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ImageViewerDragTargetMode Enumeration

Summary

Specifies the drag target allowed by ImageViewerDragInteractiveMode.

Syntax
C#
C++/CLI
public enum ImageViewerDragTargetMode 
public enum class ImageViewerDragTargetMode sealed 
Members

0

All

(0) Drag target can be the same or any other ImageViewer in the application.

1

Same

(1) Drag target can only be the same ImageViewer that initiated the operation only and not any other ImageViewer instances in the application.

2

Others

(2) Drag target can be any other ImageViewer instance in the application but not the ImageViewer that initiated the operation.

Remarks

ImageViewerDragInteractiveMode is used to trigger drag operations from a source image viewer. The target of the drag can be limited using this mode.

Example
C#
using Leadtools; 
using Leadtools.Controls; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
 
public void ImageViewerDragInteractiveModeExample() 
{ 
   _imageViewer.ItemDragDrop += (sender, e) => 
   { 
      _imageViewer.InteractiveModes.BeginUpdate(); 
      e.Effect = DragDropEffects.Copy | DragDropEffects.Move | DragDropEffects.Link; 
      Debug.WriteLine("Format: {0}, Location: {1}, NativeEvent: {2}, Operation: {3}, SourceImageViewer: {4}, SourceItem: {5}, TargetImageViewer: {6}, TargetItem: {7}",  
         e.Format, e.Location, e.NativeEvent, e.Operation, e.SourceImageViewer, e.SourceItem, e.TargetImageViewer, e.TargetItem); 
      _imageViewer.InteractiveModes.EndUpdate(); 
      e.Abort = true; 
   }; 
   _imageViewer.InteractiveModes.BeginUpdate(); 
   ImageViewerDragInteractiveMode dragMode = new ImageViewerDragInteractiveMode(); 
   dragMode.Format = RasterImage.RasterImageDataFormat; 
   dragMode.TargetImageViewerMode = ImageViewerDragTargetMode.All; 
   dragMode.AllowedEffects = DragDropEffects.Copy | DragDropEffects.Move | DragDropEffects.Link; 
   _imageViewer.InteractiveModes.Add(dragMode); 
   _imageViewer.InteractiveModes.EndUpdate(); 
} 
Requirements

Target Platforms

See Also

Reference

Leadtools.Controls Namespace

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.