동구의 블로그

    static class MacAddressProvider

    {

        const int PING_TIMEOUT = 1000;

        [DllImport("iphlpapi.dll", ExactSpelling = true)]

        static extern int SendARP(int DestIP, int SrcIP, byte[] pMacAddr, ref uint PhyAddrLen);

        // *********************************************************************

        /// <summary>

        /// Gets the MAC address from ARP table in colon (:) separated format.

        /// </summary>

        /// <param name="hostNameOrAddress">Host name or IP address of the

        /// remote host for which MAC address is desired.</param>

        /// <returns>A string containing MAC address; null if MAC address could

        /// not be found.</returns>

        public  static string GetMACAddressFromARP(string hostNameOrAddress)

        {

            if (!IsHostAccessible(hostNameOrAddress))

                return null;

            IPHostEntry hostEntry = Dns.GetHostEntry(hostNameOrAddress);

            if (hostEntry.AddressList.Length == 0)

                return null;   

            byte[] macAddr = new byte[6];

            uint macAddrLen = (uint)macAddr.Length;

            if (SendARP((int)hostEntry.AddressList[0].Address, 0, macAddr, ref macAddrLen) != 0)

                return null;

            StringBuilder macAddressString = new StringBuilder();

            for (int i = 0; i < macAddr.Length; i++)

            {

                if (macAddressString.Length > 0)

                    macAddressString.Append(":");

                macAddressString.AppendFormat("{0:x2}", macAddr[i]);

            }

            return macAddressString.ToString();

        }

        // *********************************************************************

        /// <summary>

        /// Checks to see if the host specified by

        /// <paramref name="hostNameOrAddress"/> is currently accessible.

        /// </summary>

        /// <param name="hostNameOrAddress">Host name or IP address of the

        /// remote host for which MAC address is desired.</param>

        /// <returns><see langword="true" /> if the host is currently accessible;

        /// <see langword="false"/> otherwise.</returns>

        private static bool IsHostAccessible(string hostNameOrAddress)

        {

            Ping ping = new Ping();

            PingReply reply = ping.Send(hostNameOrAddress, PING_TIMEOUT);

            return reply.Status == IPStatus.Success;

        }

    }

 const int WM_COPYDATA = 0x4A;

        public struct COPYDATASTRUCT

        {

            public IntPtr dwData;

            public int cbData;

            [MarshalAs(UnmanagedType.LPStr)]

            public string lpData;

        }

        protected override void WndProc(ref Message m)

        {

            try

            {

                switch (m.Msg)

                {

                    case WM_COPYDATA:

                        COPYDATASTRUCT cds = (COPYDATASTRUCT)m.GetLParam(typeof(COPYDATASTRUCT));

                        MessageBox.Show(cds.lpData);

                        break;

                    default:

                        base.WndProc(ref m);

                        break;

                }

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }

const int WM_COPYDATA = 0x4A;

        [DllImport("user32.dll", CharSet = CharSet.Auto)]

        public static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, uint wParam, ref COPYDATASTRUCT lParam);

        public struct COPYDATASTRUCT

        {

            public IntPtr dwData;

            public int cbData;

            [MarshalAs(UnmanagedType.LPStr)]

            public string lpData;

        }

        private void OnButtonSendClick(object sender, EventArgs e)

        {

            string msg = this.tbMsg.Text.Trim();

            if (string.IsNullOrEmpty(msg))

            {

                MessageBox.Show("메세지를 입력해주세요");

                return;

            }

           Process []pro  =  Process.GetProcessesByName("HowToPostMessage");

           if(pro.Length > 0)

            {

                byte[] buff = System.Text.Encoding.Default.GetBytes(msg);

                COPYDATASTRUCT cds = new COPYDATASTRUCT();

                cds.dwData = IntPtr.Zero;

                cds.cbData = buff.Length+1;

                cds.lpData = msg;

                SendMessage(pro[0].MainWindowHandle, WM_COPYDATA, 0, ref cds);

            }

        }

 <

&lt;

 >

 &gt;

 &

 &amp;

  <TextBlock Text="&gt;"/> 

<Style x:Key="BaseImageButtonStyle" TargetType="{x:Type Button}">

  …

<Style/>

 ...........

<Style x:Key="ExtendsImageButtonStyle" TargetType="{x:Type Button}" BasedOn="{StaticResource BaseImageButtonStyle }">

  …

<Style/> 

private const int GWL_EXSTYLE = -20;

        private const int WS_EX_NOACTIVATE = 0x08000000;

        [DllImport("user32.dll")]

        public static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);

        [DllImport("user32.dll")]

        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);

        protected override void OnSourceInitialized(EventArgs e)

        {

            base.OnSourceInitialized(e);

            WindowInteropHelper helper = new WindowInteropHelper(this);

            IntPtr ip = SetWindowLong(helper.Handle, GWL_EXSTYLE,

                GetWindowLong(helper.Handle, GWL_EXSTYLE) | WS_EX_NOACTIVATE);

        } 

        [DllImport("user32.dll")]

        static extern IntPtr SetClipboardViewer(IntPtr hWndNewViewer);

        private const int WM_DRAWCLIPBOARD = 0x308;

        private const int WM_CHANGECBCHAIN = 0x30D;

        void OnLoaded(object sender, RoutedEventArgs e)

        {           

            HwndSource source = HwndSource.FromHwnd(new WindowInteropHelper(this).Handle);

            source.AddHook(new HwndSourceHook(WndProc));

            IntPtr mNextClipBoardViewerHWnd = SetClipboardViewer(new System.Windows.Interop.WindowInteropHelper(this).Handle);

        }

       xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"

       xmlns:cmd="clr-namespace:GalaSoft.MvvmLight.Command;assembly=GalaSoft.MvvmLight.Extras.WPF4" 

   <i:Interaction.Triggers>

        <i:EventTrigger EventName="Loaded">

            <i:InvokeCommandAction Command="{Binding CmdLoaded, Mode=OneWay}" CommandParameter="Loaded!"/>

        </i:EventTrigger>

        <i:EventTrigger EventName="MouseDown">

            <cmd:EventToCommand Command="{Binding CmdMouseDown, Mode=OneWay}" MustToggleIsEnabledValue="True"  PassEventArgsToCommand="True"/>

        </i:EventTrigger>

    </i:Interaction.Triggers>

       private RelayCommand<string> _cmdLoaded;

        public RelayCommand<string> CmdLoaded

        {

            get

            {

                if (_cmdLoaded == null)

                    _cmdLoaded = new RelayCommand<string>(a =>

                        MessageBox.Show(a));

                return _cmdLoaded;

            }

        }

        private RelayCommand<MouseButtonEventArgs> _cmdMouseDown;

        public RelayCommand<MouseButtonEventArgs> CmdMouseDown

        {

            get

            {

                if (_cmdMouseDown == null)

                    _cmdMouseDown = new RelayCommand<MouseButtonEventArgs>(a =>

                        MessageBox.Show(a.MouseDevice.GetPosition(a.OriginalSource as IInputElement).ToString()));

                return _cmdMouseDown;

            }

        }

 LayoutTransform

 RenderTransform

 TranslateTransform 

 2차원 x-y 좌표계에서 개체를 변환(이동)합니다.

 RotateTransform

 2차원 x-y 좌표계에서 지정한 점을 기준으로 개체를 시계 방향으로 회전합니다.

 ScaleTransform

 개체의 크기를 조정에서 2차원 x-y 좌표계입니다.

 SkewTransform 

 개체에 적용되는 2차원 기울이기를 나타냅니다.

 MatrixTransform

<Window x:Class="AboutRenderTransform.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="673">

    <Grid>

        <Grid.ColumnDefinitions>

            <ColumnDefinition Width="254*" />

            <ColumnDefinition Width="400" />

        </Grid.ColumnDefinitions>

        <Canvas>

            <Button FontSize="20" Content="버튼" x:Name="btnTest" Canvas.Left="103" Canvas.Top="134">

            <Button.RenderTransform>

                <TransformGroup>

                    <TranslateTransform x:Name="translateBtn"/>

                    <RotateTransform x:Name="rotateBtn"/>

                    <ScaleTransform x:Name="scaleBtn"/>

                    <SkewTransform x:Name="skewBtn"/>

                </TransformGroup>

            </Button.RenderTransform>

        </Button>

        </Canvas>

        <Grid Grid.Column="1" Margin="2,0,0,0" ShowGridLines="True" >

            <Grid.RowDefinitions>

                <RowDefinition Height="61*" />

                <RowDefinition Height="61*" />

                <RowDefinition Height="60*" />

                <RowDefinition Height="129*" />

            </Grid.RowDefinitions>

            <Grid.ColumnDefinitions>

                <ColumnDefinition Width="141" />

                <ColumnDefinition Width="165*" />

            </Grid.ColumnDefinitions>

            <Label Content="TranslateTransform" HorizontalAlignment="Center"  VerticalAlignment="Center" HorizontalContentAlignment="Center" Height="59" Width="141" VerticalContentAlignment="Center" />

            <Label Content="X : " Grid.Column="1" Height="28" HorizontalAlignment="Left" Margin="19,17,0,0" VerticalAlignment="Top" />

            <Label Content="Y : " Grid.Column="1" Height="28" HorizontalAlignment="Left" Margin="79,17,0,0" VerticalAlignment="Top" />

            <TextBox Text="{Binding ElementName=translateBtn, Path=X}" Grid.Column="1" Height="23" HorizontalAlignment="Left" Margin="46,19,0,0" Name="textBox1" VerticalAlignment="Top" Width="28" AcceptsTab="False" AcceptsReturn="False" VerticalScrollBarVisibility="Disabled" />

            <TextBox Text="{Binding ElementName=translateBtn, Path=Y}" Height="23" HorizontalAlignment="Left" Margin="105,19,0,0" VerticalAlignment="Top" Width="28" Grid.Column="1" />

            <Label Content="RotateTransform" Height="59" HorizontalAlignment="Center" HorizontalContentAlignment="Center" VerticalAlignment="Center" VerticalContentAlignment="Center" Width="141" Grid.Row="1" />

            <Label Content="RenderTransformOrigin" Grid.Row="1" Height="27" HorizontalAlignment="Left" VerticalAlignment="Top" Grid.Column="1" Width="145" Margin="0,1,0,0" />

            <Label Content="X : " Height="28" HorizontalAlignment="Left" Margin="133,1,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="1" />

            <Label Content="Y : " Height="28" HorizontalAlignment="Left" Margin="188,1,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="1" />

            <TextBox Text="{Binding ElementName=rotateBtn, Path=CenterX}" Height="23" HorizontalAlignment="Left" Margin="156,3,0,0" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="1" />

            <TextBox Text="{Binding ElementName=rotateBtn, Path=CenterY}" Height="23" HorizontalAlignment="Left" Margin="212,3,0,0" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="1" />

            <Label Content="Angle :" Height="27" HorizontalAlignment="Left" Margin="1,31,0,0" VerticalAlignment="Top" Width="48" Grid.Column="1" Grid.Row="1" />

            <TextBox Text="{Binding ElementName=rotateBtn, Path=Angle}" Height="23" HorizontalAlignment="Right" Margin="0,34,174,0" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="1" />

            <Label Content="ScaleTransform" Height="59" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Margin="0,60,0,1" VerticalAlignment="Center" VerticalContentAlignment="Center" Width="141" Grid.Row="1" Grid.RowSpan="2" />

            <Label Content="ScaleX : " Height="28" HorizontalAlignment="Left" Margin="1,1,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="2" />

            <Label Content="ScaleY : " Height="28" HorizontalAlignment="Left" Margin="1,32,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="2" />

            <TextBox Text="{Binding ElementName=scaleBtn, Path=ScaleX}" Height="23" HorizontalAlignment="Left" Margin="52,2,0,0" Name="textBox6" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="2" />

            <TextBox Text="{Binding ElementName=scaleBtn, Path=ScaleY}" Height="23" HorizontalAlignment="Left" Margin="52,33,0,0" Name="textBox7" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="2" />

            <Label Content="SkewTransform" Height="59" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Margin="0,0,0,70" VerticalAlignment="Center" VerticalContentAlignment="Center" Width="141" Grid.Row="3" />

            <Label Content="RenderTransformOrigin" Height="27" HorizontalAlignment="Left" Margin="1,0,0,0" VerticalAlignment="Top" Width="145" Grid.Column="1" Grid.Row="3" />

            <Label Content="X : " Grid.Column="1" Height="28" HorizontalAlignment="Left" Margin="134,0,0,0" VerticalAlignment="Top" Grid.Row="3" />

            <Label Content="Y : " Grid.Column="1" Height="28" HorizontalAlignment="Left" Margin="189,0,0,0" VerticalAlignment="Top" Grid.Row="3" />

            <TextBox Text="{Binding ElementName=skewBtn, Path=CenterX}" Grid.Column="1" Height="23" HorizontalAlignment="Left" Margin="157,2,0,0" Name="textBox8" VerticalAlignment="Top" Width="28" Grid.Row="3" />

            <TextBox Text="{Binding ElementName=skewBtn, Path=CenterY}" Grid.Column="1" Height="23" HorizontalAlignment="Left" Margin="213,2,0,0" Name="textBox9" VerticalAlignment="Top" Width="28" Grid.Row="3" />

            <Label Content="AngleX : " Height="28" HorizontalAlignment="Left" Margin="1,29,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="3" />

            <Label Content="AngleY : " Height="28" HorizontalAlignment="Left" Margin="1,60,0,0" VerticalAlignment="Top" Grid.Column="1" Grid.Row="3" />

            <TextBox Text="{Binding ElementName=skewBtn, Path=AngleX}" Height="23" HorizontalAlignment="Left" Margin="52,30,0,0" Name="textBox10" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="3" />

            <TextBox Text="{Binding ElementName=skewBtn, Path=AngleY}" Height="23" HorizontalAlignment="Left" Margin="52,61,0,0" Name="textBox11" VerticalAlignment="Top" Width="28" Grid.Column="1" Grid.Row="3" />

        </Grid>

    </Grid>

</Window>