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CaptchaGenerator Class

A Captcha generator for applications.

Definition

Namespace: DevCase.Core.Media.Graphics
Assembly: DevCase.net48 (in DevCase.net48.dll) Version: 6.0.0.0 (6.0)
XMLNS for XAML: Not mapped to an xmlns.

C#Request Example

public class CaptchaGenerator

VBRequest Example

Public Class CaptchaGenerator

Dim instance As CaptchaGenerator

C++Request Example

public ref class CaptchaGenerator

F#Request Example

type CaptchaGenerator = class end

ASP.NETRequest Example

No code example is currently available or this language may not be supported.

Inheritance: Object CaptchaGenerator

Example

This is a code example.

C#

No code example is currently available or this language may not be supported.

VB

Dim rng As New Random

Dim captchaGen As New CaptchaGenerator
With captchaGen

    .Size = Me.PictureBox1.Size

    .TextLength = 5
    .TextColor = Color.White
    .TextAlignmentEnabled = True

    .Fonts = {SystemFonts.DefaultFont.FontFamily}
    .FontStyle = FontStyle.Bold

    .BackgroundColor1 = Color.FromKnownColor(DirectCast(rng.Next([Enum].GetValues(GetType(KnownColor)).Length), KnownColor))
    .BackgroundColor2 = Color.FromKnownColor(DirectCast(rng.Next([Enum].GetValues(GetType(KnownColor)).Length), KnownColor))

    .GridEnabled = True
    .GridColor = Color.DimGray

    .GridWidth = 1.0F
    .GridSpacing = 3

    .CurveEnabled = True
    .CurveColor = Color.Black
    .CurveWidth = 2.5F
    .CurveTension = 8.0F

End With

Dim captcha As Captcha = captchaGen.Generate
Me.PictureBox1.BackgroundImage = captcha.Image
' captcha.Dispose()

C++

No code example is currently available or this language may not be supported.

F#

No code example is currently available or this language may not be supported.

XAML

No code example is currently available or this language may not be supported.

ASP.NET

No code example is currently available or this language may not be supported.

Constructors

CaptchaGenerator

Initializes a new instance of the CaptchaGenerator class.

Properties

BackgroundColor1	Gets or sets the first background color.
BackgroundColor2	Gets or sets the second background color.
Characters	Gets or sets the character set to build the captcha text.
CurveColor	Gets or sets the color of the curve.
CurveEnabled	Gets or sets a value indicating whether curve drawing is enabled in the captcha image.
CurveTension	Gets or sets the curve tension.
CurveWidth	Gets or sets the width of the curve.
Fonts	Gets or sets the fonts to use in the captcha generation.
FontStyle	Gets or sets the font style of the captcha text.
GridColor	Gets or sets the color of the grid.
GridEnabled	Gets or sets a value indicating whether grid drawing is enabled in the captcha image.
GridSpacing	Gets or sets the grid spacing.
GridWidth	Gets or sets the width of the grid.
Size	Gets or sets the size of the captcha image.
TextAlignmentEnabled	Gets or sets a value indicating whether text alignment is enabled in the captcha image.
TextColor	Gets or sets the color of the captcha text.
TextLength	Gets or sets the length of the captcha text.

Methods

Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
Generate	Generates the Captcha.
GetHashCode	Serves as the default hash function. (Inherited from Object)
GetType	Gets the Type of the current instance. (Inherited from Object)
ToString	Returns a string that represents the current object. (Inherited from Object)

Extension Methods

CanConvertTo	Determines whether the source object can be converted to the specified target type. (Defined by ObjectExtensions)
CanConvertToT	Determines whether the source object can be converted to the specified target type. (Defined by ObjectExtensions)
ConvertToT	Converts an object to the specified target type. If the conversion fails, an exception is thrown. (Defined by ObjectExtensions)
ConvertToT	Converts an object to the specified target type. If the conversion fails, returns the specified default value. (Defined by ObjectExtensions)
IsDisposable	Determines whether the specified object is a disposable type (i.e., it implements IDisposable interface). (Defined by ObjectExtensions)
Speak	Speaks the string representation of the source object by using the operating system integrated text-to-speech synthesizer. (Defined by ObjectExtensions)
Speak	Speaks the string representation of the source object by using the operating system integrated text-to-speech synthesizer. (Defined by ObjectExtensions)
ThrowIfNullTException	Throws the specified exception if the source object is null. (Defined by ObjectExtensions)