1.Children.Add(btn3)
      AddHandler btn3.Click, (AddressOf ClearControls)
    End Sub

    Private Sub ClearControls(sender As Object, e As RoutedEventArgs)
      sp1.Children.Clear()
    End Sub
  End Class
End Namespace

   
    
    
    
    
  

Related examples in the same category

1.	A simple XAML structure
2.	Properties in XAML
3.	Embdded implementation of our button's Click event handler
4.	Create a Standard WPF Application
5.	Inline click event
6.	Inlining code within a XAML file
7.	Inline declaration of a simple attribute
8.	Explicit declaration of a complex attribute
9.	Button with explicitly declared Background Brush
10.	Button with a Background Brush declared using abbreviated markup
11.	Example of abbreviated markup versus explicit syntax
12.	Using Width to constrain the size of elements
13.	Display Control Content Surrounded by Braces
14.	WPF provides four different units of measures:
15.	Draw a line from Point(0,0) to Point (100,100) on the canvas with the default units of device-independent pixels
16.	My First WPF App with code behind
17.	Create Button from Xaml string
18.	A default miter limit of 10
19.	Pure XAML RSS Reader
20.	Reference name defined in Xaml in vb file
21.	Add child control
22.	Show Index of Controls
23.	Contains Element?
24.	Xaml and Code behind
25.	Insert new line character to xaml attribute