New to Telerik UI for ASP.NET AJAX? Start a free 30-day trial

Definition

Namespace:Telerik.Web.UI

Assembly:Telerik.Web.UI.dll

Syntax:

C#
[ClientScriptResource("Telerik.Web.UI.RadCaptcha", "Telerik.Web.UI.Captcha.RadCaptcha.js")]
[TelerikToolboxCategory("Miscellaneous")]
public class RadCaptcha : RadWebControl, IScriptControl, IControlResolver, ISkinnableControl, IControl, IValidator, INamingContainer, IPostBackDataHandler

Inheritance: objectRadWebControlRadCaptcha

Implements: IControlIControlResolverINamingContainerIPostBackDataHandlerIScriptControlISkinnableControlIValidator...

Inherited Members RadWebControl.ResolveRenderMode()RadWebControl.CanRenderInMode(RenderModeBrowserAdaptor, RenderMode)RadWebControl.PreferredRenderMode(RenderModeBrowserAdaptor)RadWebControl.GetSkinSuffix()RadWebControl.AddAttributesToRender(HtmlTextWriter)RadWebControl.OnPreRender(EventArgs)RadWebControl.RenderSmartPasteDescriptionAttribute()RadWebControl.ConfigureCombinedScriptFile()RadWebControl.ConfigureCombinedBaseSkinFile()RadWebControl.RegisterScriptControl()RadWebControl.RegisterCssReferences()RadWebControl.LoadClientState(Dictionary<string, object>)RadWebControl.SaveClientState()RadWebControl.RenderClientStateField(HtmlTextWriter)RadWebControl.RenderBeginTag(HtmlTextWriter)RadWebControl.RenderEndTag(HtmlTextWriter)RadWebControl.RenderScriptsNoScriptManager(HtmlTextWriter)RadWebControl.RenderDescriptorsNoScriptManager(HtmlTextWriter)RadWebControl.RegisterScriptDescriptors()RadWebControl.RenderContents(HtmlTextWriter)RadWebControl.ApplyConditionalRendering(HtmlTextWriter)RadWebControl.RenderClassic(HtmlTextWriter)RadWebControl.RenderLite(HtmlTextWriter)RadWebControl.RenderNative(HtmlTextWriter)RadWebControl.InitializeRenderMode()RadWebControl.DescribeRenderMode(IScriptDescriptor)RadWebControl.DescribeProperty<T>(IScriptDescriptor, string, T, T)RadWebControl.DescribeIDReferenceProperty(IScriptDescriptor, string, string)RadWebControl.DescribeEvent(IScriptDescriptor, string, string)RadWebControl.GetEmbeddedSkinNames()RadWebControl.CreateControlRenderer()RadWebControl.GetScriptDescriptors()RadWebControl.GetScriptReferences()RadWebControl.GetViewScriptReference()RadWebControl.GetViewStateValue<T>(string, T)RadWebControl.RegisterWithScriptManagerRadWebControl.SkinRadWebControl.EnableRippleEffectRadWebControl.EnableEmbeddedScriptsRadWebControl.RuntimeSkinRadWebControl.EnableAjaxSkinRenderingRadWebControl.RenderModeRadWebControl.ResolvedRenderModeRadWebControl.SupportsAdaptiveRenderingRadWebControl.SupportsNativeRenderingRadWebControl.SupportsLightweightRenderingRadWebControl.SupportsRenderingModeRadWebControl.IsRenderModeSetRadWebControl.RenderingCompatibilityRadWebControl.ClientIDModeRadWebControl.ScriptManagerRadWebControl.RadScriptManagerRadWebControl.RadStyleSheetManagerRadWebControl.RendererRadWebControl.BackColorRadWebControl.BorderColorRadWebControl.BorderStyleRadWebControl.BorderWidthRadWebControl.CssClassRadWebControl.EnableThemingRadWebControl.FontRadWebControl.HeightRadWebControl.SkinIDRadWebControl.VisibleRadWebControl.WidthRadWebControl.ToolTip...

Constructors

C#
public RadCaptcha()

Fields

C#
protected Panel spamProtectorPanel

Properties

C#
public override string AccessKey { get; set; }

Overrides: RadWebControl.AccessKey

C#
public string AudioAccessKey { get; set; }
C#
public string CaptchaAudioLinkButtonText { get; set; }
C#
public CaptchaImage CaptchaImage { get; }
C#
public string CaptchaLinkButtonText { get; set; }
C#
public int CaptchaMaxTimeout { get; set; }
C#
[Obsolete("This property is obsolete. Please use the new composite TextBoxDecoration property.")]
public string CaptchaTextBoxCssClass { get; set; }
C#
public string CaptchaTextBoxLabel { get; set; }
C#
[Obsolete("This property is obsolete. Please use the new composite TextBoxLabelDecoration property.")]
public string CaptchaTextBoxLabelCssClass { get; set; }
C#
[Obsolete("This property is obsolete. Please use the new composite TextBoxDecoration property.")]
public string CaptchaTextBoxTitle { get; set; }
C#
protected override string CssClassFormatString { get; }

Overrides: RadWebControl.CssClassFormatString

Display

ValidatorDisplay

C#
public ValidatorDisplay Display { get; set; }
C#
public string DownloadAudioText { get; set; }
C#
public bool Enabled { get; set; }
C#
[ClientControlProperty]
[ClientPropertyName("_enableDownloadAudio")]
public bool EnableDownloadAudio { get; set; }
C#
[Browsable(false)]
public override bool EnableEmbeddedBaseStylesheet { get; }

Overrides: RadWebControl.EnableEmbeddedBaseStylesheet

C#
[Browsable(false)]
public override bool EnableEmbeddedSkins { get; }

Overrides: RadWebControl.EnableEmbeddedSkins

C#
[ClientControlProperty]
[ClientPropertyName("_enableMissingPluginNotification")]
public bool EnableMissingPluginNotification { get; set; }
C#
public bool EnableRefreshImage { get; set; }
C#
[Bindable(true)]
public string ErrorMessage { get; set; }
C#
public override Color ForeColor { get; set; }

Overrides: RadWebControl.ForeColor

C#
public string HttpHandlerUrl { get; set; }
C#
public bool IgnoreCase { get; set; }
C#
public CaptchaImageStorage ImageStorageLocation { get; set; }
C#
public string InvisibleTextBoxLabel { get; set; }
C#
public bool IsValid { get; set; }
C#
public int MinTimeout { get; set; }
C#
public string MissingPluginText { get; set; }
C#
[ClientControlEvent]
[ClientPropertyName("load")]
public string OnClientLoad { get; set; }
C#
public RadCaptcha.ProtectionStrategies ProtectionMode { get; set; }
C#
public string RefreshImageAccessKey { get; set; }
C#
public override short TabIndex { get; set; }

Overrides: RadWebControl.TabIndex

TagKey

HtmlTextWriterTag

C#
protected override HtmlTextWriterTag TagKey { get; }
C#
public WebControlDecorator TextBoxDecoration { get; }
C#
public WebControlDecorator TextBoxLabelDecoration { get; }
C#
[Browsable(false)]
public TextBox ValidatedTextBox { get; }
C#
public string ValidatedTextBoxID { get; set; }
C#
public ITextControl ValidatedTextControl { get; }
C#
public string ValidationGroup { get; set; }

Methods

C#
protected override void ControlPreRender()

Overrides: RadWebControl.ControlPreRender()

C#
protected override void CreateChildControls()
C#
protected override void DescribeClientEvents(IScriptDescriptor descriptor)
Parameters:descriptorIScriptDescriptor

Overrides: RadWebControl.DescribeClientEvents(IScriptDescriptor)

C#
protected override void DescribeClientProperties(IScriptDescriptor descriptor)
Parameters:descriptorIScriptDescriptor

Overrides: RadWebControl.DescribeClientProperties(IScriptDescriptor)

C#
protected override void DescribeComponent(IScriptDescriptor descriptor)
Parameters:descriptorIScriptDescriptor

Overrides: RadWebControl.DescribeComponent(IScriptDescriptor)

C#
protected virtual string GetValidationCssClass(bool isValid = true)
Parameters:isValidboolReturns:

string

C#
protected override void LoadControlState(object state)
Parameters:stateobject
C#
protected override bool LoadPostData(string postDataKey, NameValueCollection postCollection)
Parameters:postDataKeystringpostCollectionNameValueCollectionReturns:

bool

Overrides: RadWebControl.LoadPostData(string, NameValueCollection)

C#
protected override void LoadViewState(object state)
Parameters:stateobject
C#
protected virtual void OnCaptchaValidate(CaptchaValidateEventArgs e)
Parameters:eCaptchaValidateEventArgs
C#
protected override void OnInit(EventArgs e)
Parameters:eEventArgs

Overrides: RadWebControl.OnInit(EventArgs)

C#
protected override void RaisePostDataChangedEvent()

Overrides: RadWebControl.RaisePostDataChangedEvent()

C#
protected override void Render(HtmlTextWriter writer)
Parameters:writerHtmlTextWriter

Overrides: RadWebControl.Render(HtmlTextWriter)

C#
protected override object SaveControlState()
Returns:

object

C#
protected override object SaveViewState()
Returns:

object

C#
protected override void TrackViewState()
C#
public void Validate()

Events

C#
public event RadCaptchaEventHandler CaptchaValidate