How to get a string from c# code to XAML (WPF)

Question

I am trying to get a string from my C# code over to my XAML, but I can't seem to find a way to do it

My C# code

public string demoColour= "#FFFFFF";

My XAML Code

...
<Trigger Property="IsMouseOver" Value="True">
    <Setter Property="Background" TargetName="Bd" Value="{ NOT SURE WHAT GOES HERE :( }"/>
</Trigger>                            
...

Take a look at data binding. Or make demoColour a static class member and use x:Static. — Clemens
– Clemens, Commented Feb 11, 2020 at 12:54
I seem to understand how to do it now, this article here helped: tutorialspoint.com/wpf/wpf_data_binding.htm Thanks for telling me what to look into — Tristan Read
– Tristan Read, Commented Feb 11, 2020 at 14:14

Warsox · Accepted Answer · 2020-02-11 14:17:53Z

2

As Clemes said, you should take a look at data binding. Data binding is one really important thing in WPF.

But here is one Solution, which works fine:

Make a new Class called ViewModel
Add a Property to that Class like public string MyColor { get; set; } = "#FFFFFF";
Set the DataContext in your XAML:

    <Window.DataContext>
        <local:ViewModel/>
    </Window.DataContext>

Bind your Property to your XAML whereever you want. For Example:

    <Window.Resources>
        <Style TargetType="Button">
            <Setter Property="Background" Value="{Binding MyColor}"/>
        </Style>
    </Window.Resources>

answered Feb 11, 2020 at 14:17

Warsox

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