Class SelectionAnchorActivity
Implements selection anchors handling for the controls with selection capabilities.
public class SelectionAnchorActivity : BaseControlActivity, IBaseObjectWithAttr, IBaseObjectWithId, INotifyPropertyChanged, IDisposableObject, IBaseObject, IControlNotification, IDisposable- Inheritance
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SelectionAnchorActivity
- Implements
Constructors
- SelectionAnchorActivity()
Initializes a new instance of the SelectionAnchorActivity class.
Properties
- ClickOffset
Gets the offset between the mouse-down location and the origin of the hit-test rectangle when dragging began.
- HitTest
Gets or sets the hit test delegate to determine which part of the element was hit.
- HitTestMouseDown
Gets the hit test result that was recorded when the last mouse-down event occurred.
- HitTestMouseMove
Gets the hit test result for the most recent mouse move event.
- HitTestRectangle
Gets or sets the delegate used to obtain the rectangle that corresponds to a specified hit test result.
- IsDragging
Gets a value indicating whether a drag operation is currently in progress for this activity.
- IsEnabled
Gets or sets a value indicating whether the activity is enabled.
Methods
- AfterLostFocus(AbstractControl, LostFocusEventArgs)
This method is invoked when the control lost focus.
- AfterMouseCaptureLost(AbstractControl, EventArgs)
Called after the control loses mouse capture.
- AfterVisibleChanged(AbstractControl, EventArgs)
Called after the value of the Visible property changes.
- BeforeMouseDown(AbstractControl, MouseEventArgs)
Called before the mouse button was pressed.
- BeforeMouseMove(AbstractControl, MouseEventArgs)
Called before the mouse pointer was moved.
- BeforeMouseUp(AbstractControl, MouseEventArgs)
Called before the mouse button was released.
- DisposeManaged()
Override to dispose managed resources. Here we dispose all used object references.
- GetHitTest(AbstractControl, PointD)
Performs a hit test on the specified control at the given click location.
- GetHitTestRect(AbstractControl, int)
Returns the hit test rectangle for the specified control and hit test result.
- ResetDragging(AbstractControl)
Resets the dragging state to its default value.
Events
- AnchorMove
Occurs when an anchor is being moved during a drag operation.