techniques/source code  for zooming a form or picture in and out according to scale and percentage(e.g. in drawing or cad softwares) in visual basic programmes
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modijsAuthor Commented:
reply if possible with source codes
If you use the Microsoft Forms 2.0 Object Library, the Image control supports zooming...

To add this to your project, right-click the toolbar and select "Components..." Then select "Microsoft Forms 2.0 Object Library" from the list.

You can then add this image control to your project and set the PictureSizeMode property to 3.

The picture will automatically be enlarged to the height and width of the image object.

To complete the zoom effect, place this image control inside a standard picture control... This picture control acts as the view portal when the image is zoomed...

Hope this helps!


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modijsAuthor Commented:
give more clarrifications
suppose i have made a drawing with circles and lines and etc in vb using graphics methods in vb and this are drawn on form than how to maximize particular area of this drawing on the form. it should be like zooming in the  coreldraw  or pro-e etc softwares
You would have to capture the drawings on the form an then use the Forms 2.0 Image object to display the captured image...

Check out this microsoft article:

HOWTO: Capture and Print the Screen, a Form, or any Window

You can also try another method by using the WANG (KODAK) Image Control.  You can obtain it here:  http://support.microsoft.com/support/kb/articles/Q197/1/29.ASP

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Visual Basic Classic

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