We Keep Coding

C# WPF Dynamic Button STYLE that has different pictures based on the x:name or x:key they have

I would like to make a game like Shakes & Fidgets. I got stuck at the Main menu, where I already overcomplicated stuff as I always do. I made a grid layout, where I will put the buttons, but every button is a picture. I use ImageBrush for every button's picture I want to create.
I would like to create ONE style for every button so they change their backgrounds based on the x:Name or x:Key they have. So a Button with x:Name or x:Key "PlayGame" would find it's as the PlayGame.png, PlayGame_Hover, PlayGame_OnClick where "PlayGame" is a variable.
In other words I would like to have a style that can filter the x:name, or x:key of a button, and uses it as a variable later on so I can do this: {StaticResource VARIABLENAME}
The Code I have now is:
<ImageBrush x:Key="PlayGame">
<ImageBrush.ImageSource>
<BitmapImage UriSource="./Pictures/PlayGameButton.png"/>
</ImageBrush.ImageSource>
</ImageBrush>
<ImageBrush x:Key="PlayGame_Hover">
<ImageBrush.ImageSource>
<BitmapImage UriSource="./Pictures/PlayGameButton_Hover.png"/>
</ImageBrush.ImageSource>
</ImageBrush>
<ImageBrush x:Key="PlayGame_OnClick">
<ImageBrush.ImageSource>
<BitmapImage UriSource="./Pictures/PlayGameButton_OnClick.png"/>
</ImageBrush.ImageSource>
</ImageBrush>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="{StaticResource PlayGame}" />
<Setter Property="FontSize" Value="15" />
<Setter Property="SnapsToDevicePixels" Value="True" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border CornerRadius="4" Background="{TemplateBinding Background}">
<Grid>
<ContentPresenter x:Name="MyContentPresenter" Content="{TemplateBinding Content}" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,0,0,0" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="{StaticResource PlayGame_Hover}" />
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter Property="Background" Value="{StaticResource PlayGame_OnClick}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>

I found a not very effective solution, but not the one I actually want
You can give the Style an
x:Key="styleKey"
and you have to give the button this part:
Style="{StaticResource styleKey}"
This way you will have to make a style for every different button you want to have, but it will work, and you will be happy about it if efficency is not key.:D

WPF Data Trigger

Hi I just wondered if I could get some help, I'm having alot of trouble getting the data trigger to work, if i remove the data trigger and place the drop shadow just as a setter it works. But i want to be able to give the user the option of turning on and off the drop shadow so I thought the data trigger would be the answer.
Basically I want to add the data trigger all over my control styles and just be able to change the fancyGraphics BOOL to TRUE or FALSE and have every controls drop shadow adjust.
Thanks in advance.
Here is my XAML
<sys:Boolean x:Key="fancyGraphics" >True</sys:Boolean>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="#EEE"></Setter>
<Setter Property="Foreground" Value="#555"></Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}" BorderThickness="1" BorderBrush="#DDD">
<Grid>
<ContentPresenter x:Name="MyContentPresenter" Content="{TemplateBinding Content}" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="#333"></Setter>
<Setter Property="BorderBrush" Value="#888"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<DataTrigger Binding="{Binding Path=fancyGraphics}" Value="True">
<Setter Property="Effect">
<Setter.Value>
<DropShadowEffect BlurRadius="20"
Opacity="0.5"
ShadowDepth="0"
Color="#111" />
</Setter.Value>
</Setter>
</DataTrigger>
</Style.Triggers>
</Style>

The binding in DataTrigger looks for a property named fancyGraphics. But, fancyGraphics is a static resource. You should define the binding as such:
<DataTrigger Binding="{Binding Source={StaticResource fancyGraphics}}" Value="True">
<Setter Property="Effect">
<Setter.Value>
<DropShadowEffect BlurRadius="20"
Opacity="0.5"
ShadowDepth="0"
Color="#111" />
</Setter.Value>
</Setter>
</DataTrigger>

Styling a WPF Passwordbox

I'm currently trying to do the following:
If no password is entered a text "Password" should be shown.
But with my template no password is shown, and if i'm using a decorator or a scrollviewer i can't change the color of the text.
Do you have any ideas to achieve this?
Here's my styling code:
<Style TargetType="{x:Type PasswordBox}" x:Key="Password">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="PasswordBox">
<Grid>
<PasswordBox Background="{StaticResource BrushDark}" Foreground="{StaticResource BrushTextNormal}" BorderBrush="{StaticResource BrushBorderInput}" BorderThickness="1"/>
<TextBlock HorizontalAlignment="Left"
VerticalAlignment="Center"
Text="Password"
Margin="5,0,5,0"
Foreground="#ff808080"
IsHitTestVisible="False"
x:Name="UserMessage"
Visibility="Hidden"/>
<!--<ScrollViewer Foreground="{StaticResource BrushTextNormal}" Background="{StaticResource BrushTextNormal}" x:Name="PART_ContentHost"/>-->
<!--<Decorator TextBlock.Foreground="White" x:Name="PART_ContentHost"/>-->
</Grid>
<ControlTemplate.Triggers>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="Tag" Value=""/>
<Condition Property="IsKeyboardFocusWithin" Value="False"/>
</MultiTrigger.Conditions>
<Setter Property="Visibility" TargetName="UserMessage" Value="Visible"/>
</MultiTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>

If you create custom ControlTemplate for PasswordBox or TextBox you need to put ScrollViewer named x:Name="PART_ContentHost instead of inner PasswordBox
From PasswordBox Syles and Templates
PART_ContentHost - A visual element that can contain a FrameworkElement. The text of the PasswordBox is displayed in this element.
And change Foreground as another Setter in you Style. Also, as a side node, I would do the same with Background and use TemplateBinding in your ControlTemplate. This will give more flexibility and allow you to change Background and/or Foreground manually without changing ControlTemplate
<Style TargetType="{x:Type PasswordBox}" x:Key="Password">
<Setter Property="Foreground" Value="{StaticResource BrushTextNormal}" />
<Setter Property="Background" Value="{StaticResource BrushDark}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type PasswordBox}">
<Grid Background="{TemplateBinding Background}">
<ScrollViewer x:Name="PART_ContentHost" .../>
<TextBlock .../>
</Grid>
<ControlTemplate.Triggers>
<!-- removed -->
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>

Background does not change of button C# WPF

I am trying to change style on mouseover.
My Code is:
<Button Name="register" Content="Register" Margin="15,410,20,0" Padding="6" FontSize="18" VerticalAlignment="Top" Background="#FF0090D6" BorderBrush="#FF0090D6" Foreground="White">
<Button.Style>
<Style TargetType="Button">
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="Red"></Setter>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
But the Background is the same default thing. But when i change property to BorderThickness then it works.
What am i doing wrong?

In the default template of button, there is trigger in ControlTemplate which set Background of button to #FFBEE6FD and since control template triggers have higher precedence compared to Style triggers that's why your trigger never works.
For that to achieve you have to override default template of button and remove that trigger from it so that your style trigger gets applied.
Here is the default template with that specific trigger commented out. In case you want to override BorderBrush as well, get rid of it as well from the template.
<ControlTemplate x:Key="DefaultTemplateOfButton" TargetType="ButtonBase">
<Border BorderThickness="{TemplateBinding Border.BorderThickness}"
BorderBrush="{TemplateBinding Border.BorderBrush}"
Background="{TemplateBinding Panel.Background}"
Name="border"
SnapsToDevicePixels="True">
<ContentPresenter RecognizesAccessKey="True"
Content="{TemplateBinding ContentControl.Content}"
ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}"
ContentStringFormat="{TemplateBinding ContentControl.ContentStringFormat}"
Name="contentPresenter"
Margin="{TemplateBinding Control.Padding}"
HorizontalAlignment="{TemplateBinding Control.HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding Control.VerticalContentAlignment}"
SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}"
Focusable="False" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Button.IsDefaulted" Value="True">
<Setter Property="Border.BorderBrush" TargetName="border">
<Setter.Value>
<DynamicResource ResourceKey="{x:Static SystemColors.HighlightBrushKey}" />
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="UIElement.IsMouseOver" Value="True">
<!--<Setter Property="Panel.Background" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FFBEE6FD</SolidColorBrush>
</Setter.Value>
</Setter>-->
<Setter Property="Border.BorderBrush" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FF3C7FB1</SolidColorBrush>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="ButtonBase.IsPressed" Value="True">
<Setter Property="Panel.Background" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FFC4E5F6</SolidColorBrush>
</Setter.Value>
</Setter>
<Setter Property="Border.BorderBrush" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FF2C628B</SolidColorBrush>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="ToggleButton.IsChecked" Value="True">
<Setter Property="Panel.Background" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FFBCDDEE</SolidColorBrush>
</Setter.Value>
</Setter>
<Setter Property="Border.BorderBrush" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FF245A83</SolidColorBrush>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="UIElement.IsEnabled" Value="False">
<Setter Property="Panel.Background" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FFF4F4F4</SolidColorBrush>
</Setter.Value>
</Setter>
<Setter Property="Border.BorderBrush" TargetName="border">
<Setter.Value>
<SolidColorBrush>#FFADB2B5</SolidColorBrush>
</Setter.Value>
</Setter>
<Setter Property="TextElement.Foreground" TargetName="contentPresenter">
<Setter.Value>
<SolidColorBrush>#FF838383</SolidColorBrush>
</Setter.Value>
</Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
How to set the control template to button?
Define the template somewhere under resource section of parent panel or UserControl and can be applied via StaticResource:
<Grid>
<Grid.Resources>
<ControlTemplate x:Key="MyTemplate"
TargetType="ButtonBase">
.......
</Grid.Resources>
<Button Name="register" Template="{StaticResource MyTemplate}"...>
</Grid>

Edit: As Rohit pointed out in the comments,
This won't work on Windows 8 because of some changes in PresentationFramework where default template of button is declared. ... In Windows 7 default template of button doesn't have that ControlTemplate trigger. That's why your posted code works fine on Windows7 but it won't work on Windows 8 and higher.
Rohit's answer about DependencyProperty Precedence being the cause is correct, but there's a much simpler way of fixing it than overwriting the Button's Template.
If you review the DependencyProperty Precedence List, you'll notice that properties set in the <Tag> have a higher precedence than Triggered properties, which is why your button will always use the background you have defined in your <Button> tag.
If you move the Background property to the <Style> itself, then triggered property will work since Triggered properties take precedence over properties defined in a Style.
<Button Name="register" Content="Register" ...>
<Button.Style>
<Style TargetType="Button">
<Setter Property="Background" Value="#FF0090D6" />
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="Red" />
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>

You have to override the default template for achieve this.
<Button Content="Button" HorizontalAlignment="Left" VerticalAlignment="Bottom" Width="50" Height="50" HorizontalContentAlignment="Left" BorderBrush="{x:Null}" Foreground="{x:Null}" Margin="50,0,0,0">
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="Green"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="DarkGoldenrod"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
Hope this helps.

<Button Content="Button" HorizontalAlignment="Left" VerticalAlignment="Bottom" Width="50" Height="50" HorizontalContentAlignment="Left" BorderBrush="{x:Null}" Foreground="{x:Null}" Margin="50,0,0,0">
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="Green"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="DarkGoldenrod"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
Above code perfectly works,
Even with this user can change the background color of button in runtime/codebehind

change background toggle button

I try to change the background of a toggle button everytime when it is checked or not,using 2 pictures. At runtime, the toggle button is simple and I don't see any image. This is my code:
<Canvas Height="25" Name="canvas1" Width="186" Background="White">
<ToggleButton Name="toggle1" Height="25" Padding="0" Width="27" Canvas.Left="131" Canvas.Top="0" BorderBrush="{x:Null}" Foreground="{x:Null}">
<ToggleButton.Resources>
<Style x:Key="OnOffToggleImageStyle" TargetType="ToggleButton">
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image1.png" Stretch="Uniform" TileMode="None" />
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsChecked" Value="False">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image2.png" Stretch="Uniform" TileMode="None" />
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>

Multiple things we can point here.
Firstly you're specifying the Style in ToggleButton.Resources with a x:Key. Thus it's not implicitly set. Setting a Style in resources of the item for which it applies in it's own scope is kinda weird. Rather just apply the Style directly as <ToggleButton.Style>.
Next, when working with Style.Triggers, make it a practice to specify a default Setter. This will prevent some headache for you. Also now instead of having two triggers for IsChecked=False/True, you only need one trigger as the other Background can be set as default.
Finally it seems like all you need from the ToggleButton is the IsChecked property and switch an Image. So just override the Template and provide a simple one yourself. This way you assure the behavior to stay consistent in all version of the OS and not rely on internal default template's working nicely for your customization(which wouldn't work in Windows-8 btw, what you're trying here for IsChecked=True due to internal overrides in default ControlTemplate)
So putting this all together we get:
<Style x:Key="MyToggleButtonStyle"
TargetType="ToggleButton">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image2.png"
Stretch="Uniform"
TileMode="None" />
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ToggleButton">
<Border Width="{TemplateBinding Width}"
Height="{TemplateBinding Height}"
Background="{TemplateBinding Background}" />
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked"
Value="True">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image1.png"
Stretch="Uniform"
TileMode="None" />
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
and apply it to your ToggleButton
<ToggleButton Name="toggle1" Height="25" Padding="0" Width="27" Canvas.Left="131" Canvas.Top="0" BorderBrush="{x:Null}" Foreground="{x:Null}" Style="{DynamicResource MyToggleButtonStyle}">
you can ofc remove the Key in the Style and make it implicitly apply to "all" ToggleButton's within the scope of the Style definition if you choose to.

Can you check if the build action for your images is Embedded Resource please?

Define the style directly for your togglebutton like below. it should fix your issue:
<ToggleButton>
<ToggleButton.Style>
<Style TargetType="ToggleButton">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image2.png" Stretch="Uniform" TileMode="None" />
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/WpfApp;component/Images/image1.png" Stretch="Uniform" TileMode="None" />
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>

You should remove the x:Key and it will work.