CODEWITHSUNDEEP
c#
dns_nx
dns_nx

Reputation: 3943

Using Type instead of specific class

I have this code:

if (((Classes.ProductGroup)o).ToString().Contains(comboBox.Text)) 
   return true;
else 
   return false;

Now I want not to specify the part Classes.ProductGroup. I want to make it universal.

How can I replace the part Classes.ProductGroup with a Type object?

Type type = typeof(Classes.ProductGroup);

Something similar to this:

if (((type)o).ToString().Contains(comboBox.Text))

Is this possible?

Here is the complete method code:

private void FilterPGsinComboBox(object obj)  
{
    if (!Dispatcher.CheckAccess())
    {
        Dispatcher.Invoke(new FilterPGsinComboBoxDelegate(this.FilterPGsinComboBox),obj);
        return;
    }
    Type type = ((Dictionary<ComboBox, Type>)obj).First().Value;
    ComboBox comboBox = ((Dictionary<ComboBox, Type>)obj).First().Key;
    comboBox.IsDropDownOpen = true;
    CollectionView itemsViewOriginal = (CollectionView)CollectionViewSource.GetDefaultView(comboBox.ItemsSource);

    itemsViewOriginal.Filter = ((o) =>
    {
        if (String.IsNullOrEmpty(comboBox.Text)) 
            return true;
        else
        {
            if (((Classes.ProductGroup)o).ToString().Contains(comboBox.Text)) 
                return true;
            else 
                return false;
        }
    });

    itemsViewOriginal.Refresh();
}

Upvotes: 0

Views: 66

Answers (2)

ASh
ASh

Reputation: 35646

string ToString() method is defined in the base Object class. cast to concrete type is redundant.

string filter = comboBox.Text;

itemsViewOriginal.Filter = o => String.IsNullOrEmpty(filter) || 
                                o != null && o.ToString().Contains(filter);

Upvotes: 1

Mighty Badaboom
Mighty Badaboom

Reputation: 6155

You can use generics and build a method like

public bool ClassNameContainString<T>(string text) where T : class
{
    var containsString = typeof(T).ToString().Contains(text);

    return containsString;
}

If you want to make this method case insensitive change the logic to 

var containsString = typeof(T).ToString().ToLower().Contains(text.ToLower());

Upvotes: 1

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