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Windows Presentation Foundation 4.5 Cookbook

You're reading from   Windows Presentation Foundation 4.5 Cookbook For C# developers, this book offers a fast route to getting more closely acquainted with the ins and outs of Windows Presentation Foundation. The recipe approach smoothes out the complexities and enhances learning.

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Product type Paperback
Published in Sep 2012
Publisher Packt
ISBN-13 9781849686228
Length 464 pages
Edition 1st Edition
Languages
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Author (1):
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Pavel Yosifovich Pavel Yosifovich
Author Profile Icon Pavel Yosifovich
Pavel Yosifovich
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Table of Contents (18) Chapters Close

Windows Presentation Foundation 4.5 Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Foundations 2. Resources FREE CHAPTER 3. Layout and Panels 4. Using Standard Controls 5. Application and Windows 6. Data Binding 7. Commands and MVVM 8. Styles, Triggers, and Control Templates 9. Graphics and Animation 10. Custom Elements 11. Threading Index

Implementing drag-and-drop


Drag-and-drop functionality is common in applications, where one object is held down and dragged to some other object with the mouse. This approach is not as common as it used to be, especially with a mouse, because it requires hand coordination skills. Recent tablet devices are touch enabled, where drag and drop makes a lot of sense. As a general rule, always provide an alternative to drag-and-drop. That said, this can be a handy feature for advanced users.

Getting ready

Make sure Visual Studio is up and running.

How to do it...

We'll create an application that allows dragging elements (circles and rectangles) from one part of the window to another container within the same window, showing the necessary steps to get drag-and-drop working properly:

  1. Create a new WPF application named CH03.SimpleDragDrop.

  2. Open MainWindow.xaml. Fill the existing Grid with the following markup:

    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="2*"/>
     ...
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