How to disable all buttons

Question

I have a method that disables all the butttons on my window. But i can't seem to get the type of Button to match it to the Resource collection

I'm using Expression Blend 3 with a c# code-behind

void DisableButtons()
    {
        for(int i = 0; i>= this.Resources.Count -1; i ++)
        {
            if (this.Resources[i].GetType() == typeof(Button))
            {
                Button btn = (Button)this.Resources[i];
                btn.IsEnabled = false;
            }
        }

    }

Update

Thanks for the answers! Ok The loop is working but my code is incorrect. this.Resources Does not seem to include my buttons! This could be an Blend thing?

So Yeah. I ended up doing it manually. Cause I'm hasty and there isn't a short easy solution. Thanks for all the input though!

Answer 1

void DisableButtons()
{
    for(int i = 0; i < Resources.Count; i ++)
    {
        var btn = Resources[i] as Button;
        if(btn != null)
        {
            btn.IsEnabled = false;
        }
    }
}

Easy way to implement it is use foreach instruction with LINQ query, but this way need more resuources whan easy for.

void DisableButtons()
{
    foreach(var button in Resources.OfType<Button>())
    {
        button.IsEnabled = false;
    }
}