Page parent wpf

private void Button_Click_Upload(object sender, RoutedEventArgs e)
{
    ((w)App.Current.MainWindow).textBox_1.Text = "Your Text";
    //or 
    ((w)Window.GetWindow(this)).textBox_1.Text = "Your Text";
}

Source: stackoverflow.com

Similar codes

1 vote243 views1 answer
Unity main texture not working
C#
21 votes227 views2 answers
Change scale of an object unity
C#
0 vote280 views1 answer
Replace double backslash with single backslash c#
C#
0 vote224 views1 answer
Como guardar archivo en un botón asp.net
C#
0 vote224 views1 answer
Two question marks together mean in C#
C#
15 votes180 views5 answers
C# function return
C#
0 vote219 views1 answer
C# int.parse input string wasnt in correct format
C#
0 vote220 views1 answer
How to remove black top bar in asp.net
C#
49 votes299 views6 answers
Instantiate unity
C#Unity
1 vote229 views1 answer
Unity c# check how many of an object exists
C#