Changing the coordinate system of canvas WPF

                    <Canvas.LayoutTransform>

                        <ScaleTransform ScaleX="1" ScaleY="-1" CenterX=".5" CenterY=".5" />

                    </Canvas.LayoutTransform>

Call User control event from parent window WPF c#

//In userControl

public event EventHandler HelpButtonUpdated;

        public Header()

        {

            InitializeComponent();

        }

        private void Image_MouseDown(object sender, MouseButtonEventArgs e)

        {

            //Null check makes sure the main page is attached to the event

            if (this.HelpButtonUpdated != null)

                this.HelpButtonUpdated(new object(), new EventArgs());

        }

Main Window

  header.HelpButtonUpdated += new EventHandler(MyEventHandlerFunction_HelpButtonUpdated);

public void MyEventHandlerFunction_HelpButtonUpdated(object sender, EventArgs e)

        {

            PopupHelp.IsOpen = true;

            Opacity = 0.5;          

        }

Auto Timer setup c# WPF

DispatcherTimer AutoSaveTimer; // Auto saver data to file

        TimeSpan auto_save_increment = new TimeSpan(0, 0, 10);  // time in between saves.

       

           //  AutoSaveTimer setup

            AutoSaveTimer = new System.Windows.Threading.DispatcherTimer();

            AutoSaveTimer.Tick += new EventHandler(AutoSaverTimer_Tick);

            AutoSaveTimer.Interval = auto_save_increment;

            AutoSaveTimer.Start();

        

        // Method to perform autosave work

        private void AutoSaverTimer_Tick(object sender, EventArgs e)

        {

          

        }

Altering the Keyboard functionality WPF

    <Window.Resources>

         <!--UI commands.-->

        <RoutedUICommand x:Key="Commands.ZoomOut" />

        <RoutedUICommand x:Key="Commands.ZoomIn" />

    </Window.Resources>

    <Window.InputBindings>       

        <!--Bind keys to commands.-->       

        <KeyBinding

                                                Key="Minus"

                                                Command="{StaticResource Commands.ZoomOut}"

                                                />

        <KeyBinding

                                                Key="Plus"

                                                Command="{StaticResource Commands.ZoomIn}"

                                                />

        <KeyBinding

                                                Key="Space"

                                                Command="{StaticResource Commands.ZoomIn}"

                                                />

     

    </Window.InputBindings>

    <Window.CommandBindings>

       

        <!--Bind commands to event handlers.-->

       

        <CommandBinding

            Command="{StaticResource Commands.ZoomOut}"

            Executed="ZoomOut_Executed"

            />

        <CommandBinding

            Command="{StaticResource Commands.ZoomIn}"

            Executed="ZoomIn_Executed"

            />

    </Window.CommandBindings>

Cerate Responsive Map on Web

<style>
            .google-maps {
                position: relative;
                padding-bottom: 35%;
                height: 0;
                overflow: hidden;
            }

                .google-maps iframe {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100% !important;
                    height: 90% !important;
                }
        </style>

        <div class="google-maps">

            <iframe src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d3163.234829846082!2d-12.9254090000003!3d37.54953079999999!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x808fc09a8c2e3fdb%3A0x9b2d61bcc663088f!2s!5e0!3m2!1sen!2sus!4v1439237247915" width="600" height="450" frameborder="0" style="border: 0" allowfullscreen></iframe>



        </div>

show address in map in your website

http://www.map-embed.com/

Lpad in sql server

RIGHT(REPLICATE('*', 3) +  right(title,3), 6)