Interface IControlHandler
Contains methods and properties which allow to work with control.
public interface IControlHandler : IDisposableObject, IDisposableProperties
- Activated
Gets or sets an action which is called when 'Activated' event is raised.
- AllowDrop
Gets or sets a value indicating whether the control can accept data that the user drags onto it.
- BackgroundColor
Gets or sets the background color for the control.
- BackgroundStyle
Gets or sets the background style of the control.
- BindScrollEvents
Gets or sets whether scroll events are binded and recveived in the control.
- BorderStyle
Gets or sets border style of the control.
- CanSelect
Gets or sets value indicating whether this control accepts input or not (i.e. behaves like a static text) and so doesn't need focus.
- ClientSize
Gets or sets size of the Control's client area, in device-independent units.
- Deactivated
Gets or sets an action which is called when 'Deactivated' event is raised.
- DpiChanged
Gets or sets an action which is called when 'DpiChanged' event is raised.
- DragDrop
Gets or sets an action which is called when 'DragDrop' event is raised.
- DragEnter
Gets or sets an action which is called when 'DragEnter' event is raised.
- DragLeave
Gets or sets an action which is called when 'DragLeave' event is raised.
- DragOver
Gets or sets an action which is called when 'DragOver' event is raised.
- EventBounds
Gets native control bounds. Valid only in the event handler.
- EventNewDpi
Gets new dpi. Available only in the DpiChanged event handler.
- EventOldDpi
Gets old dpi. Available only in the DpiChanged event handler.
- Font
Gets or sets the font of the text displayed by the control.
- ForegroundColor
Gets or sets the foreground color for the control.
- GotFocus
Gets or sets an action which is called when 'GotFocus' event is raised.
- HandleCreated
Gets or sets an action which is called when 'HandleCreated' event is raised.
- HandleDestroyed
Gets or sets an action which is called when 'HandleDestroyed' event is raised.
- HorizontalScrollBarValueChanged
Gets or sets an action which is called when 'HorizontalScrollBarValueChanged' event is raised.
- HorzScrollBarInfo
Gets or sets horizontal scrollbar position as ScrollBarInfo.
- Idle
Gets or sets an action which is called when 'Idle' event is raised.
- IntrinsicLayoutPadding
Gets intrinsic layout padding of the native control.
- IntrinsicPreferredSizePadding
Gets intrinsic preferred size padding of the native control.
- IsAttached
Gets a value indicating whether handler is attached to a Control.
- IsBold
Gets or sets whether control's font is bold.
- IsFocused
Gets a value indicating whether the control has input focus.
- IsHandleCreated
Gets a value indicating whether the control has a native window handle associated with it.
- IsMouseCaptured
Gets a value indicating whether the mouse is captured to this control.
- IsNativeControlCreated
Gets whether or not native control is created.
- IsScrollable
Gets or sets whether controls is scrollable.
- LangDirection
Gets or sets the language direction for this control.
- LocationChanged
Gets or sets an action which is called when 'LocationChanged' event is raised.
- LostFocus
Gets or sets an action which is called when 'LostFocus' event is raised.
- MaximumSize
Gets or sets the maximum size the window can be resized to.
- MinimumSize
Gets or sets the minimum size the window can be resized to.
- MouseCaptureLost
Gets or sets an action which is called when 'MouseCaptureLost' event is raised.
- MouseClick
Gets or sets an action which is called when 'MouseClick' event is raised.
- MouseEnter
Gets or sets an action which is called when 'MouseEnter' event is raised.
- MouseLeave
Gets or sets an action which is called when 'MouseLeave' event is raised.
- Paint
Gets or sets an action which is called when 'Paint' event is raised.
- ProcessIdle
Gets or sets whether Idle event is fired.
- SizeChanged
Gets or sets an action which is called when 'SizeChanged' event is raised.
- SystemColorsChanged
Gets or sets an action which is called when 'SystemColorsChanged' event is raised.
- TabStop
Gets or sets a value indicating whether the user can give the focus to this control using the TAB key.
- Text
Gets or sets the text associated with this control.
- TextChanged
Gets or sets an action which is called when 'TextChanged' event is raised.
- UserPaint
Gets or set a value indicating whether the control paints itself rather than the operating system doing so.
- VertScrollBarInfo
Gets or sets vertical scrollbar position as ScrollBarInfo.
- VerticalScrollBarValueChanged
Gets or sets an action which is called when 'VerticalScrollBarValueChanged' event is raised.
- Visible
Gets or sets a value indicating whether the control and all its child controls are displayed.
- VisibleChanged
Gets or sets an action which is called when 'VisibleChanged' event is raised.
- WantChars
Gets or sets whether control wants to get all char/key events for all keys.
Methods
- Attach(Control)
Attaches this handler to the specified Control.
- BeginInit()
Starts the initialization process for this control.
- BeginUpdate()
Maintains performance while performing slow operations on a control by preventing the control from drawing until the EndUpdate() method is called.
- CaptureMouse()
Captures the mouse to the control.
- CenterOnParent(GenericOrientation)
Centers the window.
- ClientToScreen(PointD)
Converts the client-area coordinates of a specified point to screen coordinates.
- CreateDrawingContext()
Creates the Graphics for the control.
- DoDragDrop(object, DragDropEffects)
Begins a drag-and-drop operation.
- EndInit()
Ends the initialization process for this control.
- EndUpdate()
Resumes painting the control after painting is suspended by the BeginUpdate() method.
- FocusNextControl(bool, bool)
Focuses the next control.
- GetDefaultAttributesBgColor()
Gets background color from the default attributes.
- GetDefaultAttributesFgColor()
Gets foreground color from the default attributes.
- GetDefaultAttributesFont()
Gets font from the default attributes.
- GetHandle()
Gets native handler of the control. You should not use this property.
- GetNativeControl()
Gets native control.
- GetPixelScaleFactor()
Gets scale factor.
- GetPreferredSize(SizeD)
Retrieves the size of a rectangular area into which a control can be fitted, in device-independent units.
- GetScrollBarEvtKind()
Gets scrollbar event type. Available only in the event handler.
- GetScrollBarEvtPosition()
Gets scrollbar position. Available only in the event handler.
- GetUpdateClientRectI()
Gets the update rectangle region bounding box in client coords. This method can be used in paint events. Returns rectangle in pixels.
- HandleNeeded()
Creates native control if its not already created.
- Invalidate()
Invalidates the control and causes a paint message to be sent to the control.
- IsTransparentBackgroundSupported()
Checks whether using transparent background might work.
- Lower()
Lowers the window to the bottom of the window hierarchy (Z-order). This function only works for top level windows.
- OnChildRemoved(Control)
Called when a Control is removed from the Children collections.
- OnLayoutChanged()
This methods is called when the layout of the control changes.
- OpenPaintDrawingContext()
Opens drawing context. Available only in the event handler.
- Raise()
Raises the window to the top of the window hierarchy (Z-order). This function only works for top level windows.
- RecreateWindow()
Forces the re-creation of the underlying native control.
- RefreshRect(RectD, bool)
Same as Invalidate(RectD) but has additional parameter
eraseBackground.
- ReleaseMouseCapture()
Releases the mouse capture, if the control held the capture.
- ResetBackgroundColor()
Resets background color.
- ResetForegroundColor()
Resets foreground color.
- SaveScreenshot(string)
Saves screenshot of this control.
- ScreenToClient(PointD)
Converts the screen coordinates of a specified point on the screen to client-area coordinates.
- SetCursor(Cursor?)
Changes Cursor property.
- SetEnabled(bool)
Same as Enabled but implemented as method.
- SetFocus()
Sets input focus to the control.
- SetFocusFlags(bool, bool, bool)
Sets focus related flags.
- SetToolTip(string?)
Sets tooltip text.
- UnsetToolTip()
Clears toltip text.
- Update()
Causes the control to redraw the invalidated regions.