Cropped image as Resource : Resource « Windows Presentation Foundation « VB.Net Tutorial






<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ImageElementExample.CroppedImageExample"
    Title="CroppedImage Example"
    Loaded="PageLoaded">
    <Page.Resources>
       <BitmapImage x:Key="masterImage" UriSource="c:\image.jpg" />
       <CroppedBitmap x:Key="croppedImage" Source="{StaticResource masterImage}" SourceRect="30 20 105 50"/>
    </Page.Resources>
    <StackPanel>
         <Image Width="200" Source="{StaticResource masterImage}"/>
         <Image Width="200" Source="{StaticResource croppedImage}"/>
         <Image Width="200">
            <Image.Source>
               <CroppedBitmap Source="{StaticResource croppedImage}" SourceRect="30 0 75 50"/>
            </Image.Source>
         </Image>
    </StackPanel>
</Page>

//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Documents
Imports System.Windows.Controls
Imports System.Windows.Navigation
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging


Namespace ImageElementExample
  Public Partial Class CroppedImageExample
    Inherits Page
    Public Sub New()
    End Sub

    Public Sub PageLoaded(sender As Object, args As RoutedEventArgs)
      Dim croppedImage As New Image()
      croppedImage.Width = 200
      croppedImage.Margin = New Thickness(5)

      Dim cb As New CroppedBitmap(DirectCast(Me.Resources("masterImage"), BitmapSource), New Int32Rect(30, 20, 105, 50))
      croppedImage.Source = cb

      Dim chainImage As New Image()
      chainImage.Width = 200

      Dim chained As New CroppedBitmap(cb, New Int32Rect(30, 0, CInt(Math.Truncate(cb.Width)) - 30, CInt(Math.Truncate(cb.Height))))
      chainImage.Source = chained
    End Sub
  End Class
End Namespace








16.125.Resource
16.125.1.Using a Drawing resourceUsing a Drawing resource
16.125.2.Create DrawingBrush based on GeometryDrawing ResourcesCreate DrawingBrush based on GeometryDrawing Resources
16.125.3.Using a Geometry resourceUsing a Geometry resource
16.125.4.Using a FrameworkElement resourceUsing a FrameworkElement resource
16.125.5.Disabling sharing for resourceDisabling sharing for resource
16.125.6.Referencing a Style resourceReferencing a Style resource
16.125.7.Populating a ResourceDictionary from XAMLPopulating a ResourceDictionary from XAML
16.125.8.Resources from markupResources from markup
16.125.9.Define a static ImageBrush resourceDefine a static ImageBrush resource
16.125.10.Use Resource to fill an EllipseUse Resource to fill an Ellipse
16.125.11.Use Resource to fill a ButtonUse Resource to fill a Button
16.125.12.Load resource from another fileLoad resource from another file
16.125.13.Vertical reflected LinearGradientBrush static resourceVertical reflected LinearGradientBrush static resource
16.125.14.Create Reusable ShapesCreate Reusable Shapes
16.125.15.Reference a ResourceDictionary in a Different AssemblyReference a ResourceDictionary in a Different Assembly
16.125.16.Named ThemeNamed Theme
16.125.17.Using resources to define global stylesUsing resources to define global styles
16.125.18.EllipseGeometry as ResourceEllipseGeometry as Resource
16.125.19.Set Rectangle size with ResourcesSet Rectangle size with Resources
16.125.20.Find Control Styles with FindResource()Find Control Styles with FindResource()
16.125.21.Find Resource with FindResourceFind Resource with FindResource
16.125.22.TextGeometry as ResourceTextGeometry as Resource
16.125.23.Retrieving assembly manifest resourcesRetrieving assembly manifest resources
16.125.24.Get Resource Names from AssemblyGet Resource Names from Assembly
16.125.25.Add Event handler in Panel ResourceAdd Event handler in Panel Resource
16.125.26.Dynamic ResourceDynamic Resource
16.125.27.Localizable Application by putting localized resource in XamlLocalizable Application by putting localized resource in Xaml
16.125.28.Load Assembly ResourcesLoad Assembly Resources
16.125.29.BitmapImage as ResourcesBitmapImage as Resources
16.125.30.Cropped image as ResourceCropped image as Resource
16.125.31.Load Xaml ResourceLoad Xaml Resource
16.125.32.Use Resources.Add to add static resouce from codeUse Resources.Add to add static resouce from code
16.125.33.Event Setter from ResourcesEvent Setter from Resources
16.125.34.Get resource in code as StoryboardGet resource in code as Storyboard