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ImageDirtyChanged Event
See Also  Example
Leadtools.Annotations Namespace > AnnAutomation Class : ImageDirtyChanged Event




Occurs when the ImageDirty value changes.

Syntax

Visual Basic (Declaration) 
Public Event ImageDirtyChanged() As EventHandler
Visual Basic (Usage)Copy Code
Dim instance As AnnAutomation
Dim handler As EventHandler
 
AddHandler instance.ImageDirtyChanged, handler
C# 
public event EventHandler ImageDirtyChanged()
Managed Extensions for C++ 
public: __event EventHandler* ImageDirtyChanged();
C++/CLI 
public:
event EventHandler^ ImageDirtyChanged();

Example

This example subscribes to the ImageDirtyChanged event of all automations in a manager, then proceeds to save the image as it changes.

Visual BasicCopy Code
Public Sub AnnAutomation_ImageDirtyChanged(ByVal manager As AnnAutomationManager)
   ' subscribe to the ImageDirtyChanged event of all automations
   For Each automation As AnnAutomation In manager.Automations
      AddHandler automation.ImageDirtyChanged, AddressOf automation_ImageDirtyChanged
   Next automation
End Sub

Private Sub automation_ImageDirtyChanged(ByVal sender As Object, ByVal e As EventArgs)
   Dim automation As AnnAutomation = CType(IIf(TypeOf sender Is AnnAutomation, sender, Nothing), AnnAutomation)
   If automation.ImageDirty Then
      MessageBox.Show("Image has changed and needs saving!")

      '
      ' add code to save the automation.Viewer.Image here
      '

      ' set the ImageDirty flag to false
      automation.ImageDirty = False
   Else
      MessageBox.Show("Image has been saved!")
   End If
End Sub
C#Copy Code
public void AnnAutomation_ImageDirtyChanged(AnnAutomationManager manager) 

   // subscribe to the ImageDirtyChanged event of all automations 
   foreach(AnnAutomation automation in manager.Automations) 
      automation.ImageDirtyChanged += new EventHandler(automation_ImageDirtyChanged); 

 
private void automation_ImageDirtyChanged(object sender, EventArgs e) 

   AnnAutomation automation = sender as AnnAutomation; 
   if(automation.ImageDirty) 
   { 
      MessageBox.Show("Image has changed and needs saving!"); 
 
      // 
      // add code to save the automation.Viewer.Image here 
      // 
 
      // set the ImageDirty flag to false 
      automation.ImageDirty = false; 
   } 
   else 
      MessageBox.Show("Image has been saved!"); 
}

Remarks

This event will be fired after the ImageDirty value changes.

The RasterImage in the Viewer might change after calling any of the following methods:

You can use this event along with the ImageDirty property to update your application user interface.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

Leadtools.Annotations requires a Document or Medical toolkit license and unlock key. For more information, refer to: Raster Pro/Document/Medical Features