Improved threading of WPF sample.

2 files changed, 14 insertions, 3 deletions

diff --git a/samples/ConsumerWpf/MainWindow.xaml b/samples/ConsumerWpf/MainWindow.xaml
index 1c8fa84..3434b9b 100644
--- a/samples/ConsumerWpf/MainWindow.xaml
+++ b/samples/ConsumerWpf/MainWindow.xaml
@@ -16,7 +16,7 @@
 		</Grid.RowDefinitions>

 		<StackPanel Orientation="Horizontal" Grid.Column="1" Grid.Row="3">

 			<Button Name="beginAuthorizationButton" Click="beginAuthorizationButton_Click">Start authorize</Button>

-			<Button Name="completeAuthorizationButton" Margin="5,0,0,0" Click="completeAuthorizationButton_Click">Complete authorization</Button>

+			<Button Name="completeAuthorizationButton" Margin="5,0,0,0" Click="completeAuthorizationButton_Click" IsEnabled="false">Complete authorization</Button>

 		</StackPanel>

 		<Label>Consumer Key</Label>

 		<TextBox Grid.Column="1" Name="consumerKeyBox"/>

diff --git a/samples/ConsumerWpf/MainWindow.xaml.cs b/samples/ConsumerWpf/MainWindow.xaml.cs
index 37dc288..dc805ce 100644
--- a/samples/ConsumerWpf/MainWindow.xaml.cs
+++ b/samples/ConsumerWpf/MainWindow.xaml.cs
@@ -3,6 +3,7 @@
 	using System.Collections.Generic;

 	using System.Linq;

 	using System.Text;

+	using System.Threading;

 	using System.Windows;

 	using System.Windows.Controls;

 	using System.Windows.Data;

@@ -37,8 +38,18 @@
 			this.tokenManager.ConsumerSecret = consumerSecretBox.Text;

 			this.google.ConsumerKey = consumerKeyBox.Text;

 

-			Uri browserAuthorizationLocation = GoogleConsumer.RequestAuthorization(this.google, GoogleConsumer.Applications.Contacts, out this.requestToken);

-			System.Diagnostics.Process.Start(browserAuthorizationLocation.AbsoluteUri);

+			Cursor original = this.Cursor;

+			this.Cursor = Cursors.Wait;

+			beginAuthorizationButton.IsEnabled = false;

+			ThreadPool.QueueUserWorkItem(delegate(object state) {

+				Uri browserAuthorizationLocation = GoogleConsumer.RequestAuthorization(this.google, GoogleConsumer.Applications.Contacts, out this.requestToken);

+				System.Diagnostics.Process.Start(browserAuthorizationLocation.AbsoluteUri);

+				this.Dispatcher.BeginInvoke(new Action(() => {

+					this.Cursor = original;

+					beginAuthorizationButton.IsEnabled = true;

+					completeAuthorizationButton.IsEnabled = true;

+				}));

+			});

 		}

 

 		private void completeAuthorizationButton_Click(object sender, RoutedEventArgs e) {