ImageSize Property (ImageListItem)

Gets or sets the image size in pixels. This is a dependency property.

Syntax

Visual Basic
C#
Objective-C
Java
C++

[DescriptionAttribute("Size of each item image in pixels.")]
[CategoryAttribute("Appearance")]
public Size ImageSize {get; set;}

'Declaration
 
<DescriptionAttribute("Size of each item image in pixels.")>
<CategoryAttribute("Appearance")>
Public Property ImageSize As Size

'Usage
 
Dim instance As ImageListItem
Dim value As Size
 
instance.ImageSize = value
 
value = instance.ImageSize

[DescriptionAttribute("Size of each item image in pixels.")]
[CategoryAttribute("Appearance")]
public:
property Size ImageSize {
   Size get();
   void set (    Size value);
}

Property Value

The image size in pixels. Default value is 48,48.

Remarks

The image size is the area inside the item where the image (in Source) will be drawn. This must be equal to or less than Width and Height.

The image will be drawn inside the rectangle define by ImageSize and centered inside Width and Height.

Example

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools.Windows.Controls

Private Class MyWindow1 : Inherits Window
    Private theViewer As ImageViewer
    Public Sub New()
        ' Create the  viewer
        theViewer = New ImageViewer()
        ' Create Dock Panel

        Dim panel As DockPanel = New DockPanel()
        Content = panel

        DockPanel.SetDock(theViewer, Dock.Bottom)

        theViewer.HorizontalAlignment = HorizontalAlignment.Center
        theViewer.VerticalAlignment = VerticalAlignment.Bottom
        theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left
        theViewer.ImageVerticalAlignment = VerticalAlignment.Top
        theViewer.UseDpi = True
        theViewer.ScreenDpiX = 96
        theViewer.ScreenDpiY = 96

        panel.Children.Add(theViewer)

        ' load an image into the viewer
        theViewer.Source = New BitmapImage(New Uri(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")))

        Title = String.Format("Size mode = {0}, double click to change", theViewer.SizeMode)

        AddHandler theViewer.MouseDoubleClick, AddressOf theViewer_MouseDoubleClick
    End Sub

    Private Sub theViewer_MouseDoubleClick(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
        Select Case theViewer.SizeMode
            Case SizeMode.Normal
                theViewer.SizeMode = SizeMode.Stretch

            Case SizeMode.Stretch
                theViewer.SizeMode = SizeMode.Fit

            Case SizeMode.Fit
                theViewer.SizeMode = SizeMode.FitAlways

            Case SizeMode.FitAlways
                theViewer.SizeMode = SizeMode.FitWidth

            Case SizeMode.FitWidth
                theViewer.SizeMode = SizeMode.Normal
        End Select

        Title = String.Format("Size mode = {0}, double click to change", theViewer.SizeMode)

    End Sub
End Class

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

using Leadtools.Help;
using Leadtools.Windows.Controls;

class MyWindow1 : Window
{
   ImageViewer theViewer;
   public MyWindow1()
   {
      // Create the  viewer
      theViewer = new ImageViewer();
      // Create Dock Panel

      DockPanel panel = new DockPanel();
      Content = panel;

      DockPanel.SetDock(theViewer, Dock.Bottom);

      theViewer.HorizontalAlignment= HorizontalAlignment.Center;
      theViewer.VerticalAlignment= VerticalAlignment.Bottom;
      theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;
      theViewer.ImageVerticalAlignment = VerticalAlignment.Top;
      theViewer.UseDpi = true;
      theViewer.ScreenDpiX = 96;
      theViewer.ScreenDpiY = 96;

      panel.Children.Add(theViewer);

      // load an image into the viewer
      theViewer.Source = new BitmapImage(new Uri(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")));

      Title = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode);

      theViewer.MouseDoubleClick += new MouseButtonEventHandler(theViewer_MouseDoubleClick);
   }

   void theViewer_MouseDoubleClick(object sender, MouseButtonEventArgs e)
   {
      switch(theViewer.SizeMode)
      {
         case SizeMode.Normal:
            theViewer.SizeMode = SizeMode.Stretch;
            break;

         case SizeMode.Stretch:
            theViewer.SizeMode = SizeMode.Fit;
            break;

         case SizeMode.Fit:
            theViewer.SizeMode = SizeMode.FitAlways;
            break;

         case SizeMode.FitAlways:
            theViewer.SizeMode = SizeMode.FitWidth;
            break;

         case SizeMode.FitWidth:
            theViewer.SizeMode = SizeMode.Normal;
            break;
      }

      Title = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode);

   }
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

using Leadtools.Help;
using Leadtools.Windows.Controls;

class MyWindow1 : ChildWindow
{
   ImageViewer theViewer;
   public MyWindow1()
   {
      // Create the  viewer
      theViewer = new ImageViewer();
      // Create Dock Panel

      StackPanel panel = new StackPanel();
      Content = panel;

      theViewer.HorizontalAlignment= HorizontalAlignment.Center;
      theViewer.VerticalAlignment= VerticalAlignment.Bottom;
      theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;
      theViewer.ImageVerticalAlignment = VerticalAlignment.Top;
      theViewer.UseDpi = true;
      theViewer.ScreenDpiX = 96;
      theViewer.ScreenDpiY = 96;

      panel.Children.Add(theViewer);

      // load an image into the viewer
      theViewer.Source = new BitmapImage(new Uri(LeadtoolsExamples.Common.ImagesPath.Path + "cannon.jpg"));

      Title = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode);

      theViewer.MouseLeftButtonDown += new MouseButtonEventHandler(theViewer_MouseLeftButtonDown);
   }

   void theViewer_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
   {
      switch (theViewer.SizeMode)
      {
         case SizeMode.Normal:
            theViewer.SizeMode = SizeMode.Stretch;
            break;

         case SizeMode.Stretch:
            theViewer.SizeMode = SizeMode.Fit;
            break;

         case SizeMode.Fit:
            theViewer.SizeMode = SizeMode.FitAlways;
            break;

         case SizeMode.FitAlways:
            theViewer.SizeMode = SizeMode.FitWidth;
            break;

         case SizeMode.FitWidth:
            theViewer.SizeMode = SizeMode.Normal;
            break;
      }

      Title = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode);
   }
}

Imports Leadtools
Imports Leadtools.Windows.Controls

Private Class MyWindow1 : Inherits ChildWindow
   Private theViewer As ImageViewer
   Public Sub New()
      ' Create the  viewer
      theViewer = New ImageViewer()
      ' Create Dock Panel

      Dim panel As StackPanel = New StackPanel()
      Content = panel

      theViewer.HorizontalAlignment = HorizontalAlignment.Center
      theViewer.VerticalAlignment = VerticalAlignment.Bottom
      theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left
      theViewer.ImageVerticalAlignment = VerticalAlignment.Top
      theViewer.UseDpi = True
      theViewer.ScreenDpiX = 96
      theViewer.ScreenDpiY = 96

      panel.Children.Add(theViewer)

      ' load an image into the viewer
      theViewer.Source = New BitmapImage(New Uri(LeadtoolsExamples.Common.ImagesPath.Path & "cannon.jpg"))

      Title = String.Format("Size mode = {0}, double click to change", theViewer.SizeMode)

      AddHandler theViewer.MouseLeftButtonDown, AddressOf theViewer_MouseLeftButtonDown
   End Sub

   Private Sub theViewer_MouseLeftButtonDown(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
      Select Case theViewer.SizeMode
         Case SizeMode.Normal
            theViewer.SizeMode = SizeMode.Stretch

         Case SizeMode.Stretch
            theViewer.SizeMode = SizeMode.Fit

         Case SizeMode.Fit
            theViewer.SizeMode = SizeMode.FitAlways

         Case SizeMode.FitAlways
            theViewer.SizeMode = SizeMode.FitWidth

         Case SizeMode.FitWidth
            theViewer.SizeMode = SizeMode.Normal
      End Select

      Title = String.Format("Size mode = {0}, double click to change", theViewer.SizeMode)
   End Sub
End Class

<Window x:Class="WPFSamples.ImageViewer"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Leadtools_Windows_Controls="clr-namespace:Leadtools.Windows.Controls;assembly=Leadtools.Windows.Controls"
    Height="600" Width="800">
  <DockPanel>
    <Leadtools_Windows_Controls:ImageViewer
                Name="theViewer"
                Source="file:///c:\users\Public\Documents\LEADTOOLS Images\cannon.jpg"
                DockPanel.Dock= "Bottom"
                HorizontalAlignment="Center" VerticalAlignment="Bottom"
                UseDpi="false"
                MouseDoubleClick="theViewer_MouseDoubleClick"/>
  </DockPanel>
  <Window.Title>
    "Size mode =Normal, double click to change"
  </Window.Title>
</Window>

Requirements

Target Platforms

Reference

ImageListItem Class
ImageListItem Members