Represents a LEADTOOLS for WPF BitmapSourceViewer control for displaying an image.
Object Model
Syntax
XAML Object Element Usage | |
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<BitmapSourceViewer .../> |
XAML Object Element Usage | |
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<BitmapSourceViewer .../> |
Example
This example will create an instance of the BitmapSourceViewer control and add it to a form.
Visual Basic | Copy Code |
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Public Sub BitmapSourceViewer_BitmapSourceViewer()
Dim runner As Leadtools.Help.CrossThreadTestRunner = New Leadtools.Help.CrossThreadTestRunner()
runner.RunInSTA(AddressOf BitmapSourceViewer_BitmapSourceViewerProc)
End Sub
Private Class MyWindow1 : Inherits Window
Private theViewer As BitmapSourceViewer
Public Sub New()
theViewer = New BitmapSourceViewer()
Dim panel As DockPanel = New DockPanel()
Content = panel
DockPanel.SetDock(theViewer, Dock.Bottom)
theViewer.HorizontalAlignment = System.Windows.HorizontalAlignment.Center
theViewer.VerticalAlignment = System.Windows.VerticalAlignment.Bottom
theViewer.ImageHorizontalAlignment = System.Windows.HorizontalAlignment.Left
theViewer.ImageVerticalAlignment = System.Windows.VerticalAlignment.Top
theViewer.Frame = New Size(10, 5)
theViewer.FrameBackground = Brushes.Red
theViewer.FrameShadow = New Size(5, 5)
theViewer.FrameShadowBackground = Brushes.Blue
theViewer.UseDpi = True
panel.Children.Add(theViewer)
theViewer.Source = New BitmapImage(New Uri(LeadtoolsExamples.Common.ImagesPath.Path + "Image1.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 PaintSizeMode.Normal
theViewer.SizeMode = PaintSizeMode.Stretch
Case PaintSizeMode.Stretch
theViewer.SizeMode = PaintSizeMode.Fit
Case PaintSizeMode.Fit
theViewer.SizeMode = PaintSizeMode.FitAlways
Case PaintSizeMode.FitAlways
theViewer.SizeMode = PaintSizeMode.FitWidth
Case PaintSizeMode.FitWidth
theViewer.SizeMode = PaintSizeMode.Normal
End Select
Title = String.Format("Size mode = {0}, double click to change", theViewer.SizeMode)
End Sub
End Class |
C# | Copy Code |
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class MyWindow1 : Window { BitmapSourceViewer theViewer; public MyWindow1() { // Create the viewer theViewer = new BitmapSourceViewer(); // 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.Frame = new Size(10, 5); theViewer.FrameBackground = Brushes.Red; theViewer.FrameShadow = new Size(5, 5); theViewer.FrameShadowBackground = Brushes.Blue; theViewer.UseDpi = true; panel.Children.Add(theViewer); // load an image into the viewer theViewer.Source = new BitmapImage(new Uri(LeadtoolsExamples.Common.ImagesPath.Path + "slave.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 PaintSizeMode.Normal: theViewer.SizeMode = PaintSizeMode.Stretch; break; case PaintSizeMode.Stretch: theViewer.SizeMode = PaintSizeMode.Fit; break; case PaintSizeMode.Fit: theViewer.SizeMode = PaintSizeMode.FitAlways; break; case PaintSizeMode.FitAlways: theViewer.SizeMode = PaintSizeMode.FitWidth; break; case PaintSizeMode.FitWidth: theViewer.SizeMode = PaintSizeMode.Normal; break; } Title = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode); } } |
XAML | Copy Code |
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<Window x:Class="WPFSamples.BitmapSourceViewer" Height="600" Width="800" 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"> <DockPanel> <Leadtools_Windows_Controls:BitmapSourceViewer Name="theViewer" Source="file:///C:\Program Files\LEAD Technologies\LEADTOOLS 16\Images\slave.jpg" DockPanel.Dock="Bottom" HorizontalAlignment="Center" VerticalAlignment="Bottom" Frame="10,5" FrameBackground="Red" FrameShadow="5,5" FrameShadowBackground="Blue" UseDpi="False" MouseDoubleClick="theViewer_MouseDoubleClick" /> </DockPanel> <Window.Title> "Size mode =Normal, double click to change" </Window.Title> </Window> |
Remarks
Inheritance Hierarchy
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Vista, Windows Server 2003 family, Windows Server 2008 family
See Also