[ADDED] other canvas can be reset via an other canvas

Client/ViewModels/ViewModelGame.cs

@@ -100,7 +100,7 @@ namespace Client.ViewModels
         private void CanvasResetLocal()
         {
             this.window.CanvasForPaint.Children.Clear();
-            data.Client.SendMessage(JSONConvert.GetMessageToSend(JSONConvert.CANVAS, JSONConvert.CANVAS_RESET));
+            data.Client.SendMessage(JSONConvert.ConstructCanvasReset());
         }
 
 
@@ -193,7 +193,11 @@ namespace Client.ViewModels
 
         private void CanvasResetData()
         {
-             this.window.CanvasForPaint.Children.Clear();
+            Application.Current.Dispatcher.Invoke(delegate
+            {
+                this.window.CanvasForPaint.Children.Clear();
+            });
+             
         }
 
         private void ChatBox_KeyDown()

Client/Views/GameWindow.xaml

@@ -40,7 +40,7 @@
 
             <Label Name="GuessWord" Grid.Row="0" Grid.Column="2" Content="{Binding Path=RandomWord, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Center" HorizontalAlignment="Center" FontSize="20"/>
 
-            <Button Name="CanvasReset" Click="CanvasReset_Click" Grid.Row="0" Grid.Column="3" Content="RESET"/>
+            <Button Name="CanvasReset" Command="{Binding ButtonResetCanvas}" Grid.Row="0" Grid.Column="3" Content="RESET"/>
         </Grid>
 
         

SharedClientServer/JSONConvert.cs

@@ -193,6 +193,15 @@ namespace SharedClientServer
                 color = colorToSend
             });
         }
+        
+        public static byte[] ConstructCanvasReset()
+        {
+            dynamic payload = new
+            {
+                canvasType = CANVAS_RESET
+            };
+            return GetMessageToSend(CANVAS, payload);
+        }
 
         public static int GetCanvasMessageType(byte[] json)
         {