BeforeEventHandler Delegate

Kentico 8.2 API Reference

Namespaces

CMS.UIControls

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AllLog Class

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AttributesHelper Class

BannerCategorySelector Class

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BaseFieldEditor Class

BaseSchedulingControl Class

BeforeEventHandler Delegate

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CacheLog Class

CaptchaImage Class

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CategoryListPanel Class

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CloneSettingsControl Class

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CMSAdminControl.CheckPermissionsEventHandler Delegate

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CMSAdminEditControl Class

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CMSImportExportPage Class

CMSIntegrationPage Class

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CMSMacroRulesPage Class

CMSMasterPage Class

CMSMediaLibraryModalPage Class

CMSMediaLibraryPage Class

CMSMembershipPage Class

CMSMessageBoardBoardsPage Class

CMSMessageBoardMessagesPage Class

CMSMessageBoardPage Class

CMSModalDesignPage Class

CMSModalGlobalAdminPage Class

CMSModalPage Class

CMSMVTestPage Class

CMSNewsletterPage Class

CMSNotificationsPage Class

CMSObjectVersioningPage Class

CMSOnlineMarketingContentPage Class

CMSOnlineMarketingPage Class

CMSPage Class

CMSPollsPage Class

CMSPreviewControl Class

CMSProjectManagementConfigurationPage Class

CMSProjectManagementPage Class

CMSProjectManagementProjectsPage Class

CMSProjectManagementTasksPage Class

CMSPropertiesPage Class

CMSReportingModalPage Class

CMSReportingPage Class

CMSRolesPage Class

CMSScheduledTasksPage Class

CMSSMTPServersPage Class

CMSStagingPage Class

CMSToolsModalPage Class

CMSToolsPage Class

CMSToolsPageGlobalPermissions Class

CMSTranslationServiceModalPage Class

CMSTranslationServicePage Class

CMSTranslationsPage Class

CMSUIPage Class

CMSUIPersonalizationPage Class

CMSUserControl Class

CMSUsersPage Class

CMSValidationPage Class

CMSVariantDialogPage Class

CMSWebAnalyticsPage Class

CMSWebPartPropertiesPage Class

CMSWidgetPropertiesLiveModalPage Class

CMSWidgetPropertiesLivePage Class

CMSWidgetPropertiesPage Class

CMSWorkflowPage Class

ContentActionsControl Class

ContentPage Class

ContentUrlRetriever Class

ControlDisplayModeEnum Enumeration

ControlsExamplesPage Class

CreateUrlDelegate Delegate

DashboardPage Class

DesignerPage Class

DevelopmentMode Class

DirectFileUploader Class

DocumentBase Class

DocumentFlagsControl Class

DocumentStylesheetSelector Class

DocumentUIHelper Class

DocumentValidator Class

EditedObjectAttribute Class

EmailTemplateTypeSelector Class

ErrorMessageControl Class

EventLogTypeSelector Class

ExportModuleControl Class

ExtendedBoundField Class

ExternalEditControl Class

ExternalEditHelper Class

FieldEditorEventArgs Class

FieldEditorModeEnum Enumeration

FieldEditorSelectedItemEnum Enumeration

FilesLog Class

FileTypeEnum Enumeration

FileUpload Class

FriendshipStatusSelector Class

FullForumSelector Class

FullMediaLibrarySelector Class

GenderSelector Class

GetFileHandler Class

GetFilePage Class

GlobalAdminPage Class

GridViewTemplate Class

GroupSelector Class

HandlersLog Class

HashValidationAttribute Class

HelpAttribute Class

HelpControl Class

CheckLicenceAttribute Class

ICMSAttribute Interface

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ICMSMasterPage Interface

ICMSModalMasterPage Interface

ICMSSecurityAttribute Interface

IDataUserControl Interface

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IExtensibleUniGrid Interface

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ImportExportBase Class

ImportExportControl Class

ImportExportGridTask Class

ImportExportGridView Class

IndexSelector Class

InformationAttribute Class

ItemProperties Class

IUIElementControl Interface

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IUploadHandler Interface

IUserFilter Interface

LicensePackageSelector Class

LicenseSelector Class

LinkedInCompanySelector Class

LinkMediaSelector Class

ListingTypeEnum Enumeration

LivePage Class

LoadModeEnum Enumeration

LogControl Class

MacroBoolExpression Class

MacroDesignerGroup Class

MacroDesignerTree Class

MacroLog Class

MacroTree Class

MassActionItem Class

MassActionScopeEnum Enumeration

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MediaView Class

MediaView.OnListReloadRequired Delegate

MessagePage Class

MfuAdditionalParameterEventArgs Class

MultifileUploaderModeEnum Enumeration

MultipleNotificationGatewaySelector Class

NewClassWizardModeEnum Enumeration

NewsletterSelectorSimple Class

NotificationTemplateSelector Class

ObjectCustomizationPanel Class

ObjectLockingPanel Class

ObjectTransformation Class

ObjectTransformationDataProvider Class

OnActionEventHandler Delegate

OnAfterDataReload Delegate

OnAfterRetrieveData Delegate

OnBeforeDataReload Delegate

OnBeforeFiltering Delegate

OnBeforeSorting Delegate

OnDataReloadEventHandler Delegate

OnExternalDataBoundEventHandler Delegate

OnFieldCreatedEventHandler Delegate

OnFieldNameChangedEventHandler Delegate

OnFilterFieldCreated Delegate

OnLoadColumns Delegate

OnPageSizeChanged Delegate

OutputLog Class

PageTitle Class

PaneDirectionEnum Enumeration

ParentObjectAttribute Class

PortalPage Class

QueryLog Class

RecaptchaControl Class

RecaptchaControlDesigner Class

RecaptchaControlDesigner.ActionList Class

RecaptchaResponse Class

RecaptchaValidator Class

RenderEventHandler Delegate

ReportGraphSelector Class

ReportSelector Class

ReportTableSelector Class

ReportValueSelector Class

RequestProcessLog Class

RequireSiteAttribute Class

ResourceHandler Class

SaveActionAttribute Class

ScriptAttribute Class

SecurityAttribute Class

SecurityLog Class

SelectBlogName Class

SelectBoardWithAll Class

SelectCulture Class

SelectHierarchicalTransformation Class

SelectionModeEnum Enumeration

SelectPageTemplateCategory Class

SelectReport Class

SelectReportCategory Class

SelectRoles Class

SelectSettingsCategory Class

SelectSinglePath Class

SelectSite Class

SelectSites Class

SelectSiteWithAllForAdmin Class

SelectUserName Class

SelectUsers Class

SelectWebpart Class

SelectWidgetCategory Class

SettingsGroup Class

SettingsGroupViewerControl Class

SilverlightApplication Class

SiteCultureSelectorAll Class

SiteManagerPage Class

SiteOrGlobalSelector Class

SqlEditControl Class

SqlEditModeEnum Enumeration

SupportedCultureSelector Class

TabAttribute Class

TabCreatedEventArgs Class

TabsAttribute Class

TemplateMasterPage Class

TemplatePage Class

TextBoxControl Class

TextCompareOperatorEnum Enumeration

TimeZoneTypeSelector Class

TitleAttribute Class

TranslationPriority Class

TranslationStatus Class

UIContextDataItemName Class

UICultureSelector Class

UIElementAttribute Class

UIElementLayout Class

UIElementTypeEnum Enumeration

UIMenu.NodeCreatedEventHandler Delegate

UIPager Class

UIPager.PageSizeOptionsData Structure

UIPageURLSettings Class

UIPlaceHolder Class

UIPlaceHolder.OnIsHiddenDelegate Delegate

UITabItem Class

UITabs Class

UITabs.CheckTabSecurityEventHandler Delegate

UITabs.TabCreatedEventHandler Delegate

UITabs.TabsLoadedEventHandler Delegate

UITabsExtender Class

UITabsExtender(TControl) Class

UIToolbar Class

UIToolbar.ButtonCreatedEventHandler Delegate

UIToolbar.ButtonFilterEventHandler Delegate

UIToolbar.GroupFilterEventHandler Delegate

UIToolbar.GroupsCreatedEventHandler Delegate

UniButton Class

UniFlatSelector Class

UniFlatSelector.ItemSearch Delegate

UniFlatSelector.ItemSelectedEventHandler Delegate

UniGraph Class

UniGraphToolbar Class

UniGrid Class

UniGridExportHelper Class

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UniGridFilterTypeEnum Enumeration

UniGridFunctions Class

UniGridTransformations Class

UniMatrix Class

UniMatrix.GetRowItemCssClassEventHandler Delegate

UniMatrix.ItemChangedEventHandler Delegate

UniMatrix.OnCheckPermissions Delegate

UniMatrix.OnMatrixDataLoaded Delegate

UniMenuArgs Class

UniSelector Class

UniSelector.AdditionalDataBoundEventHandler Delegate

UniSelector.ListItemCreated Delegate

UniTree Class

UniTree.ItemSelectedEventHandler Delegate

UniTree.NodeCreatedEventHandler Delegate

UniTreeGetImageHandler Class

UniTreeImageArgs Class

UniTreeNode Class

UniTreeProvider Class

UrlSelector Class

UserContributionAllowUserEnum Enumeration

ValuesTable Class

VersionHistoryControl Class

ViewBadgeImage Class

ViewBadgeText Class

ViewDate Class

ViewGroupAccess Class

ViewGroupAvatar Class

BeforeEventHandler Delegate

Before event handler.

Namespace: CMS.UIControls
Assembly: CMS.UIControls (in CMS.UIControls.dll) Version: 8.2.23

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.UIControls Namespace