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LEADTOOLS Windows Forms (Leadtools.WinForms assembly)
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OnViewStyleChanged Method (RasterImageList)






Leadtools.WinForms Namespace > RasterImageList Class : OnViewStyleChanged Method
An System.EventArgs that contains the event data.
Raises the ViewStyleChanged event.
Syntax
protected virtual void OnViewStyleChanged( 
   EventArgs e
)
'Declaration
 
Protected Overridable Sub OnViewStyleChanged( _
   ByVal e As EventArgs _
) 
'Usage
 
Dim instance As RasterImageList
Dim e As EventArgs
 
instance.OnViewStyleChanged(e)

            

        

            

            

            

        

            

            
protected:
virtual void OnViewStyleChanged( 
   EventArgs^ e
) 

            

        

            

        
            
Parameters
e


An System.EventArgs that contains the event data.

            
            

            
            
            
            
Remarks
Raising an event invokes the event handler through a delegate.



The OnViewStyleChanged method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.



Notes to Inheritors: When overriding OnViewStyleChanged in a derived class, be sure to call the base class's OnViewStyleChanged method so that registered delegates receive the event.

          
            
Example
This example overrides the virtual events of the RasterImageList class.

             
    

            
            

            Copy Code
                
            

            

    

     

            
Imports Leadtools.WinForms
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Drawing

Public Class MyRasterImageList
   Inherits RasterImageList
   '.
   '.
   '.
   Protected Overrides Sub OnAutoDeselectItemsChanged(ByVal e As EventArgs)
      MyBase.OnAutoDeselectItemsChanged(e)
      Console.WriteLine("OnAutoDeselectItemsChanged is called")
   End Sub

   Protected Overrides Sub OnAutoDisposeImagesChanged(ByVal e As EventArgs)
      MyBase.OnAutoDisposeImagesChanged(e)
      Console.WriteLine("OnAutoDisposeImagesChanged is called")
   End Sub

   Protected Overrides Sub OnBorderStyleChanged(ByVal e As EventArgs)
      MyBase.OnBorderStyleChanged(e)
      Console.WriteLine("OnBorderStyleChanged is called")
   End Sub

   Protected Overrides Sub OnDoubleBufferChanged(ByVal e As EventArgs)
      MyBase.OnDoubleBufferChanged(e)
      Console.WriteLine("OnDoubleBufferChanged is called")
   End Sub

   Protected Overrides Sub OnDrawItem(ByVal e As RasterImageListDrawItemEventArgs)
      MyBase.OnDrawItem(e)
      Console.WriteLine("OnDrawItem is called")
   End Sub

   Protected Overrides Sub OnEnableKeyboardChanged(ByVal e As EventArgs)
      MyBase.OnEnableKeyboardChanged(e)
      Console.WriteLine("OnEnableKeyboardChanged is called")
   End Sub

   Protected Overrides Sub OnEnableRubberBandSelectionChanged(ByVal e As EventArgs)
      MyBase.OnEnableRubberBandSelectionChanged(e)
      Console.WriteLine("OnEnableRubberBandSelectionChanged is called")
   End Sub

   Protected Overrides Sub OnItemBackColorChanged(ByVal e As EventArgs)
      MyBase.OnItemBackColorChanged(e)
      Console.WriteLine("OnItemBackColorChanged is called")
   End Sub

   Protected Overrides Sub OnItemBorderStyleChanged(ByVal e As EventArgs)
      MyBase.OnItemBorderStyleChanged(e)
      Console.WriteLine("OnItemBorderStyleChanged is called")
   End Sub

   Protected Overrides Sub OnItemForeColorChanged(ByVal e As EventArgs)
      MyBase.OnItemForeColorChanged(e)
      Console.WriteLine("OnItemForeColorChanged is called")
   End Sub

   Protected Overrides Sub OnItemImageBorderStyleChanged(ByVal e As EventArgs)
      MyBase.OnItemImageBorderStyleChanged(e)
      Console.WriteLine("OnItemImageBorderStyleChanged is called")
   End Sub

   Protected Overrides Sub OnItemImageSizeChanged(ByVal e As EventArgs)
      MyBase.OnItemImageSizeChanged(e)
      Console.WriteLine("OnItemImageSizeChanged is called")
   End Sub

   Protected Overrides Sub OnItemSelectedBackColorChanged(ByVal e As EventArgs)
      MyBase.OnItemSelectedBackColorChanged(e)
      Console.WriteLine("OnItemSelectedBackColorChanged is called")
   End Sub

   Protected Overrides Sub OnItemSelectedForeColorChanged(ByVal e As EventArgs)
      MyBase.OnItemSelectedForeColorChanged(e)
      Console.WriteLine("OnItemSelectedForeColorChanged is called")
   End Sub

   Protected Overrides Sub OnItemSizeChanged(ByVal e As EventArgs)
      MyBase.OnItemSizeChanged(e)
      Console.WriteLine("OnItemSizeChanged is called")
   End Sub

   Protected Overrides Sub OnItemSpacingSizeChanged(ByVal e As EventArgs)
      MyBase.OnItemSpacingSizeChanged(e)
      Console.WriteLine("OnItemSpacingSizeChanged is called")
   End Sub

   Protected Overrides Sub OnKeyDown(ByVal e As KeyEventArgs)
      MyBase.OnKeyDown(e)
      Console.WriteLine("OnKeyDown is called")
   End Sub

   Protected Overrides Sub OnLostFocus(ByVal e As EventArgs)
      MyBase.OnLostFocus(e)
      Console.WriteLine("OnLostFocus is called")
   End Sub

   Protected Overrides Sub OnMouseDown(ByVal e As MouseEventArgs)
      MyBase.OnMouseDown(e)
      Console.WriteLine("OnMouseDown is called")
   End Sub

   Protected Overrides Sub OnMouseMove(ByVal e As MouseEventArgs)
      MyBase.OnMouseMove(e)
      Console.WriteLine("OnMouseMove is called")
   End Sub

   Protected Overrides Sub OnMouseUp(ByVal e As MouseEventArgs)
      MyBase.OnMouseUp(e)
      Console.WriteLine("OnMouseUp is called")
   End Sub

   Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
      MyBase.OnPaint(e)
      Console.WriteLine("OnPaint is called")
   End Sub

   Protected Overrides Sub OnPaintPropertiesChanged(ByVal e As EventArgs)
      MyBase.OnPaintPropertiesChanged(e)
      Console.WriteLine("OnPaintPropertiesChanged is called")
   End Sub

   Protected Overrides Sub OnScroll(ByVal e As EventArgs)
      MyBase.OnScroll(e)
      Console.WriteLine("OnScroll is called")
   End Sub

   Protected Overrides Sub OnScrollStyleChanged(ByVal e As EventArgs)
      MyBase.OnScrollStyleChanged(e)
      Console.WriteLine("OnScrollStyleChanged is called")
   End Sub

   Protected Overrides Sub OnSelectedIndexChanged(ByVal e As EventArgs)
      MyBase.OnSelectedIndexChanged(e)
      Console.WriteLine("OnSelectedIndexChanged is called")
   End Sub

   Protected Overrides Sub OnSelectionModeChanged(ByVal e As EventArgs)
      MyBase.OnSelectionModeChanged(e)
      Console.WriteLine("OnSelectionModeChanged is called")
   End Sub

   Protected Overrides Sub OnSelectUserImageChanged(ByVal e As EventArgs)
      MyBase.OnSelectUserImageChanged(e)
      Console.WriteLine("OnSelectUserImageChanged is called")
   End Sub

   Protected Overrides Sub OnShowItemTextChanged(ByVal e As EventArgs)
      MyBase.OnShowItemTextChanged(e)
      Console.WriteLine("OnShowItemTextChanged is called")
   End Sub

   Protected Overrides Sub OnSizeChanged(ByVal e As EventArgs)
      MyBase.OnSizeChanged(e)
      Console.WriteLine("OnSizeChanged is called")
   End Sub

   Protected Overrides Sub OnSorterChanged(ByVal e As EventArgs)
      MyBase.OnSorterChanged(e)
      Console.WriteLine("OnSorterChanged is called")
   End Sub

   Protected Overrides Sub OnSortingChanged(ByVal e As EventArgs)
      MyBase.OnSortingChanged(e)
      Console.WriteLine("OnSortingChanged is called")
   End Sub

   Protected Overrides Sub OnViewStyleChanged(ByVal e As EventArgs)
      MyBase.OnViewStyleChanged(e)
      Console.WriteLine("OnViewStyleChanged is called")
   End Sub
End Class

            

   

     

            
using Leadtools.WinForms;
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Drawing;

public class MyRasterImageList : RasterImageList
{
   //.
   //.
   //.
   protected override void OnAutoDeselectItemsChanged(EventArgs e)
   {
      base.OnAutoDeselectItemsChanged(e);
      Console.WriteLine("OnAutoDeselectItemsChanged is called");
   }

   protected override void OnAutoDisposeImagesChanged(EventArgs e)
   {
      base.OnAutoDisposeImagesChanged(e);
      Console.WriteLine("OnAutoDisposeImagesChanged is called");
   }

   protected override void OnBorderStyleChanged(EventArgs e)
   {
      base.OnBorderStyleChanged(e);
      Console.WriteLine("OnBorderStyleChanged is called");
   }

   protected override void OnDoubleBufferChanged(EventArgs e)
   {
      base.OnDoubleBufferChanged(e);
      Console.WriteLine("OnDoubleBufferChanged is called");
   }

   protected override void OnDrawItem(RasterImageListDrawItemEventArgs e)
   {
      base.OnDrawItem(e);
      Console.WriteLine("OnDrawItem is called");
   }

   protected override void OnEnableKeyboardChanged(EventArgs e)
   {
      base.OnEnableKeyboardChanged(e);
      Console.WriteLine("OnEnableKeyboardChanged is called");
   }

   protected override void OnEnableRubberBandSelectionChanged(EventArgs e)
   {
      base.OnEnableRubberBandSelectionChanged(e);
      Console.WriteLine("OnEnableRubberBandSelectionChanged is called");
   }

   protected override void OnItemBackColorChanged(EventArgs e)
   {
      base.OnItemBackColorChanged(e);
      Console.WriteLine("OnItemBackColorChanged is called");
   }

   protected override void OnItemBorderStyleChanged(EventArgs e)
   {
      base.OnItemBorderStyleChanged(e);
      Console.WriteLine("OnItemBorderStyleChanged is called");
   }

   protected override void OnItemForeColorChanged(EventArgs e)
   {
      base.OnItemForeColorChanged(e);
      Console.WriteLine("OnItemForeColorChanged is called");
   }

   protected override void OnItemImageBorderStyleChanged(EventArgs e)
   {
      base.OnItemImageBorderStyleChanged(e);
      Console.WriteLine("OnItemImageBorderStyleChanged is called");
   }

   protected override void OnItemImageSizeChanged(EventArgs e)
   {
      base.OnItemImageSizeChanged(e);
      Console.WriteLine("OnItemImageSizeChanged is called");
   }

   protected override void OnItemSelectedBackColorChanged(EventArgs e)
   {
      base.OnItemSelectedBackColorChanged(e);
      Console.WriteLine("OnItemSelectedBackColorChanged is called");
   }

   protected override void OnItemSelectedForeColorChanged(EventArgs e)
   {
      base.OnItemSelectedForeColorChanged(e);
      Console.WriteLine("OnItemSelectedForeColorChanged is called");
   }

   protected override void OnItemSizeChanged(EventArgs e)
   {
      base.OnItemSizeChanged(e);
      Console.WriteLine("OnItemSizeChanged is called");
   }

   protected override void OnItemSpacingSizeChanged(EventArgs e)
   {
      base.OnItemSpacingSizeChanged(e);
      Console.WriteLine("OnItemSpacingSizeChanged is called");
   }

   protected override void OnKeyDown(KeyEventArgs e)
   {
      base.OnKeyDown(e);
      Console.WriteLine("OnKeyDown is called");
   }

   protected override void OnLostFocus(EventArgs e)
   {
      base.OnLostFocus(e);
      Console.WriteLine("OnLostFocus is called");
   }

   protected override void OnMouseDown(MouseEventArgs e)
   {
      base.OnMouseDown(e);
      Console.WriteLine("OnMouseDown is called");
   }

   protected override void OnMouseMove(MouseEventArgs e)
   {
      base.OnMouseMove(e);
      Console.WriteLine("OnMouseMove is called");
   }

   protected override void OnMouseUp(MouseEventArgs e)
   {
      base.OnMouseUp(e);
      Console.WriteLine("OnMouseUp is called");
   }

   protected override void OnPaint(PaintEventArgs e)
   {
      base.OnPaint(e);
      Console.WriteLine("OnPaint is called");
   }

   protected override void OnPaintPropertiesChanged(EventArgs e)
   {
      base.OnPaintPropertiesChanged(e);
      Console.WriteLine("OnPaintPropertiesChanged is called");
   }

   protected override void OnScroll(EventArgs e)
   {
      base.OnScroll(e);
      Console.WriteLine("OnScroll is called");
   }

   protected override void OnScrollStyleChanged(EventArgs e)
   {
      base.OnScrollStyleChanged(e);
      Console.WriteLine("OnScrollStyleChanged is called");
   }

   protected override void OnSelectedIndexChanged(EventArgs e)
   {
      base.OnSelectedIndexChanged(e);
      Console.WriteLine("OnSelectedIndexChanged is called");
   }

   protected override void OnSelectionModeChanged(EventArgs e)
   {
      base.OnSelectionModeChanged(e);
      Console.WriteLine("OnSelectionModeChanged is called");
   }

   protected override void OnSelectUserImageChanged(EventArgs e)
   {
      base.OnSelectUserImageChanged(e);
      Console.WriteLine("OnSelectUserImageChanged is called");
   }

   protected override void OnShowItemTextChanged(EventArgs e)
   {
      base.OnShowItemTextChanged(e);
      Console.WriteLine("OnShowItemTextChanged is called");
   }

   protected override void OnSizeChanged(EventArgs e)
   {
      base.OnSizeChanged(e);
      Console.WriteLine("OnSizeChanged is called");
   }

   protected override void OnSorterChanged(EventArgs e)
   {
      base.OnSorterChanged(e);
      Console.WriteLine("OnSorterChanged is called");
   }

   protected override void OnSortingChanged(EventArgs e)
   {
      base.OnSortingChanged(e);
      Console.WriteLine("OnSortingChanged is called");
   }

   protected override void OnViewStyleChanged(EventArgs e)
   {
      base.OnViewStyleChanged(e);
      Console.WriteLine("OnViewStyleChanged is called");
   }
}

            

   

      
	
      
	
    

            
            
Requirements
Target Platforms

            
            
See Also
Reference
RasterImageList Class

RasterImageList Members




        
    

	
    

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