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POTo remove focus rectangle in WPFwithin a UserControl
 

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    <p>I have a situation where I need to tab using <code>TabKey</code> from one control to another. The condition is that the focus should never go to control that does not have user inputs so only <code>Text</code>, <code>ComboBox</code>, <code>List DatePicker</code> but somehow the focus after 3 controls get the <code>Focus</code> to go to a dashed line <code>Rectangle</code> (Could be of a <code>Grid</code>, StackPanel, I have not been able to findout) around the control groups before it gets into the control. I have searched very thoroughly in Google and stack over flow for a solution but none seem to work.</p> <p>Various solutions I tried:</p> <p>1) Here I set <code>FocusVisualStyle</code> property to null right at start up for <code>Grid</code> and <code>StackPanels</code>. Created a new class:</p> <pre><code>&lt;StackPanel views:FocusVisualTreeChanger.IsChanged="True" Name="parentStackPanel" Orientation="Vertical" Style="{DynamicResource key1}" FocusVisualStyle="{x:Null}"&gt; public class FocusVisualTreeChanger { public static bool GetIsChanged(DependencyObject obj) { return (bool)obj.GetValue(IsChangedProperty); } public static void SetIsChanged(DependencyObject obj, bool value) { obj.SetValue(IsChangedProperty, value); } public static readonly DependencyProperty IsChangedProperty = DependencyProperty.RegisterAttached("IsChanged", typeof(bool), typeof(FocusVisualTreeChanger), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.Inherits, IsChangedCallback)); private static void IsChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { if (true.Equals(e.NewValue)) { FrameworkContentElement contentElement = d as FrameworkContentElement; if (contentElement != null) { contentElement.FocusVisualStyle = null; return; } FrameworkElement element = d as FrameworkElement; if (element != null) { element.FocusVisualStyle = null; } } } } </code></pre> <p>Did not work. </p> <p>I tried setting <code>FocusVisualStyle</code> property to <em>null</em> for only <code>Grid</code> and <code>StackPanel</code> seems to go through the codebehind if I put a break point but the focus rectangle does not go away:</p> <pre><code>&lt;Grid Name="AppointmentGrid" Style="{DynamicResource key2}" FocusVisualStyle="{x:Null}"&gt; Style style = new Style { TargetType = typeof(Grid) }; style.Setters.Add(new Setter(Grid.FocusVisualStyleProperty, null)); style.Setters.Add(new Setter(Grid.FocusableProperty, false)); Application.Current.Resources["key2"] = style; Application.Current.Resources["key3"] = style; Application.Current.Resources["key4"] = style; Style style1 = new Style { TargetType = typeof(StackPanel) }; style1.Setters.Add(new Setter(StackPanel.FocusVisualStyleProperty, null)); style1.Setters.Add(new Setter(StackPanel.FocusableProperty, false)); Application.Current.Resources["key1"] = style1; </code></pre> <p>Can anyone please help me out with a solution that I have not already tried. None in stackoverflow solutions seem to work. I also set Focusable=false just incase but that doesn't seem to help either.</p> <p>I also read:</p> <p><a href="https://stackoverflow.com/questions/818566/remove-focus-rectangle-on-a-usercontrol">Remove focus rectangle on a UserControl</a></p> <p><a href="https://stackoverflow.com/questions/15783943/wpf-control-remove-focus-and-hover-effect-focusvisualstyle">WPF Control remove focus and hover effect (FocusVisualStyle?!)</a></p> <p><a href="https://stackoverflow.com/questions/592665/wpf-remove-dotted-border-around-focused-item-in-styled-listbox">WPF: Remove dotted border around focused item in styled listbox</a></p> <p>This is what I think I am stuck at. A comment I found in one of the search <a href="http://social.msdn.microsoft.com/Forums/vstudio/en-US/141c8bfa-f152-4f8a-aca0-3c3b5440d183/globally-removing-focus-rectangle" rel="nofollow noreferrer">sites</a>.</p> <p>That's a great way to change the default value of a DP, but it will not help in situations where a control's style explicitly changes the property value. Unfortunately, <code>FocusVisualStyle</code> is one such property. More specifically, styles for controls like <code>Button</code>, <code>ComboBox</code>, <code>ListBox</code>, etc. tend to explicitly contain a Setter for the FocusVisualStyle property. This setter will override the default value that you establish by overriding the metadata.</p> <p>Can someone suggest a solution that will work in my case. I have a User control </p> <pre><code>&lt;UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:csla="http://schemas.lhotka.net/4.2.0/xaml" xmlns:input="clr- FocusVisualStyle="{x:Null}" Focusable="False" xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Input.Toolkit" mc:Ignorable="d" d:DesignWidth="948" IsTabStop="False" TabIndex="-1"&gt; &lt;StackPanel views:FocusVisualTreeChanger.IsChanged="True" Name="parentStackPanel" Orientation="Vertical" Style="{DynamicResource key1}" FocusVisualStyle="{x:Null}"&gt;&lt;Grid Name="AppointmentGrid" Style="{DynamicResource key2}" FocusVisualStyle="{x:Null}"&gt; </code></pre> <p>Thanks Dhiren</p>
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    1. COI have also had trouble in the past with focus for UserControls. I don't have a specific answer, but I found Snoop [link](http://snoopwpf.codeplex.com/) to be a valuable resource. It shows what element has the current focus.
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