| Name | Description | |
|---|---|---|
 | ArrowClick | Occurs when the user clicks the ArrowRect of the NOptionButton. |
| AutoSizeChanged | (Inherited from System.Windows.Forms.ButtonBase) |
| BackColorChanged | (Inherited from System.Windows.Forms.Control) |
| BackgroundImageChanged | (Inherited from System.Windows.Forms.Control) |
| BackgroundImageLayoutChanged | (Inherited from System.Windows.Forms.Control) |
| BindingContextChanged | (Inherited from System.Windows.Forms.Control) |
| CausesValidationChanged | (Inherited from System.Windows.Forms.Control) |
| ChangeUICues | (Inherited from System.Windows.Forms.Control) |
| Click | (Inherited from System.Windows.Forms.Control) |
| ClientSizeChanged | (Inherited from System.Windows.Forms.Control) |
| CloseDropDown | Fired when the NOptionButton closes its drop-down part(available only for OptionButtonMode.DropDown. |
| CommandClick | Occurs when the user clicks a command from the Commands collection of the NOptionButton. This event is available only for OptionButtonMode.DropDown. |
| ContextMenuStripChanged | (Inherited from System.Windows.Forms.Control) |
| ControlAdded | (Inherited from System.Windows.Forms.Control) |
| ControlRemoved | (Inherited from System.Windows.Forms.Control) |
| CursorChanged | (Inherited from System.Windows.Forms.Control) |
| DockChanged | (Inherited from System.Windows.Forms.Control) |
| DpiChangedAfterParent | (Inherited from System.Windows.Forms.Control) |
| DpiChangedBeforeParent | (Inherited from System.Windows.Forms.Control) |
| DragDrop | (Inherited from System.Windows.Forms.Control) |
| DragEnter | (Inherited from System.Windows.Forms.Control) |
| DragLeave | (Inherited from System.Windows.Forms.Control) |
| DragOver | (Inherited from System.Windows.Forms.Control) |
| EnabledChanged | (Inherited from System.Windows.Forms.Control) |
| Enter | (Inherited from System.Windows.Forms.Control) |
| FontChanged | (Inherited from System.Windows.Forms.Control) |
| ForeColorChanged | (Inherited from System.Windows.Forms.Control) |
| GiveFeedback | (Inherited from System.Windows.Forms.Control) |
| HelpRequested | (Inherited from System.Windows.Forms.Control) |
| KeyDown | (Inherited from System.Windows.Forms.Control) |
| KeyPress | (Inherited from System.Windows.Forms.Control) |
| KeyUp | (Inherited from System.Windows.Forms.Control) |
| Layout | (Inherited from System.Windows.Forms.Control) |
| Leave | (Inherited from System.Windows.Forms.Control) |
| LocationChanged | (Inherited from System.Windows.Forms.Control) |
| MarginChanged | (Inherited from System.Windows.Forms.Control) |
| MouseCaptureChanged | (Inherited from System.Windows.Forms.Control) |
| MouseClick | (Inherited from System.Windows.Forms.Control) |
| MouseDown | (Inherited from System.Windows.Forms.Control) |
| MouseEnter | (Inherited from System.Windows.Forms.Control) |
| MouseHover | (Inherited from System.Windows.Forms.Control) |
| MouseLeave | (Inherited from System.Windows.Forms.Control) |
| MouseMove | (Inherited from System.Windows.Forms.Control) |
| MouseUp | (Inherited from System.Windows.Forms.Control) |
| Move | (Inherited from System.Windows.Forms.Control) |
| PaddingChanged | (Inherited from System.Windows.Forms.Control) |
| Paint | (Inherited from System.Windows.Forms.Control) |
| ParentChanged | (Inherited from System.Windows.Forms.Control) |
| PreviewKeyDown | (Inherited from System.Windows.Forms.Control) |
| QueryAccessibilityHelp | (Inherited from System.Windows.Forms.Control) |
| QueryContinueDrag | (Inherited from System.Windows.Forms.Control) |
| RegionChanged | (Inherited from System.Windows.Forms.Control) |
| Resize | (Inherited from System.Windows.Forms.Control) |
| RightToLeftChanged | (Inherited from System.Windows.Forms.Control) |
| SizeChanged | (Inherited from System.Windows.Forms.Control) |
| StyleChanged | (Inherited from System.Windows.Forms.Control) |
| SystemColorsChanged | (Inherited from System.Windows.Forms.Control) |
| TabIndexChanged | (Inherited from System.Windows.Forms.Control) |
| TabStopChanged | (Inherited from System.Windows.Forms.Control) |
| TextChanged | (Inherited from System.Windows.Forms.Control) |
| Validated | (Inherited from System.Windows.Forms.Control) |
| Validating | (Inherited from System.Windows.Forms.Control) |
| VisibleChanged | (Inherited from System.Windows.Forms.Control) |