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KebooKeboo
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Adding support for handling SpellCheck.IsEnabled on TextBoxes.
1 parent a07f19f commit 58f2169

8 files changed

+174
-7
lines changed

‎MainDemo.Wpf/TextFields.xaml

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@@ -90,6 +90,7 @@
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MinWidth="280"
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AcceptsReturn="True"
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VerticalScrollBarVisibility="Auto"
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SpellCheck.IsEnabled="True"
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materialDesign:HintAssist.Hint="Multiline text"
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Height="80">Multiline. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. The quick brown fox jumps over the lazy dog. War and peace. Keep going. Go on. For how long? Not long. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</TextBox>
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<materialDesign:PackIcon Grid.Row="2" Grid.Column="0" Kind="Phone" Foreground="{Binding ElementName=PhoneTextBox, Path=BorderBrush}" />

‎MaterialDesignThemes.Wpf/MaterialDesignThemes.Wpf.csproj

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<Compile Include="SnackbarMessageEventArgs.cs" />
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<Compile Include="SnackbarMessageQueue.cs" />
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<Compile Include="SnackbarMessageQueueItem.cs" />
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<Compile Include="SpellingIgnoreAllMenuItem.cs" />
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<Compile Include="SpellingNoSuggestionsMenuItem.cs" />
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<Compile Include="SpellingSuggestionMenuItem.cs" />
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<Compile Include="Transitions\CircleWipe.cs" />
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<Compile Include="IHintProxy.cs" />
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<Compile Include="Transitions\IndexedItemOffsetMultiplierExtension.cs" />

‎MaterialDesignThemes.Wpf/SpellingIgnoreAllMenuItem.cs

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using System.Windows.Controls;
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using System.Windows.Documents;
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namespace MaterialDesignThemes.Wpf
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{
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public class SpellingIgnoreAllMenuItem : MenuItem
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{
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public SpellingIgnoreAllMenuItem()
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{
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Command = EditingCommands.IgnoreSpellingError;
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}
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}
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}

‎MaterialDesignThemes.Wpf/SpellingNoSuggestionsMenuItem.cs

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using System.Windows.Controls;
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namespace MaterialDesignThemes.Wpf
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{
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public class SpellingNoSuggestionsMenuItem : MenuItem
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{ }
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}

‎MaterialDesignThemes.Wpf/SpellingSuggestionMenuItem.cs

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using System.Windows.Controls;
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using System.Windows.Documents;
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namespace MaterialDesignThemes.Wpf
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{
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public class SpellingSuggestionMenuItem : MenuItem
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{
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public string Suggestion { get; }
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public SpellingSuggestionMenuItem(string spellingSuggestion)
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{
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Suggestion = spellingSuggestion;
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Command = EditingCommands.CorrectSpellingError;
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CommandParameter = spellingSuggestion;
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}
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}
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}

‎MaterialDesignThemes.Wpf/TextFieldAssist.cs

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@@ -1,8 +1,7 @@
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using System;
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using System.Linq;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Controls.Primitives;
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using System.Windows.Media;
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namespace MaterialDesignThemes.Wpf
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{
@@ -64,9 +63,122 @@ public static void SetDecorationVisibility(DependencyObject element, Visibility
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/// <returns></returns>
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public static Visibility GetDecorationVisibility(DependencyObject element)
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{
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return (Visibility) element.GetValue(DecorationVisibilityProperty);
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return (Visibility)element.GetValue(DecorationVisibilityProperty);
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}
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/// <summary>
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/// Automatially inserts spelling suggestions into the text box context menu.
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/// </summary>
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public static readonly DependencyProperty IncludeSpellingSuggestionsProperty = DependencyProperty.RegisterAttached(
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"IncludeSpellingSuggestions", typeof(bool), typeof(TextFieldAssist), new PropertyMetadata(default(bool), IncludeSpellingSuggestionsChanged));
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public static void SetIncludeSpellingSuggestions(TextBoxBase element, bool value)
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{
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element.SetValue(IncludeSpellingSuggestionsProperty, value);
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}
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public static bool GetIncludeSpellingSuggestions(TextBoxBase element)
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{
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return (bool)element.GetValue(IncludeSpellingSuggestionsProperty);
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}
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private static void IncludeSpellingSuggestionsChanged(DependencyObject element, DependencyPropertyChangedEventArgs e)
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{
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var textBox = element as TextBoxBase;
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if (textBox != null)
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{
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if ((bool)e.NewValue)
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{
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textBox.ContextMenuOpening += TextBoxOnContextMenuOpening;
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textBox.ContextMenuClosing += TextBoxOnContextMenuClosing;
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}
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else
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{
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textBox.ContextMenuOpening -= TextBoxOnContextMenuOpening;
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textBox.ContextMenuClosing -= TextBoxOnContextMenuClosing;
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}
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}
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}
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private static void TextBoxOnContextMenuOpening(object sender, ContextMenuEventArgs e)
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{
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var textBoxBase = sender as TextBoxBase;
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ContextMenu contextMenu = textBoxBase?.ContextMenu;
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if (contextMenu == null) return;
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RemoveSpellingSuggestions(contextMenu);
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if (!SpellCheck.GetIsEnabled(textBoxBase)) return;
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SpellingError spellingError = GetSpellingError(textBoxBase);
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if (spellingError != null)
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{
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int insertionIndex = 0;
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bool hasSuggestion = false;
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foreach (string suggestion in spellingError.Suggestions)
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{
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hasSuggestion = true;
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var menuItem = new SpellingSuggestionMenuItem(suggestion)
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{
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CommandTarget = textBoxBase
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};
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contextMenu.Items.Insert(insertionIndex++, menuItem);
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}
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if (!hasSuggestion)
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{
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contextMenu.Items.Insert(insertionIndex++, new SpellingNoSuggestionsMenuItem());
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}
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contextMenu.Items.Insert(insertionIndex++, new Separator { Tag = typeof(SpellingSuggestionMenuItem) });
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contextMenu.Items.Insert(insertionIndex++, new SpellingIgnoreAllMenuItem
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{
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CommandTarget = textBoxBase
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});
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contextMenu.Items.Insert(insertionIndex, new Separator { Tag = typeof(SpellingSuggestionMenuItem) });
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}
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}
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private static SpellingError GetSpellingError(TextBoxBase textBoxBase)
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{
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var textBox = textBoxBase as TextBox;
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if (textBox != null)
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{
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return textBox.GetSpellingError(textBox.CaretIndex);
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}
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var richTextBox = textBoxBase as RichTextBox;
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if (richTextBox != null)
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{
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return richTextBox.GetSpellingError(richTextBox.CaretPosition);
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}
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return null;
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}
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private static void TextBoxOnContextMenuClosing(object sender, ContextMenuEventArgs e)
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{
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var contextMenu = (sender as TextBoxBase)?.ContextMenu;
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if (contextMenu != null)
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{
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RemoveSpellingSuggestions(contextMenu);
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}
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}
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private static void RemoveSpellingSuggestions(ContextMenu menu)
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{
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foreach (object item in (from item in menu.Items.OfType<object>()
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let separator = item as Separator
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where item is SpellingSuggestionMenuItem ||
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item is SpellingIgnoreAllMenuItem ||
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item is SpellingNoSuggestionsMenuItem ||
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ReferenceEquals(separator?.Tag, typeof(SpellingSuggestionMenuItem))
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select item).ToList())
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{
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menu.Items.Remove(item);
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}
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}
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#region Methods
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/// <summary>
@@ -84,7 +196,7 @@ private static void ApplyTextBoxViewMargin(Control textBox, Thickness margin)
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var frameworkElement = (textBox.Template.FindName("PART_ContentHost", textBox) as ScrollViewer)?.Content as FrameworkElement;
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if (frameworkElement != null)
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{
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frameworkElement.Margin = margin;
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frameworkElement.Margin = margin;
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}
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}
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@@ -105,12 +217,12 @@ private static void TextBoxViewMarginPropertyChangedCallback(
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if (box.IsLoaded)
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{
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ApplyTextBoxViewMargin(box, (Thickness) dependencyPropertyChangedEventArgs.NewValue);
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ApplyTextBoxViewMargin(box, (Thickness)dependencyPropertyChangedEventArgs.NewValue);
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}
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111223
box.Loaded += (sender, args) =>
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{
113-
var textBox = (Control) sender;
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var textBox = (Control)sender;
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ApplyTextBoxViewMargin(textBox, GetTextBoxViewMargin(textBox));
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};
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}

‎MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.Menu.xaml

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</Setter.Value>
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</Setter>
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</Style>
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<Style TargetType="{x:Type wpf:SpellingSuggestionMenuItem}" BasedOn="{StaticResource MaterialDesignMenuItem}">
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<Setter Property="FontWeight" Value="Bold" />
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<Setter Property="Header" Value="{Binding RelativeSource={RelativeSource Self}, Path=Suggestion}" />
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</Style>
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<Style TargetType="{x:Type wpf:SpellingIgnoreAllMenuItem}" BasedOn="{StaticResource MaterialDesignMenuItem}">
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<Setter Property="Header" Value="Ignore All" />
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</Style>
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<Style TargetType="{x:Type wpf:SpellingNoSuggestionsMenuItem}" BasedOn="{StaticResource MaterialDesignMenuItem}">
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<Setter Property="Header" Value="(no spelling suggestions)" />
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<Setter Property="IsEnabled" Value="False" />
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</Style>
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</ResourceDictionary>

‎MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.TextBox.xaml

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<Setter Property="ScrollViewer.PanningMode" Value="VerticalFirst"/>
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<Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
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<Setter Property="Validation.ErrorTemplate" Value="{StaticResource MaterialDesignValidationErrorTemplate}"/>
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<Setter Property="wpf:TextFieldAssist.IncludeSpellingSuggestions" Value="{Binding RelativeSource={RelativeSource Self}, Path=(SpellCheck.IsEnabled)}" />
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<!-- cludge the default context menu -->
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<Setter Property="ContextMenu">
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<Setter.Value>

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