Create Button from Xaml string : Xaml « Windows Presentation Foundation « VB.Net Tutorial






  1. VB.Net Tutorial
  2. Windows Presentation Foundation
  3. Xaml
<Window x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="DynamicXAML" Height="300" Width="300">
  <Grid Name="grid1" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Window>
//File:Window.xaml.vb

Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Markup
Imports System.Xml
Imports System.IO

Namespace WpfApplication1

  Public Partial Class Window1
    Inherits System.Windows.Window

    Public Sub New()
      InitializeComponent()

      Dim sr As New StringReader("<Button xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' " & vbCr & vbLf & "        Foreground='BurlyWood' FontSize='20pt'>Click Me!</Button>")

      Dim reader As XmlReader = XmlReader.Create(sr)

      Dim dynamicButton As Button = DirectCast(XamlReader.Load(reader), Button)

      Me.grid1.Children.Add(dynamicButton)


      AddHandler dynamicButton.Click, AddressOf button1_Click
    End Sub

    Private Sub button1_Click(sender As Object, e As RoutedEventArgs)
      MessageBox.Show("Dynamic Button Loaded From XAML String")
    End Sub

  End Class
End Namespace
WPF Create Button From Xaml String




16.131.Xaml
16.131.1.A simple XAML structureA simple XAML structure
16.131.2.Properties in XAMLProperties in XAML
16.131.3.Embdded implementation of our button's Click event handlerEmbdded implementation of our button's Click event handler
16.131.4.Create a Standard WPF ApplicationCreate a Standard WPF Application
16.131.5.Inline click eventInline click event
16.131.6.Inlining code within a XAML fileInlining code within a XAML file
16.131.7.Inline declaration of a simple attributeInline declaration of a simple attribute
16.131.8.Explicit declaration of a complex attributeExplicit declaration of a complex attribute
16.131.9.Button with explicitly declared Background BrushButton with explicitly declared Background Brush
16.131.10.Button with a Background Brush declared using abbreviated markupButton with a Background Brush declared using abbreviated markup
16.131.11.Example of abbreviated markup versus explicit syntaxExample of abbreviated markup versus explicit syntax
16.131.12.Using Width to constrain the size of elementsUsing Width to constrain the size of elements
16.131.13.Display Control Content Surrounded by BracesDisplay Control Content Surrounded by Braces
16.131.14.WPF provides four different units of measures:WPF provides four different units of measures:
16.131.15.Draw a line from Point(0,0) to Point (100,100) on the canvas with the default units of device-independent pixelsDraw a line from Point(0,0) to Point (100,100) on the canvas with the default units of device-independent pixels
16.131.16.My First WPF App with code behindMy First WPF App with code behind
16.131.17.Create Button from Xaml stringCreate Button from Xaml string
16.131.18.A default miter limit of 10A default miter limit of 10
16.131.19.Pure XAML RSS ReaderPure XAML RSS Reader
16.131.20.Reference name defined in Xaml in vb fileReference name defined in Xaml in vb file
16.131.21.Add child controlAdd child control
16.131.22.Show Index of ControlsShow Index of Controls
16.131.23.Clear ControlsClear Controls
16.131.24.Contains Element?Contains Element?
16.131.25.Xaml and Code behindXaml and Code behind
16.131.26.Insert new line character to xaml attributeInsert new line character to xaml attribute