# DevExpress.XtraTab.ViewInfo Namespace | WinForms Controls | DevExpress Documentation

# DevExpress.XtraTab.ViewInfo Namespace

Contains classes that provide information to the XtraTabControl’s events.

        **Assembly**:
        DevExpress.XtraEditors.v26.1.dll

## Classes

| Name | Description |
| --- | --- |
| [ClosePageButtonEventArgs](/WindowsForms/DevExpress.XtraTab.ViewInfo.ClosePageButtonEventArgs) | Provides data for the [XtraTabControl.CloseButtonClick](/WindowsForms/DevExpress.XtraTab.XtraTabControl.CloseButtonClick) event. |
| [CustomHeaderButtonEventArgs](/WindowsForms/DevExpress.XtraTab.ViewInfo.CustomHeaderButtonEventArgs) | Provides data for the [XtraTabControl.CustomHeaderButtonClick](/WindowsForms/DevExpress.XtraTab.XtraTabControl.CustomHeaderButtonClick) event. |
| [HeaderButtonEventArgs](/WindowsForms/DevExpress.XtraTab.ViewInfo.HeaderButtonEventArgs) | Provides data for the [XtraTabControl.HeaderButtonClick](/WindowsForms/DevExpress.XtraTab.XtraTabControl.HeaderButtonClick) event. |

## Delegates

| Name | Description |
| --- | --- |
| [CustomHeaderButtonEventHandler](/WindowsForms/DevExpress.XtraTab.ViewInfo.CustomHeaderButtonEventHandler) | The method for handling the [XtraTabControl.CustomHeaderButtonClick](/WindowsForms/DevExpress.XtraTab.XtraTabControl.CustomHeaderButtonClick) event, which takes a [CustomHeaderButtonEventArgs](/WindowsForms/DevExpress.XtraTab.ViewInfo.CustomHeaderButtonEventArgs) object as a parameter. |
| [HeaderButtonEventHandler](/WindowsForms/DevExpress.XtraTab.ViewInfo.HeaderButtonEventHandler) | The method for handling the [XtraTabControl.HeaderButtonClick](/WindowsForms/DevExpress.XtraTab.XtraTabControl.HeaderButtonClick) event, which takes a [HeaderButtonEventArgs](/WindowsForms/DevExpress.XtraTab.ViewInfo.HeaderButtonEventArgs) object as a parameter. |