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#1 Posted : Sunday, February 6, 2011 2:03:23 PM(UTC)

td1282  
td1282

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Is there a sample that shows how to implement rubber band selection using VS2005 C#?
 

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#2 Posted : Sunday, February 6, 2011 11:02:38 PM(UTC)
Maen Hasan

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If you mean that you want to give the user the ability to select regions, you can do this by setting the rasterImageViewer1.InteractiveMode to Leadtools.WinForms.RasterViewerInteractiveMode.Region.

If you mean something else, please provide me with more details about your requirements.

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
#3 Posted : Tuesday, February 8, 2011 10:21:25 AM(UTC)

td1282  
td1282

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Posts: 8


I was looking for sample code since I am new to c# & leadtools. I want to be able to create a pan window, similar to what is done in C++, select an area to pan and display that same area on both images.
 
#4 Posted : Tuesday, February 8, 2011 10:13:24 PM(UTC)
Maen Hasan

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If you need a sample code that shows how you can create a pan window and pan the image using the mouse, please check the LEADTOOLS C# Main demo that ships with the SDK. You can find the source code of the demo here:
[LEADTOOLS 17]\Examples\DotNet\CS\MainDemo

You can find the code under the _menuItemViewInteractive_Click event.

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
#5 Posted : Wednesday, February 9, 2011 11:01:49 AM(UTC)

td1282  
td1282

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Posts: 8


Thanks. Found that and I got it working. Now what I would like to be able to do is select/create a region of an image and zoom in on that region only, i.e show that region in the viewer. Is this possible & how? The sample that I saw only shows how to create the region.
 
#6 Posted : Thursday, February 10, 2011 2:12:34 AM(UTC)
Maen Hasan

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Posts: 1,328

Was thanked: 1 time(s) in 1 post(s)

You can do this by setting the rasterImageViewer1.InteractiveMode to Leadtools.WinForms.RasterViewerInteractiveMode.ZoomTo.

Also, you can do this by selecting a region on the image, and then pass the region rectangle to the RasterImageViewer.ZoomToRectangle() method.

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
#7 Posted : Friday, February 11, 2011 9:57:32 AM(UTC)

td1282  
td1282

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Posts: 8


I was trying to use 'Region' mode with the ZoomToRectangleMethod(). I assume I was sending in the wrong values for my rectangle region because it wasn't working as expected. Setting the mode to 'ZoomTo' works. Thanks so much for all your help!
 
#8 Posted : Saturday, February 12, 2011 11:41:02 PM(UTC)
Maen Hasan

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Posts: 1,328

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You can draw a region and then zoom to the region rectangle by using the following code:
+------------+
LeadRect Rect = rasterImageViewer1.Image.GetRegionBounds(null);
Rectangle Rect2 = new Rectangle(Rect.Left,Rect.Top,Rect.Width,Rect.Height);
rasterImageViewer1.ZoomToRectangle(Rect2);
+------------+

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
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