Mouseover border in a custom control for a textblock - wpf

Question

I am trying to create a custom control for a text block that when moused over, a border will appear. I am pretty new to WPF and have only made some very simple custom controls. I need to implement this in a XAML UserControl.
Any suggestions would be greatly appreciated. Thanks again, StackOverflow.
EDIT: I am going to have to bind a persistence property to several different controls, so I really need to do this in a custom control. This is what I have, and it isn't working:
xmlns:customControls="clr-namespace:****.CustomControls"
....
<customControls:MouseOverBorder>
<TextBlock Style="{StaticResource ResourceKey=HomePageButtonText}"
Height="100"
Width="100"
Margin="5"
Text="View Reports" />
</customControls:MouseOverBorder>
And the UserControl:
<UserControl
x:Class="****.MouseOverBorder"
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"
mc:Ignorable="d">
<UserControl.Resources>
<ResourceDictionary>
<Style x:Key="MouseOverBorder" TargetType="{x:Type Border}">
<Setter Property="BorderThickness" Value="1" />
<Setter Property="CornerRadius" Value="3" />
<Style.Triggers>
<Trigger Property="Border.IsMouseOver" Value="true">
<Setter Property="BorderBrush" Value="White" />
</Trigger>
</Style.Triggers>
</Style>
</ResourceDictionary>
</UserControl.Resources>
<Border Style="{DynamicResource MouseOverBorder}" BorderThickness="1" CornerRadius="3" SnapsToDevicePixels="True"/>

Answer 1

No need to make a UserControl. I've managed to accomplish this with the following markup:
<Border Style="{DynamicResource BorderStyle1}" BorderThickness="1" CornerRadius="3" >
<TextBlock Text="TextBlock" />
</Border>
Here's the style:
<Style x:Key="BorderStyle1" TargetType="{x:Type Border}">
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="CornerRadius" Value="3"/>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="BorderBrush" Value="#FF123BBA"/>
</Trigger>
</Style.Triggers>
</Style>
EDIT:
Still don't get it why do you need a UserControl (please don't call it custom control - these are different things), but let's consider your example.
When you write the following
<customControls:MouseOverBorder>
<TextBlock Style="{StaticResource ResourceKey=HomePageButtonText}"
Height="100"
Width="100"
Margin="5"
Text="View Reports" />
</customControls:MouseOverBorder>
you are actually setting MouseOverBorder.Content property. Originally it's Content is defined in MouseOverBorder.xaml file. So you are replacing all your UserControl structure with TextBlock. But still I got your idea and have solution for it.
First, add custom DependencyProperty and CLR wrapper for it to MouseOverBorder class:
public static readonly DependencyProperty MyContentTemplateProperty =
DependencyProperty.Register("MyContentTemplate", typeof(DataTemplate), typeof(MouseOverBorder), null);
[Browsable(true)]
[Category("Other")]
public DataTemplate MyContentTemplate
{
get { return (DataTemplate)GetValue(MyContentTemplateProperty); }
set { SetValue(MyContentTemplateProperty, value); }
}
Second, make something inside MouseOverBorder use this property, e.g.
<ContentPresenter ContentTemplate="{Binding MyContentTemplate, ElementName=userControl}"/>
<!-- userControl is the Name of MouseOverBorder, defined in xaml -->
At last, you can use your UserControl as following:
<customControls:MouseOverBorder>
<customControls:MouseOverBorder.MyContentTemplate>
<DataTemplate>
<TextBlock Style="{StaticResource ResourceKey=HomePageButtonText}"
Height="100"
Width="100"
Margin="5"
Text="View Reports" />
</DataTemplate>
</customControls:MouseOverBorder.MyContentTemplate>
</customControls:MouseOverBorder>