WPF (Binding of ObjectDataProvider)

[Html]
<Window x: Class = "TestOfObjectDataProvider. MainWindow"
Xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation"
Xmlns: x = "http://schemas.microsoft.com/winfx/2006/xaml"
Title = "MainWindow" Height = "350" Width = "525">
<StackPanel Background = "LightBlue">
<TextBox x: Name = "testBoxArg1" Margin = "5"/>
<TextBox x: Name = "testBoxArg2" Margin = "5"/>
<TextBox x: Name = "textBoxResult" Margin = "5"/>
</StackPanel>
</Window>

<Window x: Class = "TestOfObjectDataProvider. MainWindow"
Xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation"
Xmlns: x = "http://schemas.microsoft.com/winfx/2006/xaml"
Title = "MainWindow" Height = "350" Width = "525">
<StackPanel Background = "LightBlue">
<TextBox x: Name = "testBoxArg1" Margin = "5"/>
<TextBox x: Name = "testBoxArg2" Margin = "5"/>
<TextBox x: Name = "textBoxResult" Margin = "5"/>
</StackPanel>
</Window>
[Csharp]
Using System;
Using System. Collections. Generic;
Using System. Linq;
Using System. Text;
Using System. Windows;
Using System. Windows. Controls;
Using System. Windows. Data;
Using System. Windows. Documents;
Using System. Windows. Input;
Using System. Windows. Media;
Using System. Windows. Media. Imaging;
Using System. Windows. Navigation;
Using System. Windows. Shapes;
 
Namespace TestOfObjectDataProvider
{
/// <Summary>
/// Interaction logic for MainWindow. xaml
/// </Summary>
Public partial class MainWindow: Window
{
Public MainWindow ()
{
InitializeComponent ();
This. SetBinding ();
}
 
Private void SetBinding ()
{
ObjectDataProvider odp = new ObjectDataProvider ();
Odp. ObjectInstance = new Calculator ();
Odp. MethodName = "Add ";
Odp. MethodParameters. Add ("");
Odp. MethodParameters. Add ("");
 
Binding bindingToArg1 = new Binding ("MethodParameters [0]")
{
Source = odp,
BindsDirectlyToSource = true,
UpdateSourceTrigger = UpdateSourceTrigger. PropertyChanged
};
 
Binding bindingToArg2 = new Binding ("MethodParameters [1]")
{
Source = odp,
BindsDirectlyToSource = true,
UpdateSourceTrigger = UpdateSourceTrigger. PropertyChanged
};
 
Binding bindingToResult = new Binding (".")
{
Source = odp
};
 
This. testBoxArg1.SetBinding (TextBox. TextProperty, bindingToArg1 );
This. testBoxArg2.SetBinding (TextBox. TextProperty, bindingToArg2 );
This. textBoxResult. SetBinding (TextBox. TextProperty, bindingToResult );
 
}
}
 
Public class Calculator
{
Public string Add (string args1, string args2)
{
Double x = 0;
Double y = 0;
Double z = 0;
If (double. TryParse (args1, out x) & double. TryParse (args2, out y ))
{
Z = x + y;
Return z. ToString ();
}
Return "Input Error! ";
}
}
 

}