Class DrawingArea

Namespace

Gtk

Assembly

Gtk-4.0.dll

public class DrawingArea : Widget, IObject, INotifyPropertyChanged, IDisposable, Accessible, Buildable, ConstraintTarget, IHandle, GTypeProvider

Inheritance

object

Object

InitiallyUnowned

Widget

DrawingArea

Implements

IObject

INotifyPropertyChanged

IDisposable

Accessible

Buildable

ConstraintTarget

IHandle

GTypeProvider

Inherited Members

Widget.GetDefaultDirection()

Widget.SetDefaultDirection(TextDirection)

Widget.ActionSetEnabled(string, bool)

Widget.Activate()

Widget.ActivateAction(string, Variant)

Widget.ActivateDefault()

Widget.AddController(EventController)

Widget.AddCssClass(string)

Widget.AddMnemonicLabel(Widget)

Widget.AddTickCallback(TickCallback)

Widget.Allocate(int, int, int, Transform)

Widget.ChildFocus(DirectionType)

Widget.ComputeExpand(Orientation)

Widget.Contains(double, double)

Widget.CreatePangoContext()

Widget.CreatePangoLayout(string)

Widget.DisposeTemplate(Type)

Widget.DragCheckThreshold(int, int, int, int)

Widget.ErrorBell()

Widget.GetAllocatedBaseline()

Widget.GetAllocatedHeight()

Widget.GetAllocatedWidth()

Widget.GetAncestor(Type)

Widget.GetBaseline()

Widget.GetCanFocus()

Widget.GetCanTarget()

Widget.GetChildVisible()

Widget.GetClipboard()

Widget.GetCssClasses()

Widget.GetCssName()

Widget.GetCursor()

Widget.GetDirection()

Widget.GetDisplay()

Widget.GetFirstChild()

Widget.GetFocusChild()

Widget.GetFocusOnClick()

Widget.GetFocusable()

Widget.GetFontMap()

Widget.GetFontOptions()

Widget.GetFrameClock()

Widget.GetHalign()

Widget.GetHasTooltip()

Widget.GetHeight()

Widget.GetHexpand()

Widget.GetHexpandSet()

Widget.GetLastChild()

Widget.GetLayoutManager()

Widget.GetMapped()

Widget.GetMarginBottom()

Widget.GetMarginEnd()

Widget.GetMarginStart()

Widget.GetMarginTop()

Widget.GetName()

Widget.GetNative()

Widget.GetNextSibling()

Widget.GetOpacity()

Widget.GetOverflow()

Widget.GetPangoContext()

Widget.GetParent()

Widget.GetPrevSibling()

Widget.GetPrimaryClipboard()

Widget.GetRealized()

Widget.GetReceivesDefault()

Widget.GetRequestMode()

Widget.GetRoot()

Widget.GetScaleFactor()

Widget.GetSensitive()

Widget.GetSettings()

Widget.GetSize(Orientation)

Widget.GetSizeRequest(out int, out int)

Widget.GetStateFlags()

Widget.GetStyleContext()

Widget.GetTemplateChild(Type, string)

Widget.GetTooltipMarkup()

Widget.GetTooltipText()

Widget.GetValign()

Widget.GetVexpand()

Widget.GetVexpandSet()

Widget.GetVisible()

Widget.GetWidth()

Widget.GrabFocus()

Widget.HasCssClass(string)

Widget.GetHasDefault()

Widget.GetHasFocus()

Widget.HasVisibleFocus()

Widget.Hide()

Widget.InDestruction()

Widget.InitTemplate()

Widget.InsertActionGroup(string, ActionGroup)

Widget.InsertAfter(Widget, Widget)

Widget.InsertBefore(Widget, Widget)

Widget.IsAncestor(Widget)

Widget.IsDrawable()

Widget.IsFocus()

Widget.IsSensitive()

Widget.IsVisible()

Widget.KeynavFailed(DirectionType)

Widget.Map()

Widget.Measure(Orientation, int, out int, out int, out int, out int)

Widget.MnemonicActivate(bool)

Widget.ObserveChildren()

Widget.ObserveControllers()

Widget.Pick(double, double, PickFlags)

Widget.QueueAllocate()

Widget.QueueDraw()

Widget.QueueResize()

Widget.Realize()

Widget.RemoveController(EventController)

Widget.RemoveCssClass(string)

Widget.RemoveMnemonicLabel(Widget)

Widget.RemoveTickCallback(uint)

Widget.SetCanFocus(bool)

Widget.SetCanTarget(bool)

Widget.SetChildVisible(bool)

Widget.SetCssClasses(string[])

Widget.SetCursor(Cursor)

Widget.SetCursorFromName(string)

Widget.SetDirection(TextDirection)

Widget.SetFocusChild(Widget)

Widget.SetFocusOnClick(bool)

Widget.SetFocusable(bool)

Widget.SetFontMap(FontMap)

Widget.SetFontOptions(FontOptions)

Widget.SetHalign(Align)

Widget.SetHasTooltip(bool)

Widget.SetHexpand(bool)

Widget.SetHexpandSet(bool)

Widget.SetLayoutManager(LayoutManager)

Widget.SetMarginBottom(int)

Widget.SetMarginEnd(int)

Widget.SetMarginStart(int)

Widget.SetMarginTop(int)

Widget.SetName(string)

Widget.SetOpacity(double)

Widget.SetOverflow(Overflow)

Widget.SetParent(Widget)

Widget.SetReceivesDefault(bool)

Widget.SetSensitive(bool)

Widget.SetSizeRequest(int, int)

Widget.SetStateFlags(StateFlags, bool)

Widget.SetTooltipMarkup(string)

Widget.SetTooltipText(string)

Widget.SetValign(Align)

Widget.SetVexpand(bool)

Widget.SetVexpandSet(bool)

Widget.SetVisible(bool)

Widget.ShouldLayout()

Widget.Show()

Widget.SnapshotChild(Widget, Snapshot)

Widget.TranslateCoordinates(Widget, double, double, out double, out double)

Widget.TriggerTooltipQuery()

Widget.Unmap()

Widget.Unparent()

Widget.Unrealize()

Widget.UnsetStateFlags(StateFlags)

Widget.CanFocusPropertyDefinition

Widget.CanFocus

Widget.CanTargetPropertyDefinition

Widget.CanTarget

Widget.CssClassesPropertyDefinition

Widget.CssClasses

Widget.CssNamePropertyDefinition

Widget.CssName

Widget.CursorPropertyDefinition

Widget.Cursor

Widget.FocusOnClickPropertyDefinition

Widget.FocusOnClick

Widget.FocusablePropertyDefinition

Widget.Focusable

Widget.HalignPropertyDefinition

Widget.Halign

Widget.HasDefaultPropertyDefinition

Widget.HasDefault

Widget.HasFocusPropertyDefinition

Widget.HasFocus

Widget.HasTooltipPropertyDefinition

Widget.HasTooltip

Widget.HeightRequestPropertyDefinition

Widget.HeightRequest

Widget.HexpandPropertyDefinition

Widget.Hexpand

Widget.HexpandSetPropertyDefinition

Widget.HexpandSet

Widget.LayoutManagerPropertyDefinition

Widget.LayoutManager

Widget.MarginBottomPropertyDefinition

Widget.MarginBottom

Widget.MarginEndPropertyDefinition

Widget.MarginEnd

Widget.MarginStartPropertyDefinition

Widget.MarginStart

Widget.MarginTopPropertyDefinition

Widget.MarginTop

Widget.NamePropertyDefinition

Widget.Name

Widget.OpacityPropertyDefinition

Widget.Opacity

Widget.OverflowPropertyDefinition

Widget.Overflow

Widget.ParentPropertyDefinition

Widget.Parent

Widget.ReceivesDefaultPropertyDefinition

Widget.ReceivesDefault

Widget.RootPropertyDefinition

Widget.Root

Widget.ScaleFactorPropertyDefinition

Widget.ScaleFactor

Widget.SensitivePropertyDefinition

Widget.Sensitive

Widget.TooltipMarkupPropertyDefinition

Widget.TooltipMarkup

Widget.TooltipTextPropertyDefinition

Widget.TooltipText

Widget.ValignPropertyDefinition

Widget.Valign

Widget.VexpandPropertyDefinition

Widget.Vexpand

Widget.VexpandSetPropertyDefinition

Widget.VexpandSet

Widget.VisiblePropertyDefinition

Widget.Visible

Widget.WidthRequestPropertyDefinition

Widget.WidthRequest

Widget.DestroySignal

Widget.OnDestroy

Widget.DirectionChangedSignal

Widget.OnDirectionChanged

Widget.HideSignal

Widget.OnHide

Widget.KeynavFailedSignal

Widget.OnKeynavFailed

Widget.MapSignal

Widget.OnMap

Widget.MnemonicActivateSignal

Widget.OnMnemonicActivate

Widget.MoveFocusSignal

Widget.OnMoveFocus

Widget.QueryTooltipSignal

Widget.OnQueryTooltip

Widget.RealizeSignal

Widget.OnRealize

Widget.ShowSignal

Widget.OnShow

Widget.StateFlagsChangedSignal

Widget.OnStateFlagsChanged

Widget.UnmapSignal

Widget.OnUnmap

Widget.UnrealizeSignal

Widget.OnUnrealize

Object.NewValist(Type, string, IntPtr)

Object.NewWithProperties(Type, string[], Value[])

Object.Newv(Type, Parameter[])

Object.PropertyChanged

Object.Handle

Object.Initialize()

Object.OnPropertyChanged(string)

Object.Dispose()

Object.CompatControl(nuint, IntPtr)

Object.InterfaceFindProperty(TypeInterface, string)

Object.InterfaceInstallProperty(TypeInterface, ParamSpec)

Object.AddWeakPointer(ref IntPtr)

Object.BindProperty(string, Object, string, BindingFlags)

Object.BindPropertyFull(string, Object, string, BindingFlags, Closure, Closure)

Object.ForceFloating()

Object.FreezeNotify()

Object.GetData(string)

Object.GetProperty(string, Value)

Object.GetQdata(Quark)

Object.GetValist(string, IntPtr)

Object.Getv(string[], Value[])

Object.IsFloating()

Object.Notify(string)

Object.NotifyByPspec(ParamSpec)

Object.Ref()

Object.RefSink()

Object.RemoveWeakPointer(ref IntPtr)

Object.RunDispose()

Object.SetData(string, IntPtr)

Object.SetProperty(string, Value)

Object.SetQdata(Quark, IntPtr)

Object.SetValist(string, IntPtr)

Object.Setv(string[], Value[])

Object.StealData(string)

Object.StealQdata(Quark)

Object.TakeRef()

Object.ThawNotify()

Object.Unref()

Object.WatchClosure(Closure)

Object.NotifySignal

Object.OnNotify

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

DrawingArea()

public DrawingArea()

DrawingArea(params ConstructArgument[])

protected DrawingArea(params ConstructArgument[] constructArguments)

Parameters

constructArguments ConstructArgument[]

DrawingArea(IntPtr, bool)

protected DrawingArea(IntPtr ptr, bool ownedRef)

Parameters

ptr IntPtr

ownedRef bool

Fields

ContentHeightPropertyDefinition

public static readonly Property<int, DrawingArea> ContentHeightPropertyDefinition

Field Value

Property<int, DrawingArea>

ContentWidthPropertyDefinition

public static readonly Property<int, DrawingArea> ContentWidthPropertyDefinition

Field Value

Property<int, DrawingArea>

ResizeSignal

Signal Descriptor for OnResize.

public static readonly Signal<DrawingArea, DrawingArea.ResizeSignalArgs> ResizeSignal

Field Value

Signal<DrawingArea, DrawingArea.ResizeSignalArgs>

Properties

AccessibleRole

public AccessibleRole AccessibleRole { get; set; }

Property Value

AccessibleRole

ContentHeight

public int ContentHeight { get; set; }

Property Value

int

ContentWidth

public int ContentWidth { get; set; }

Property Value

int

Methods

Announce(string, AccessibleAnnouncementPriority)

[Version("4.14")]
public void Announce(string message, AccessibleAnnouncementPriority priority)

Parameters

message string

priority AccessibleAnnouncementPriority

GetAccessibleParent()

[Version("4.10")]
public Accessible? GetAccessibleParent()

Returns

Accessible

GetAccessibleRole()

public AccessibleRole GetAccessibleRole()

Returns

AccessibleRole

GetAtContext()

[Version("4.10")]
public ATContext GetAtContext()

Returns

ATContext

GetBounds(out int, out int, out int, out int)

[Version("4.10")]
public bool GetBounds(out int x, out int y, out int width, out int height)

Parameters

x int

y int

width int

height int

Returns

bool

GetBuildableId()

public string? GetBuildableId()

Returns

string

GetContentHeight()

public int GetContentHeight()

Returns

int

GetContentWidth()

public int GetContentWidth()

Returns

int

GetFirstAccessibleChild()

[Version("4.10")]
public Accessible? GetFirstAccessibleChild()

Returns

Accessible

GetGType()

public static Type GetGType()

Returns

Type

GetNextAccessibleSibling()

[Version("4.10")]
public Accessible? GetNextAccessibleSibling()

Returns

Accessible

GetPlatformState(AccessiblePlatformState)

[Version("4.10")]
public bool GetPlatformState(AccessiblePlatformState state)

Parameters

state AccessiblePlatformState

Returns

bool

New()

public static DrawingArea New()

Returns

DrawingArea

ResetProperty(AccessibleProperty)

public void ResetProperty(AccessibleProperty property)

Parameters

property AccessibleProperty

ResetRelation(AccessibleRelation)

public void ResetRelation(AccessibleRelation relation)

Parameters

relation AccessibleRelation

ResetState(AccessibleState)

public void ResetState(AccessibleState state)

Parameters

state AccessibleState

SetAccessibleParent(Accessible?, Accessible?)

[Version("4.10")]
public void SetAccessibleParent(Accessible? parent, Accessible? nextSibling)

Parameters

parent Accessible

nextSibling Accessible

SetContentHeight(int)

public void SetContentHeight(int height)

Parameters

height int

SetContentWidth(int)

public void SetContentWidth(int width)

Parameters

width int

SetDrawFunc(DrawingAreaDrawFunc?)

public void SetDrawFunc(DrawingAreaDrawFunc? drawFunc)

Parameters

drawFunc DrawingAreaDrawFunc

UpdateNextAccessibleSibling(Accessible?)

[Version("4.10")]
public void UpdateNextAccessibleSibling(Accessible? newSibling)

Parameters

newSibling Accessible

Events

OnResize

public event SignalHandler<DrawingArea, DrawingArea.ResizeSignalArgs> OnResize

Event Type

SignalHandler<DrawingArea, DrawingArea.ResizeSignalArgs>