WinFormContainer Class Events
- Last UpdatedAug 21, 2026
- 15 minute read
For a list of all members of this type, see WinFormContainer members.
| Name | Description | |
|---|---|---|
 | ChildChanged | (Inherited from System.Windows.Forms.Integration.WindowsFormsHost) |
| ContextMenuClosing | Occurs just before any context menu on the element is closed. (Inherited from System.Windows.FrameworkElement) |
| ContextMenuOpening | Occurs when any context menu on the element is opened. (Inherited from System.Windows.FrameworkElement) |
| DataContextChanged | Occurs when the data context for this element changes. (Inherited from System.Windows.FrameworkElement) |
| DpiChanged | Occurs after the DPI of the screen on which the HwndHost is displayed changes. (Inherited from System.Windows.Interop.HwndHost) |
| DragEnter | Occurs when the input system reports an underlying drag event with this element as the drag target. (Inherited from System.Windows.UIElement) |
| DragLeave | Occurs when the input system reports an underlying drag event with this element as the drag origin. (Inherited from System.Windows.UIElement) |
| DragOver | Occurs when the input system reports an underlying drag event with this element as the potential drop target. (Inherited from System.Windows.UIElement) |
| Drop | Occurs when the input system reports an underlying drop event with this element as the drop target. (Inherited from System.Windows.UIElement) |
| FocusableChanged | Occurs when the value of the System.Windows.UIElement.Focusable property changes. (Inherited from System.Windows.UIElement) |
| GiveFeedback | Occurs when the input system reports an underlying drag-and-drop event that involves this element. (Inherited from System.Windows.UIElement) |
| GotFocus | Occurs when this element gets logical focus. (Inherited from System.Windows.UIElement) |
| GotKeyboardFocus | Occurs when the keyboard is focused on this element. (Inherited from System.Windows.UIElement) |
| GotMouseCapture | Occurs when this element captures the mouse. (Inherited from System.Windows.UIElement) |
| GotStylusCapture | Occurs when this element captures the stylus. (Inherited from System.Windows.UIElement) |
| GotTouchCapture | Occurs when a touch is captured to this element. (Inherited from System.Windows.UIElement) |
| Initialized | Occurs when this System.Windows.FrameworkElement is initialized. This event coincides with cases where the value of the System.Windows.FrameworkElement.IsInitialized property changes from false (or undefined) to true. (Inherited from System.Windows.FrameworkElement) |
| IsEnabledChanged | Occurs when the value of the System.Windows.UIElement.IsEnabled property on this element changes. (Inherited from System.Windows.UIElement) |
| IsHitTestVisibleChanged | Occurs when the value of the System.Windows.UIElement.IsHitTestVisible dependency property changes on this element. (Inherited from System.Windows.UIElement) |
| IsKeyboardFocusedChanged | Occurs when the value of the System.Windows.UIElement.IsKeyboardFocused property changes on this element. (Inherited from System.Windows.UIElement) |
| IsKeyboardFocusWithinChanged | Occurs when the value of the System.Windows.UIElement.IsKeyboardFocusWithinChanged property changes on this element. (Inherited from System.Windows.UIElement) |
| IsMouseCapturedChanged | Occurs when the value of the System.Windows.UIElement.IsMouseCaptured property changes on this element. (Inherited from System.Windows.UIElement) |
| IsMouseCaptureWithinChanged | Occurs when the value of the System.Windows.UIElement.IsMouseCaptureWithinProperty changes on this element. (Inherited from System.Windows.UIElement) |
| IsMouseDirectlyOverChanged | Occurs when the value of the System.Windows.UIElement.IsMouseDirectlyOver property changes on this element. (Inherited from System.Windows.UIElement) |
| IsStylusCapturedChanged | Occurs when the value of the System.Windows.UIElement.IsStylusCaptured property changes on this element. (Inherited from System.Windows.UIElement) |
| IsStylusCaptureWithinChanged | Occurs when the value of the System.Windows.UIElement.IsStylusCaptureWithin property changes on this element. (Inherited from System.Windows.UIElement) |
| IsStylusDirectlyOverChanged | Occurs when the value of the System.Windows.UIElement.IsStylusDirectlyOver property changes on this element. (Inherited from System.Windows.UIElement) |
| IsVisibleChanged | Occurs when the value of the System.Windows.UIElement.IsVisible property changes on this element. (Inherited from System.Windows.UIElement) |
| KeyDown | Occurs when a key is pressed while focus is on this element. (Inherited from System.Windows.UIElement) |
| KeyUp | Occurs when a key is released while focus is on this element. (Inherited from System.Windows.UIElement) |
| LayoutError | (Inherited from System.Windows.Forms.Integration.WindowsFormsHost) |
| LayoutUpdated | Occurs when the layout of the various visual elements associated with the current System.Windows.Threading.Dispatcher changes. (Inherited from System.Windows.UIElement) |
| Loaded | Occurs when the element is laid out, rendered, and ready for interaction. (Inherited from System.Windows.FrameworkElement) |
| LostFocus | Occurs when this element loses logical focus. (Inherited from System.Windows.UIElement) |
| LostKeyboardFocus | Occurs when the keyboard is no longer focused on this element,. (Inherited from System.Windows.UIElement) |
| LostMouseCapture | Occurs when this element loses mouse capture. (Inherited from System.Windows.UIElement) |
| LostStylusCapture | Occurs when this element loses stylus capture. (Inherited from System.Windows.UIElement) |
| LostTouchCapture | Occurs when this element loses a touch capture. (Inherited from System.Windows.UIElement) |
| ManipulationBoundaryFeedback | Occurs when the manipulation encounters a boundary. (Inherited from System.Windows.UIElement) |
| ManipulationCompleted | Occurs when a manipulation and inertia on the System.Windows.UIElement object is complete. (Inherited from System.Windows.UIElement) |
| ManipulationDelta | Occurs when the input device changes position during a manipulation. (Inherited from System.Windows.UIElement) |
| ManipulationInertiaStarting | Occurs when the input device loses contact with the System.Windows.UIElement object during a manipulation and inertia begins. (Inherited from System.Windows.UIElement) |
| ManipulationStarted | Occurs when an input device begins a manipulation on the System.Windows.UIElement object. (Inherited from System.Windows.UIElement) |
| ManipulationStarting | Occurs when the manipulation processor is first created. (Inherited from System.Windows.UIElement) |
| MessageHook | Occurs for each unhandled message that is received by the hosted window. (Inherited from System.Windows.Interop.HwndHost) |
| MouseDown | Occurs when any mouse button is pressed while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| MouseEnter | Occurs when the mouse pointer enters the bounds of this element. (Inherited from System.Windows.UIElement) |
| MouseLeave | Occurs when the mouse pointer leaves the bounds of this element. (Inherited from System.Windows.UIElement) |
| MouseLeftButtonDown | Occurs when the left mouse button is pressed while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| MouseLeftButtonUp | Occurs when the left mouse button is released while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| MouseMove | Occurs when the mouse pointer moves while over this element. (Inherited from System.Windows.UIElement) |
| MouseRightButtonDown | Occurs when the right mouse button is pressed while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| MouseRightButtonUp | Occurs when the right mouse button is released while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| MouseUp | Occurs when any mouse button is released over this element. (Inherited from System.Windows.UIElement) |
| MouseWheel | Occurs when the user rotates the mouse wheel while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewDragEnter | Occurs when the input system reports an underlying drag event with this element as the drag target. (Inherited from System.Windows.UIElement) |
| PreviewDragLeave | Occurs when the input system reports an underlying drag event with this element as the drag origin. (Inherited from System.Windows.UIElement) |
| PreviewDragOver | Occurs when the input system reports an underlying drag event with this element as the potential drop target. (Inherited from System.Windows.UIElement) |
| PreviewDrop | Occurs when the input system reports an underlying drop event with this element as the drop target. (Inherited from System.Windows.UIElement) |
| PreviewGiveFeedback | Occurs when a drag-and-drop operation is started. (Inherited from System.Windows.UIElement) |
| PreviewGotKeyboardFocus | Occurs when the keyboard is focused on this element. (Inherited from System.Windows.UIElement) |
| PreviewKeyDown | Occurs when a key is pressed while focus is on this element. (Inherited from System.Windows.UIElement) |
| PreviewKeyUp | Occurs when a key is released while focus is on this element. (Inherited from System.Windows.UIElement) |
| PreviewLostKeyboardFocus | Occurs when the keyboard is no longer focused on this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseDown | Occurs when any mouse button is pressed while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseLeftButtonDown | Occurs when the left mouse button is pressed while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseLeftButtonUp | Occurs when the left mouse button is released while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseMove | Occurs when the mouse pointer moves while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseRightButtonDown | Occurs when the right mouse button is pressed while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseRightButtonUp | Occurs when the right mouse button is released while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseUp | Occurs when any mouse button is released while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewMouseWheel | Occurs when the user rotates the mouse wheel while the mouse pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewQueryContinueDrag | Occurs when there is a change in the keyboard or mouse button state during a drag-and-drop operation. (Inherited from System.Windows.UIElement) |
| PreviewStylusButtonDown | Occurs when the stylus button is pressed while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewStylusButtonUp | Occurs when the stylus button is released while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| PreviewStylusDown | Occurs when the stylus touches the digitizer while it is over this element. (Inherited from System.Windows.UIElement) |
| PreviewStylusInAirMove | Occurs when the stylus moves over an element without actually touching the digitizer. (Inherited from System.Windows.UIElement) |
| PreviewStylusInRange | Occurs when the stylus is close enough to the digitizer to be detected, while over this element. (Inherited from System.Windows.UIElement) |
| PreviewStylusMove | Occurs when the stylus moves while over the element. The stylus must move while being detected by the digitizer to raise this event, otherwise, System.Windows.UIElement.PreviewStylusInAirMove is raised instead. (Inherited from System.Windows.UIElement) |
| PreviewStylusOutOfRange | Occurs when the stylus is too far from the digitizer to be detected. (Inherited from System.Windows.UIElement) |
| PreviewStylusSystemGesture | Occurs when a user performs one of several stylus gestures. (Inherited from System.Windows.UIElement) |
| PreviewStylusUp | Occurs when the user raises the stylus off the digitizer while the stylus is over this element. (Inherited from System.Windows.UIElement) |
| PreviewTextInput | Occurs when this element gets text in a device-independent manner. (Inherited from System.Windows.UIElement) |
| PreviewTouchDown | Occurs when a finger touches the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| PreviewTouchMove | Occurs when a finger moves on the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| PreviewTouchUp | Occurs when a finger is raised off of the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| QueryContinueDrag | Occurs when there is a change in the keyboard or mouse button state during a drag-and-drop operation. (Inherited from System.Windows.UIElement) |
| QueryCursor | Occurs when the cursor is requested to display. This event is raised on an element each time that the mouse pointer moves to a new location, which means the cursor object might need to be changed based on its new position. (Inherited from System.Windows.UIElement) |
| RequestBringIntoView | Occurs when System.Windows.FrameworkElement.BringIntoView(System.Windows.Rect) is called on this element. (Inherited from System.Windows.FrameworkElement) |
| SizeChanged | Occurs when either the System.Windows.FrameworkElement.ActualHeight or the System.Windows.FrameworkElement.ActualWidth properties change value on this element. (Inherited from System.Windows.FrameworkElement) |
| SourceUpdated | Occurs when the source value changes for any existing property binding on this element. (Inherited from System.Windows.FrameworkElement) |
| StylusButtonDown | Occurs when the stylus button is pressed while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| StylusButtonUp | Occurs when the stylus button is released while the pointer is over this element. (Inherited from System.Windows.UIElement) |
| StylusDown | Occurs when the stylus touches the digitizer while the stylus is over this element. (Inherited from System.Windows.UIElement) |
| StylusEnter | Occurs when the stylus enters the bounds of this element. (Inherited from System.Windows.UIElement) |
| StylusInAirMove | Occurs when the stylus moves over an element without actually touching the digitizer. (Inherited from System.Windows.UIElement) |
| StylusInRange | Occurs when the stylus is close enough to the digitizer to be detected, while over this element. (Inherited from System.Windows.UIElement) |
| StylusLeave | Occurs when the stylus leaves the bounds of the element. (Inherited from System.Windows.UIElement) |
| StylusMove | Occurs when the stylus moves over this element. The stylus must move while on the digitizer to raise this event. Otherwise, System.Windows.UIElement.StylusInAirMove is raised instead. (Inherited from System.Windows.UIElement) |
| StylusOutOfRange | Occurs when the stylus is too far from the digitizer to be detected, while over this element. (Inherited from System.Windows.UIElement) |
| StylusSystemGesture | Occurs when a user performs one of several stylus gestures. (Inherited from System.Windows.UIElement) |
| StylusUp | Occurs when the user raises the stylus off the digitizer while it is over this element. (Inherited from System.Windows.UIElement) |
| TargetUpdated | Occurs when the target value changes for any property binding on this element. (Inherited from System.Windows.FrameworkElement) |
| TextInput | Occurs when this element gets text in a device-independent manner. (Inherited from System.Windows.UIElement) |
| ToolTipClosing | Occurs just before any tooltip on the element is closed. (Inherited from System.Windows.FrameworkElement) |
| ToolTipOpening | Occurs when any tooltip on the element is opened. (Inherited from System.Windows.FrameworkElement) |
| TouchDown | Occurs when a finger touches the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| TouchEnter | Occurs when a touch moves from outside to inside the bounds of this element. (Inherited from System.Windows.UIElement) |
| TouchLeave | Occurs when a touch moves from inside to outside the bounds of this element. (Inherited from System.Windows.UIElement) |
| TouchMove | Occurs when a finger moves on the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| TouchUp | Occurs when a finger is raised off of the screen while the finger is over this element. (Inherited from System.Windows.UIElement) |
| Unloaded | Occurs when the element is removed from within an element tree of loaded elements. (Inherited from System.Windows.FrameworkElement) |
| UserActivityDetected | IUserActivity member |