Questions on UI for WPF Forum

2 answers

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Hello,

I'm developing an installation wizard, and i have a resource for radbuttons.

Everything seems ok upon creation, but when i put the mouse over the button or i press it i get the following error:

System.Windows.Data Error: 40 : BindingExpression path error: '(MaterialControls:MaterialAssist.MouseOverBrush)' property not found on 'object' ''RadButton' (Name='LoginButton')'. BindingExpression:Path=(MaterialControls:MaterialAssist.MouseOverBrush); DataItem='RadButton' (Name='LoginButton'); target element is 'Border' (Name='BorderVisual'); target property is 'Background' (type 'Brush')

I have no idea what is wrong.

Code for button in wizard:

<telerik:RadButton x:Name="LoginButton"

Margin="0 180 0 35"

HorizontalAlignment="Center"

Content="Submit"

Height="40" Width="105"

VerticalAlignment="Bottom"

Click="LoginButton_Click"

MouseEnter="LoginButton_MouseEnter"

MouseLeave="LoginButton_MouseLeave"

Style="{DynamicResource TestButton}"

CommandParameter="{Binding}"/>

code

<Style x:Key="TestButton" TargetType="{x:Type telerik:RadButton}">

<Setter Property="MinWidth" Value="70"/>

<Setter Property="Margin" Value="0,0,5,0"/>

<Setter Property="HorizontalAlignment" Value="Left"/>

<Setter Property="VerticalAlignment" Value="Center"/>

<Style.BasedOn>

<Style TargetType="{x:Type telerik:RadButton}">

<Setter Property="MaterialControls:MaterialAssist.MouseOverBrush" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.MouseOverBrush}}"/>

<Setter Property="MaterialControls:MaterialAssist.PressedBrush" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.PressedBrush}}"/>

<Setter Property="MaterialControls:MaterialAssist.FocusBrush" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.AccentFocusedBrush}}"/>

<Setter Property="FontFamily" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.FontFamily}}"/>

<Setter Property="FontSize" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.FontSize}}"/>

<Setter Property="Foreground" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.MarkerBrush}}"/>

<Setter Property="Background" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.MainBrush}}"/>

<Setter Property="BorderBrush" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.MainBrush}}"/>

<Setter Property="BorderThickness" Value="1"/>

<Setter Property="Padding" Value="5"/>

<Setter Property="CornerRadius" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.CornerRadius}}"/>

<Setter Property="SnapsToDevicePixels" Value="True"/>

<Setter Property="UseLayoutRounding" Value="True"/>

<Setter Property="FocusVisualStyle" Value="{x:Null}"/>

<Setter Property="HorizontalContentAlignment" Value="Center"/>

<Setter Property="VerticalContentAlignment" Value="Center"/>

<Setter Property="Template">

<Setter.Value>

<ControlTemplate TargetType="{x:Type telerik:RadButton}">

<Grid>

<Border x:Name="BorderVisual" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="{TemplateBinding CornerRadius}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>

<Border x:Name="FocusVisual" BorderBrush="{TemplateBinding MaterialControls:MaterialAssist.FocusBrush}" BorderThickness="{DynamicResource {x:Static telerik:FluentResourceKey.FocusThickness}}" CornerRadius="{TemplateBinding CornerRadius}" IsHitTestVisible="False" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Visibility="Collapsed"/>

<MaterialControls:FluentControl BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding CornerRadius}" HorizontalContentAlignment="Stretch" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalContentAlignment="Stretch">

<ContentPresenter x:Name="Content" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}" TextElement.Foreground="{TemplateBinding Foreground}" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>

</MaterialControls:FluentControl>

</Grid>

<ControlTemplate.Triggers>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsBackgroundVisible" Value="False"/>

<Condition Property="IsEnabled" Value="True"/>

<Condition Property="IsMouseOver" Value="False"/>

</MultiTrigger.Conditions>

<Setter Property="Background" Value="Transparent"/>

<Setter Property="BorderBrush" Value="Transparent"/>

</MultiTrigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsEnabled" Value="True"/>

<Condition Property="IsFocused" Value="True"/>

<Condition Property="IsPressed" Value="False"/>

<Condition Property="IsMouseOver" Value="False"/>

</MultiTrigger.Conditions>

<Setter Property="Visibility" TargetName="FocusVisual" Value="Visible"/>

</MultiTrigger>

<Trigger Property="IsMouseOver" Value="True">

<Setter Property="Background" TargetName="BorderVisual" Value=

"{Binding (MaterialControls:MaterialAssist.MouseOverBrush), Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"

/>

<Setter Property="BorderBrush" TargetName="BorderVisual" Value=

"{Binding (MaterialControls:MaterialAssist.MouseOverBrush), Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"

/>

</Trigger>

<Trigger Property="IsPressed" Value="True">

<Setter Property="Background" TargetName="BorderVisual" Value="{Binding (MaterialControls:MaterialAssist.PressedBrush), Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"/>

<Setter Property="BorderBrush" TargetName="BorderVisual" Value="{Binding (MaterialControls:MaterialAssist.PressedBrush), Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"/>

</Trigger>

<Trigger Property="IsEnabled" Value="False">

<Setter Property="Opacity" TargetName="Content" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.DisabledOpacity}}"/>

<Setter Property="Background" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.AlternativeBrush}}"/>

<Setter Property="BorderBrush" Value="{telerik:FluentResource ResourceKey={x:Static telerik:FluentResourceKey.AlternativeBrush}}"/>

</Trigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsEnabled" Value="False"/>

<Condition Property="IsFocused" Value="True"/>

</MultiTrigger.Conditions>

<Setter Property="Visibility" TargetName="FocusVisual" Value="Collapsed"/>

</MultiTrigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsEnabled" Value="False"/>

<Condition Property="IsBackgroundVisible" Value="False"/>

</MultiTrigger.Conditions>

<Setter Property="Background" Value="Transparent"/>

<Setter Property="BorderBrush" Value="Transparent"/>

</MultiTrigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</Setter.Value>

</Setter>

</Style>

</Style.BasedOn>

</Style>

Can someone please help me?

Regards

Wizard

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