- How to use multilines in textbox
- <StackPanel>
- <TextBox x:Name="Number1" BorderThickness="0" />
- <TextBox x:Name="Operator" BorderThickness="0" />
- <TextBox x:Name="Number2" BorderThickness="0" />
- </StackPanel>
- textBox.Text = "1" + Environment.NewLine + "+" + Environment.NewLine + "3";