BeforeEventHandler Delegate

Kentico 10 API Reference

Namespaces

CMS.Base Namespaces

CMS.Base.Web.UI

AbstractDateTimePicker Class

AbstractRatingControl Class

AbstractRatingControl.OnRatingEventHandler Delegate

AbstractUserControl Class

ActionContainer Class

AlertLabel Class

AudioVideoParameters Class

AutomationManagerEventArgs Class

AvailableGroupsEnum Enumeration

AvailableLibrariesEnum Enumeration

AvailableSitesEnum Enumeration

BaseControlsContext Class

BaseMacroMethods Class

BaseSelectorViewModel Class

BBEditor Class

BeforeEventHandler Delegate

BeforeRenderEventHandler Delegate

ButtonStyle Enumeration

CMSAccessibleButton Class

CMSAccessibleLinkButton Class

CMSButton Class

CMSButtonAction Class

CMSButtonActionClickedEventArgs Class

CMSButtonGroup Class

CMSButtonGroupAction Class

CMSContextMenuControl Class

CMSCssSettings Class

CMSCustomCalendarControl Class

CMSDialogHelper Class

CMSDocumentPanel Class

CMSDropDownList Class

CMSDynamicWebControl Class

CMSFileUpload Class

CMSGridActionButton Class

CMSCheckBox Class

CMSCheckBoxList Class

CMSMoreOptionsButton Class

CMSMultiButtonBase Class

CMSMultiButtonDropDownItemsAlignment Enumeration

CMSPanel Class

CMSPlaceHolder Class

CMSRadioButton Class

CMSRadioButtonList Class

CMSRangeValidator Class

CMSRegularExpressionValidator Class

CMSRequiredFieldValidator Class

CMSSelectableToggleButton Class

CMSTextArea Class

CMSTextBox Class

CMSToggleButton Class

CMSUpdatePanel Class

CMSUpdateProgress Class

CMSWebControl Class

CMSWizard Class

ContextMenu Class

ContextMenuButton Class

ContextMenuContainer Class

ContextMenuItem Class

ContextMenuPlaceHolder Class

ContextMenuSeparator Class

ControlContext Class

ControlDefinition Class

ControlExtender Class

ControlExtender(TControl) Class

ControlsExtensions Class

ControlsHelper Class

ControlsLocalization Class

CssRegistration Class

DateTimePicker Class

DialogConfiguration Class

DialogHandlers Class

DialogParameters Class

DialogViewModeEnum Enumeration

DiscussionButtons Class

DocumentComponentEvents Class

DocumentManagerEventArgs Class

EditorModeEnum Enumeration

EnumDisplayTypeEnum Enumeration

ExceptionReport Class

ExtendedDropDownList Class

ExtendedListBox Class

ExtendedTextArea Class

FileSystemDialogConfiguration Class

FlashParameters Class

FontIconSizeEnum Enumeration

FormModeEnum Enumeration

GetMediaDataEventArgs Class

GetMediaDataHandler Class

GridIconStyle Enumeration

GroupMenuContainer Class

HeaderActionControlCreatedEventArgs Class

HeaderActionControlCreatedHandler Class

HeaderActions Class

HorizontalPositionEnum Enumeration

HTMLTextDiffList Class

ICMSDocumentManager Interface

ICMSObjectManager Interface

ICMSPage Interface

IconParameters Class

IControlContextManager Interface

IDataControl Interface

IDialogControl Interface

IEnsureControls Interface

IExceptionHandler Interface

IExtensibleEditMenu Interface

IInputControl Interface

ImageParameters Class

InlineEditingTextBox Class

InlineUserControl Class

IObjectEditMenu Interface

IObjectEditPanel Interface

ISelectorController(TViewModel) Interface

IShortID Interface

IStopProcessing Interface

IUploaderControl Interface

JQueryTab Class

JQueryTabCollection Class

JQueryTabContainer Class

jQueryTabsPositionEnum Enumeration

LanguageCode Class

LanguageEnum Enumeration

LayoutPanel Class

LinkItemTemplate Class

ListControlExtensions Class

LocalizedButton Class

LocalizedDropDownList Class

LocalizedHeading Class

LocalizedHidden Class

LocalizedHyperlink Class

LocalizedCheckBox Class

LocalizedCheckBoxList Class

LocalizedLabel Class

LocalizedLinkButton Class

LocalizedLiteral Class

LocalizedRadioButton Class

LocalizedRadioButtonList Class

ManagerEventArgs Class

MediaHelper Class

MediaItem Class

MediaSource Class

MediaSourceEnum Enumeration

MediaTypeEnum Enumeration

MessagesPlaceHolder Class

MessageTypeEnum Enumeration

ModalPopupDialog Class

ModuleCssRegistration Class

MouseButtonEnum Enumeration

NavigationItem Class

OutputFormatEnum Enumeration

PageContext Class

PageElement Class

PageExtender Class

PageExtender(TPage) Class

PageExtensions Class

Property Class

RangeDateTimePicker Class

RenderEventHandler Delegate

ResolvedLiteral Class

SelectableContentEnum Enumeration

SelectablePageTypeEnum Enumeration

SimpleDocumentManagerEventArgs Class

SimpleManagerEventArgs Class

SimpleObjectManagerEventArgs Class

SmartTipController Class

StepEventArgs Class

Tag Class

TemporaryUploadsCleaner Class

UploaderHelper.AttachmentArgsStruct Structure

UploaderHelper.FileArgsStruct Structure

UploaderHelper.ForumArgsStruct Structure

UploaderHelper.MediaLibraryArgsStruct Structure

UploaderHelper.MetaFileArgsStruct Structure

UploadHelper Class

UrlResolver Class

UserMenuContainer Class

UserSmartTipDismissalManager Class

VerticalPositionEnum Enumeration

YouTubeVideoParameters Class

BeforeEventHandler Delegate

Before event handler.

Namespace: CMS.Base.Web.UI
Assembly: CMS.Base.Web.UI (in CMS.Base.Web.UI.dll) Version: 10.0.0

Syntax

Copy

public delegate bool BeforeEventHandler(
	Object sender,
	EventArgs e
)

Parameters

sender: Type: SystemObject
Sender
e: Type: SystemEventArgs
Event arguments

Return Value

Type: Boolean
Returns true if default action should be performed

Reference

CMS.Base.Web.UI Namespace