# Events Overview

**RadRibbonBar** supports a number of server-side events that let you respond to complex actions at the server.

* [ApplicationMenuItemClick](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/applicationmenuitemclick): Occurs when the user clicks on application menu item.

* [ButtonClick](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/buttonclick): Occurs when the user clicks on a Button.

* [ButtonToggle](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/buttontoggle): Occurs when a toggle button is toggled.

* [LauncherClick ](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/launcherclick-): Occurs when a group launcher is clicked.

* [MenuItemClick](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/menuitemclick): Occurs when a menu item is clicked.

* [SplitButtonClick](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/splitbuttonclick): Occurs when the user clicks one a SplitButton.

* [SelectedTabChange](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/selectedtabchange): Occurs when non-selected tab is clicked.

* [ToggleListToggle](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/togglelisttoggle): Occurs when a ToggleButton inside a ToggleList is toggled.

* [OnDropDownSelectedIndexChanged](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/dropdownselectedindexchanged): Occurs when a different item from the DropDown is selected.

* [OnComboBoxSelectedIndexChanged](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/comboboxselectedindexchanged): Occurs when a different item from the ComboBox DropDown is selected.

* [OnComboBoxTextChanged](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/comboboxtextchanged-): Occurs when text in the ComboBox changes.

* [OnNumericTextBoxValueChanged ](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/numerictextboxvaluechanged-): Occurs when the value in the TextBox changes.

* [OnColorPickerColorChanged ](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/colorpickercolorchanged): Occurs when the color in the ColorPicker changes.

* [OnCommand ](https://www.telerik.com/products/aspnet-ajax/documentation/controls/ribbonbar/server-side-programming/events/oncommand)

For a live example of using server-side events, see [Server Events](https://demos.telerik.com/aspnet-ajax/RibbonBar/Examples/Events/ServerSide/DefaultCS.aspx).