BeforeEventHandler Delegate

Kentico 10 API Reference

Namespaces

CMS.UIControls Namespaces

CMS.UIControls

AbstractAttribute Class

AbstractCMSPage Class

AbstractElementAttribute Class

AbstractMasterPage Class

AbstractSecurityAttribute Class

AccessDeniedPage Class

ActionAttribute Class

AdvancedExport Class

AdvancedExport.Delimiter Enumeration

AfterItemDeletedEventHandler Delegate

AllLog Class

AnchorDropup Class

ApplicationCSSHelper Class

ApplicationUIHelper Class

AsyncControl Class

AttachmentsWithVariantsTransformationDataProvider Class

AttachmentWithVariants Class

AttributesHelper Class

BannerCategorySelector Class

BannerTypeSelector Class

BaseFieldEditor Class

BaseFormBuilder Class

BaseSchedulingControl Class

BeforeEventHandler Delegate

BeforeRenderEventHandler Delegate

BreadcrumbAttribute Class

BreadcrumbItem Class

Breadcrumbs Class

BreadcrumbsAttribute Class

CacheLog Class

CaptchaImage Class

CaptchaSelector Class

CategoryListPanel Class

CategoryPanel Class

CategoryPanelRow Class

CloneSettingsControl Class

CMSAbstractEditablePage Class

CMSAbstractNewDocumentControl Class

CMSAbstractUIWebpart Class

CMSAbuseReportPage Class

CMSAdminControl Class

CMSAdminControl.CheckPermissionsEventHandler Delegate

CMSAdminControl.CheckPermissionsExtendedEventHandler Delegate

CMSAdminControl.NotAllowedEventHandler Delegate

CMSAdminEditControl Class

CMSAdministrationPage Class

CMSAdminItemsControl Class

CMSAdminListControl Class

CMSBannedIPsPage Class

CMSBannerManagementEditPage Class

CMSBannerManagementPage Class

CMSContentManagementPage Class

CMSContentModalPage Class

CMSContentPage Class

CMSCustomTablesModalPage Class

CMSCustomTablesPage Class

CMSCustomTablesToolsPage Class

CMSDebugPage Class

CMSDesignPage Class

CMSDeskPage Class

CMSDeviceProfilesModalPage Class

CMSDeviceProfilesPage Class

CMSEditTemplatePage Class

CMSEmailTemplatesPage Class

CMSEventLogPage Class

CMSEventManagerPage Class

CMSImportExportPage Class

CMSIntegrationPage Class

CMSLiveMasterPage Class

CMSLiveModalPage Class

CMSMacroRulesPage Class

CMSMasterPage Class

CMSMembershipPage Class

CMSModalDesignPage Class

CMSModalGlobalAdminPage Class

CMSModalPage Class

CMSObjectVersioningPage Class

CMSPage Class

CMSPollsPage Class

CMSPreviewControl Class

CMSPropertiesPage Class

CMSRolesPage Class

CMSScheduledTasksPage Class

CMSSMTPServersPage Class

CMSUIPage Class

CMSUIPersonalizationPage Class

CMSUserControl Class

CMSUsersPage Class

CMSValidationPage Class

CMSWebPartPropertiesPage Class

CMSWidgetPropertiesLiveModalPage Class

CMSWidgetPropertiesLivePage Class

CMSWidgetPropertiesPage Class

ContentActionsControl Class

ContentInnerMediaView Class

ContentInnerMediaView.OnGetArgumentSet Delegate

ContentInnerMediaView.OnGetContentItemUrl Delegate

ContentInnerMediaView.OnGetInformation Delegate

ContentInnerMediaView.OnGetListItemUrl Delegate

ContentInnerMediaView.OnGetModifyPermission Delegate

ContentInnerMediaView.OnGetThumbsItemUrl Delegate

ContentLinkMediaSelector Class

ContentMediaView Class

ContentPage Class

ContentUrlRetriever Class

ControlDisplayModeEnum Enumeration

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

FaviconMarkupBuilder Class

FieldEditorEventArgs Class

FieldEditorModeEnum Enumeration

FieldEditorSelectedItemEnum Enumeration

FilesLog Class

FileTypeEnum Enumeration

FileUpload Class

GenderSelector Class

GetSelectionDialogScriptEventArgs Class

GlobalAdminPage Class

GridViewTemplate 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

IDialogFooter Interface

IExtensibleMassActions Interface

IExtensibleUniGrid Interface

IFieldEditorControl Interface

ImportExportBase Class

ImportExportControl Class

ImportExportGridTask Class

ImportExportGridView Class

IndexSelector Class

InformationAttribute Class

ItemProperties Class

IUIElementControl Interface

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IUploadHandler Interface

IUserFilter Interface

LicenseSelector Class

LinkMediaSelector Class

ListFormControl Class

ListingTypeEnum Enumeration

LivePage Class

LoadModeEnum Enumeration

LogControl Class

MacroBoolExpression Class

MacroDesignerGroup Class

MacroDesignerTree Class

MacroEditor Class

MacroEditor.Hint Class

MacroLog Class

MacroTree Class

MassActionItem Class

MassActionParameters Class

MassActions Class

MassActionScopeEnum Enumeration

MassActionTypeEnum Enumeration

MediaView Class

MediaView.OnListReloadRequired Delegate

MessagePage Class

MfuAdditionalParameterEventArgs Class

MultifileUploaderModeEnum Enumeration

NewClassWizardModeEnum Enumeration

ObjectCustomizationPanel Class

ObjectLockingPanel Class

ObjectTransformation Class

ObjectTransformationBase 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

RequestProcessLog Class

SaveActionAttribute Class

ScriptAttribute Class

SecurityAttribute Class

SecurityLog Class

SelectCulture Class

SelectHierarchicalTransformation Class

SelectionModeEnum Enumeration

SelectPageTemplateCategory 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

SiteCultureSelectorAll Class

SiteOrGlobalSelector Class

SqlEditControl Class

SqlEditModeEnum Enumeration

SupportedCultureSelector Class

TabAttribute Class

TabCreatedEventArgs Class

TabsAttribute Class

TemplateMasterPage Class

TemplatePage Class

TextBoxControl Class

TextFilterControl Class

TimeZoneTypeSelector Class

TitleAttribute Class

UIContextDataItemName Class

UICultureSelector Class

UIElementAttribute Class

UIElementLayout Class

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

UniGridFilterField Class

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

BeforeEventHandler Delegate

Before event handler.

Namespace: CMS.UIControls
Assembly: CMS.UIControls (in CMS.UIControls.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.UIControls Namespace