CODEWITHSUNDEEP
c#wpfxamlresourcedictionary
Tobias
Tobias

Reputation: 38336

Access variable in code-behind from Resources in UserControl

I have the following problem: I want to access one of these three vars, defined in XAML Resource

<UserControl.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="../../Themes/MainStyle.xaml" />
        </ResourceDictionary.MergedDictionaries>
        <System:Int32 x:Key="maxVal">500</System:Int32>
        <System:Int32 x:Key="minVal">250</System:Int32>
        <System:Int32 x:Key="actualWidth">250</System:Int32>
    </ResourceDictionary>
</UserControl.Resources>

I want to access the value of "actualWidth" from Codebehind file like this:

private void MinMaxGraphicsMessageSink(bool minmax)
{
   actualWidth = minmax ? 900 : 300;
}

But this doesn't work. Can someone help?

Upvotes: 1

Views: 5433

Answers (3)

Haris Hasan
Haris Hasan

Reputation: 30097

int maxVal = (Convert.ToInt32(FindResource("maxVal")));

similarly min value

int minVal = (Convert.ToInt32(FindResource("minVal")));

to set value of a resource you can do like this

var resourceDictionary = this.Resources;
resourceDictionary["actualWidth"] = somevalue;

Upvotes: 5

biju
biju

Reputation: 18020

use like this

(int)this.FindResource("actualWidth")

Upvotes: 0

Mark
Mark

Reputation: 14940

I think you can use 

var max = (int)Application.Resources["maxValue"];

or something similar.

Upvotes: 0

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