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POmouse movements in wpf
 

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    <p>Is there a way to use a mouse click and drag in wpf? I have disabled the borders on my app within the xaml code but in the code behind im trying to do something like this:</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace WpfApplication1 { /// &lt;summary&gt; /// Interaction logic for MainWindow.xaml /// &lt;/summary&gt; public partial class MainWindow : Window { private Size? _mouseGrabOffset; public MainWindow() { InitializeComponent(); } protected override void OnMouseDown(MouseEventArgs e) { if (e.Button == System.Windows.Forms.MouseButtons.Right) _mouseGrabOffset = new Size(e.Location); if (e.Button == System.Windows.Forms.MouseButtons.Left) _mouseGrabOffset = new Size(e.Location); base.OnMouseDown(e); } protected override void OnMouseUp(MouseEventArgs e) { _mouseGrabOffset = null; base.OnMouseUp(e); } protected override void OnMouseMove(MouseEventArgs e) { if (_mouseGrabOffset.HasValue) { this.Location = Cursor.Position - _mouseGrabOffset.Value; } base.OnMouseMove(e); } </code></pre> <p>Basically because my borders and title bar is disabled this code should allow control of the application anywhere where i click.</p> <p>I just cant get it to work because this is based on windows forms. </p> <p><strong>EDIT</strong></p> <p>If I try this I get a definition error but im unsure how else to handle it:</p> <pre><code>public partial class MainWindow : Window { private Size? _mouseGrabOffset; public MainWindow() { InitializeComponent(); this.MouseDown += new MouseButtonEventHandler(MainWindow_OnMouseDown); } void MainWindow_OnMouseDown(object sender, MouseEventArgs e) { if (e.LeftButton != MouseButtonState.Pressed) _mouseGrabOffset = new Size(e.Location); base.OnMouseMove(e); } protected override void OnMouseMove(MouseEventArgs e) { if (_mouseGrabOffset.HasValue) { this.Location = Cursor.Position - _mouseGrabOffset.Value; } base.OnMouseMove(e); } </code></pre> <p><strong>RE EDIT</strong></p> <p>So I have now tryed a new method as mentioned below but still nothing.</p> <pre><code>public partial class MainWindow : Window { //private Size? _mouseGrabOffset; public MainWindow() { InitializeComponent(); //this.MouseDown += new MouseButtonEventHandler(MainWindow_OnMouseDown); } public enum MouseButtonType { Left, Middle, Right, XButton1, XButton2, } protected override void OnMouseDown(MouseButtonEventArgs e) { base.OnMouseDown(e); } protected override void OnPreviewMouseDown(MouseButtonEventArgs e) { base.OnPreviewMouseDown(e); } </code></pre>
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    1. USGarrith Graham
    1. USGarrith Graham
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      1. USKirsty White
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    1. COWhy is this tagged with asp.net?
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      1. USm-y
    2. CO`MouseEventArgs` should be `MouseButtonEventArgs` for `MainWindow_OnMouseDown`
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      1. USXiaoChuan Yu
 

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