excel.headerfooter.yml

### YamlMime:TSType
name: Excel.HeaderFooter
uid: 'excel!Excel.HeaderFooter:class'
package: excel!
fullName: Excel.HeaderFooter
summary: ''
remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
isPreview: false
isDeprecated: false
type: class
properties:
  - name: centerFooter
    uid: 'excel!Excel.HeaderFooter#centerFooter:member'
    package: excel!
    fullName: centerFooter
    summary: >-
      The center footer of the worksheet. To apply font formatting or insert a variable value, use format codes
      specified here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'centerFooter: string;'
      return:
        type: string
  - name: centerHeader
    uid: 'excel!Excel.HeaderFooter#centerHeader:member'
    package: excel!
    fullName: centerHeader
    summary: >-
      The center header of the worksheet. To apply font formatting or insert a variable value, use format codes
      specified here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'centerHeader: string;'
      return:
        type: string
  - name: context
    uid: 'excel!Excel.HeaderFooter#context:member'
    package: excel!
    fullName: context
    summary: >-
      The request context associated with the object. This connects the add-in's process to the Office host
      application's process.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'context: RequestContext;'
      return:
        type: '<xref uid="excel!Excel.RequestContext:class" />'
  - name: leftFooter
    uid: 'excel!Excel.HeaderFooter#leftFooter:member'
    package: excel!
    fullName: leftFooter
    summary: >-
      The left footer of the worksheet. To apply font formatting or insert a variable value, use format codes specified
      here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'leftFooter: string;'
      return:
        type: string
  - name: leftHeader
    uid: 'excel!Excel.HeaderFooter#leftHeader:member'
    package: excel!
    fullName: leftHeader
    summary: >-
      The left header of the worksheet. To apply font formatting or insert a variable value, use format codes specified
      here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'leftHeader: string;'
      return:
        type: string
  - name: rightFooter
    uid: 'excel!Excel.HeaderFooter#rightFooter:member'
    package: excel!
    fullName: rightFooter
    summary: >-
      The right footer of the worksheet. To apply font formatting or insert a variable value, use format codes specified
      here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'rightFooter: string;'
      return:
        type: string
  - name: rightHeader
    uid: 'excel!Excel.HeaderFooter#rightHeader:member'
    package: excel!
    fullName: rightHeader
    summary: >-
      The right header of the worksheet. To apply font formatting or insert a variable value, use format codes specified
      here: https://msdn.microsoft.com/library/bb225426.aspx.
    remarks: '\[ [API set: ExcelApi 1.9](/javascript/api/requirement-sets/excel/excel-api-requirement-sets) \]'
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'rightHeader: string;'
      return:
        type: string
methods:
  - name: load(options)
    uid: 'excel!Excel.HeaderFooter#load:member(1)'
    package: excel!
    fullName: load(options)
    summary: >-
      Queues up a command to load the specified properties of the object. You must call `context.sync()` before reading
      the properties.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'load(options?: Excel.Interfaces.HeaderFooterLoadOptions): Excel.HeaderFooter;'
      parameters:
        - id: options
          description: Provides options for which properties of the object to load.
          type: '<xref uid="excel!Excel.Interfaces.HeaderFooterLoadOptions:interface" />'
      return:
        type: '<xref uid="excel!Excel.HeaderFooter:class" />'
        description: ''
  - name: load(propertyNames)
    uid: 'excel!Excel.HeaderFooter#load:member(2)'
    package: excel!
    fullName: load(propertyNames)
    summary: >-
      Queues up a command to load the specified properties of the object. You must call `context.sync()` before reading
      the properties.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'load(propertyNames?: string | string[]): Excel.HeaderFooter;'
      parameters:
        - id: propertyNames
          description: A comma-delimited string or an array of strings that specify the properties to load.
          type: 'string | string[]'
      return:
        type: '<xref uid="excel!Excel.HeaderFooter:class" />'
        description: ''
  - name: load(propertyNamesAndPaths)
    uid: 'excel!Excel.HeaderFooter#load:member(3)'
    package: excel!
    fullName: load(propertyNamesAndPaths)
    summary: >-
      Queues up a command to load the specified properties of the object. You must call `context.sync()` before reading
      the properties.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: |-
        load(propertyNamesAndPaths?: {
                    select?: string;
                    expand?: string;
                }): Excel.HeaderFooter;
      parameters:
        - id: propertyNamesAndPaths
          description: >-
            `propertyNamesAndPaths.select` is a comma-delimited string that specifies the properties to load, and
            `propertyNamesAndPaths.expand` is a comma-delimited string that specifies the navigation properties to load.
          type: |-
            {
                        select?: string;
                        expand?: string;
                    }
      return:
        type: '<xref uid="excel!Excel.HeaderFooter:class" />'
        description: ''
  - name: 'set(properties, options)'
    uid: 'excel!Excel.HeaderFooter#set:member(1)'
    package: excel!
    fullName: 'set(properties, options)'
    summary: >-
      Sets multiple properties of an object at the same time. You can pass either a plain object with the appropriate
      properties, or another API object of the same type.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'set(properties: Interfaces.HeaderFooterUpdateData, options?: OfficeExtension.UpdateOptions): void;'
      parameters:
        - id: properties
          description: >-
            A JavaScript object with properties that are structured isomorphically to the properties of the object on
            which the method is called.
          type: '<xref uid="excel!Excel.Interfaces.HeaderFooterUpdateData:interface" />'
        - id: options
          description: Provides an option to suppress errors if the properties object tries to set any read-only properties.
          type: '<xref uid="office!OfficeExtension.UpdateOptions:interface" />'
      return:
        type: void
        description: ''
  - name: set(properties)
    uid: 'excel!Excel.HeaderFooter#set:member(2)'
    package: excel!
    fullName: set(properties)
    summary: 'Sets multiple properties on the object at the same time, based on an existing loaded object.'
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'set(properties: Excel.HeaderFooter): void;'
      parameters:
        - id: properties
          description: ''
          type: '<xref uid="excel!Excel.HeaderFooter:class" />'
      return:
        type: void
        description: ''
  - name: toJSON()
    uid: 'excel!Excel.HeaderFooter#toJSON:member(1)'
    package: excel!
    fullName: toJSON()
    summary: >-
      Overrides the JavaScript `toJSON()` method in order to provide more useful output when an API object is passed to
      `JSON.stringify()`<!-- -->. (`JSON.stringify`<!-- -->, in turn, calls the `toJSON` method of the object that is
      passed to it.) Whereas the original `Excel.HeaderFooter` object is an API object, the `toJSON` method returns a
      plain JavaScript object (typed as `Excel.Interfaces.HeaderFooterData`<!-- -->) that contains shallow copies of any
      loaded child properties from the original object.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'toJSON(): Excel.Interfaces.HeaderFooterData;'
      return:
        type: '<xref uid="excel!Excel.Interfaces.HeaderFooterData:interface" />'
        description: ''
extends: '<xref uid="office!OfficeExtension.ClientObject:class" />'