namespace SignInControl {

public partial class SignInControl : UserControl {

    private ImageList animationImages = null;

    private AnimationMode animationMode = AnimationMode.None;

    private int animationCounter = 0;

    public SignInControl(){

        InitializeComponent();

     }

    public string UserName {

        get { return textBox1.Text;  }

        set { textBox1.Text = value;  }

     }

    public string Password {

        get { return textBox2.Text;  }

        set { textBox2.Text = value;  }

     }

    public ImageList AnimationImages {

        get { return animationImages;  }

        set { animationImages = value;  }

     }

    public AnimationMode AnimationMode {

        get { return animationMode;  }

        set { animationMode = value; UpdateAnimation(); }

     }

    private void UpdateAnimation() {

        switch (animationMode) {

            case AnimationMode.None:

                animationTimer.Enabled = false;

              break;

            case AnimationMode.On:

              animationCounter = 0;

              animationTimer.Enabled = true;

              break;

     }

     pictureBox1.Image = null;

  }

private void animationTimer_Tick(object sender, EventArgs e) {

   Image img = null;

   if (animationImages != null 

     && animationImages.Images.Count > 0) {

     if (animationCounter

        >= animationImages.Images.Count)

        animationCounter = 0;

     img = animationImages.Images[animationCounter];

     animationCounter++;

     }

   pictureBox1.Image = img;

  }

}

}

Listing 2

<Classes xmlns="http://schemas.microsoft.com/VisualStudio/
   2004/03/SmartDevices/XMTA.xsd">

  <Class Name="SignInControl.SignInControl">

      <Property Name="Password">

          <Category>Data</Category>

          <Description>Password user enterred.</Description>

      </Property>

      <Property Name="UserName">

          <Category>Data</Category>

          <Description>User name enterred.</Description>

      </Property>

      <Property Name="AnimationMode">

          <Category>Appearance</Category>

          <Description>Whether animation is on or off.
            </Description>

      </Property>

      <Property Name="AnimationImages">

          <Category>Appearance</Category>

          <Description>Images used in animation.</Description>

      </Property>

  </Class>

</Classes>

Listing 3

      PasswordInputMode inputMode = PasswordInputMode.Regular;

public PasswordInputMode PasswordInputMode {

    get { return inputMode;  }

    set { inputMode = value;  }

}

private void textBox2_GotFocus(object sender, EventArgs e) {

    IntPtr hWnd = GetFocus();

    if (PasswordInputMode == PasswordInputMode.NumberOnly) 

        SendMessage(hWnd, EM_SETINPUTMODE, 0, EIM_NUMBERS);

else

        SendMessage(hWnd, EM_SETINPUTMODE, 0, EIM_TEXT);

}

private const uint EM_SETINPUTMODE = 0xDE;

private const uint EIM_NUMBERS = 2;

private const uint EIM_TEXT = 3;

[DllImport("coredll.dll")]

public static extern IntPtr GetFocus();

[DllImport("coredll.dll")]

public static extern int SendMessage(IntPtr hWnd, 
    uint Message, uint wParam, uint lParam);

• Source Code (zip file)