Class MapControl

Inheritance
object
Widget
BindableWidget
Control
Container
Panel
Drawable
SkiaDrawable
MapControl
Implements
IHandlerSource
IBindable
IMouseInputSource
IKeyboardInputSource
ICallbackSource
IBindableWidgetContainer
Inherited Members
SkiaDrawable.OnPaint(PaintEventArgs)
SkiaDrawable.Paint
Drawable.CreateGraphics()
Drawable.Update(Rectangle)
Drawable.GetCallback()
Drawable.SupportsCreateGraphics
Drawable.CanFocus
Panel.Remove(Control)
Panel.Controls
Panel.Padding
Panel.MinimumSize
Panel.ContextMenu
Panel.Content
Container.RemoveAll()
Container.RemoveParent(Control)
Container.SetLogicalParent(Control)
Container.RemoveLogicalParent(Control)
Container.ClientSize
Container.Children
Container.VisualChildren
Container.StyleProvider
Container.Styles
Control.SizeChangedEvent
Control.KeyDownEvent
Control.KeyUpEvent
Control.TextInputEvent
Control.MouseDownEvent
Control.MouseUpEvent
Control.MouseMoveEvent
Control.MouseLeaveEvent
Control.MouseEnterEvent
Control.MouseDoubleClickEvent
Control.MouseWheelEvent
Control.GotFocusEvent
Control.LostFocusEvent
Control.ShownEvent
Control.DragDropEvent
Control.DragOverEvent
Control.DragEnterEvent
Control.DragLeaveEvent
Control.EnabledChangedEvent
Control.OnKeyDown(KeyEventArgs)
Control.OnKeyUp(KeyEventArgs)
Control.OnTextInput(TextInputEventArgs)
Control.OnMouseLeave(MouseEventArgs)
Control.OnMouseEnter(MouseEventArgs)
Control.OnMouseDoubleClick(MouseEventArgs)
Control.OnDragDrop(DragEventArgs)
Control.OnDragOver(DragEventArgs)
Control.OnDragEnter(DragEventArgs)
Control.OnDragLeave(DragEventArgs)
Control.Invalidate()
Control.Invalidate(Rectangle)
Control.GetPreferredSize()
Control.GetPreferredSize(SizeF)
Control.Detach()
Control.AttachNative()
Control.DetachNative()
Control.Focus()
Control.SuspendLayout()
Control.ResumeLayout()
Control.PointFromScreen(PointF)
Control.PointToScreen(PointF)
Control.RectangleToScreen(RectangleF)
Control.RectangleFromScreen(RectangleF)
Control.DoDragDrop(DataObject, DragEffects)
Control.DoDragDrop(DataObject, DragEffects, Image, PointF)
Control.OnApplyCascadingStyles()
Control.Print()
Control.Handler
Control.Loaded
Control.VisualControls
Control.Tag
Control.LogicalParent
Control.IsVisualControl
Control.Size
Control.Width
Control.Height
Control.Enabled
Control.Visible
Control.Parent
Control.VisualParent
Control.IsAttached
Control.BackgroundColor
Control.HasFocus
Control.IsSuspended
Control.ParentWindow
Control.SupportedPlatformCommands
Control.Bounds
Control.Location
Control.Cursor
Control.ToolTip
Control.TabIndex
Control.AllowDrop
Control.SizeChanged
Control.KeyDown
Control.KeyUp
Control.TextInput
Control.MouseDown
Control.MouseUp
Control.MouseMove
Control.MouseLeave
Control.MouseEnter
Control.MouseDoubleClick
Control.MouseWheel
Control.GotFocus
Control.LostFocus
Control.Shown
Control.PreLoad
Control.Load
Control.LoadComplete
Control.UnLoad
Control.DragDrop
Control.DragOver
Control.DragEnter
Control.DragLeave
Control.EnabledChanged
BindableWidget.Unbind()
BindableWidget.UpdateBindings(BindingUpdateMode)
BindableWidget.Parents
BindableWidget.DataContext
BindableWidget.Bindings
BindableWidget.DataContextChanged
Widget.Initialize()
Widget.Dispose()
Widget.ToString()
Widget.Platform
Widget.NativeHandle
Widget.Properties
Widget.ID
Widget.Style
Widget.ControlObject
Widget.IsDisposed
Widget.StyleChanged
Namespace: Mapsui.UI.Eto
Assembly: Mapsui.UI.Eto.dll
Syntax
public class MapControl : SkiaDrawable, IHandlerSource, IBindable, IMouseInputSource, IKeyboardInputSource, ICallbackSource, IBindableWidgetContainer, IMapControl, INotifyPropertyChanged, IDisposable

Constructors

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MapControl()

Declaration
public MapControl()

Properties

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Map

Map holding data for which is shown in this MapControl

Declaration
public Map Map { get; set; }
Property Value
Type Description
Map
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MoveButton

Declaration
public MouseButtons MoveButton { get; set; }
Property Value
Type Description
MouseButtons
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MoveCursor

Declaration
public Cursor MoveCursor { get; set; }
Property Value
Type Description
Cursor
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MoveModifier

Declaration
public Keys MoveModifier { get; set; }
Property Value
Type Description
Keys
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Performance

Object to save performance information about the drawing of the map

Declaration
public Performance? Performance { get; set; }
Property Value
Type Description
Performance
Remarks

If this is null, no performance information is saved.

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PixelDensity

The number of pixel per device independent unit

Declaration
public float PixelDensity { get; }
Property Value
Type Description
float
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ReSnapRotationDegrees

With how many degrees from 0 should map snap to 0 degrees

Declaration
public double ReSnapRotationDegrees { get; set; }
Property Value
Type Description
double
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Renderer

Renderer that is used from this MapControl

Declaration
public IRenderer Renderer { get; set; }
Property Value
Type Description
IRenderer
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UnSnapRotationDegrees

After how many degrees start rotation to take place

Declaration
public double UnSnapRotationDegrees { get; set; }
Property Value
Type Description
double
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UpdateInterval

Interval between two redraws of the MapControl in ms

Declaration
public int UpdateInterval { get; set; }
Property Value
Type Description
int
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ZoomButton

Declaration
public MouseButtons ZoomButton { get; set; }
Property Value
Type Description
MouseButtons
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ZoomModifier

Declaration
public Keys ZoomModifier { get; set; }
Property Value
Type Description
Keys

Methods

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CallHomeIfNeeded()

Declaration
public void CallHomeIfNeeded()
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Dispose(bool)

Handles the disposal of this control

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
bool disposing

True if the caller called Eto.Widget.Dispose() manually, false if being called from a finalizer
Overrides
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ForceUpdate()

Force a update of control

Declaration
public void ForceUpdate()
Remarks

When this function is called, the control draws itself once

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GetMapInfo(MPoint?, int)

Check, if a feature at a given screen position is hit

Declaration
public MapInfo? GetMapInfo(MPoint? screenPosition, int margin = 0)
Parameters
Type Name Description
MPoint screenPosition

Screen position to check for widgets and features
int margin

An optional extra margin around the feature to enlarge the hit area.
Returns
Type Description
MapInfo
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GetSnapshot(IEnumerable<ILayer>?)

Create a snapshot form map as PNG image

Declaration
public byte[] GetSnapshot(IEnumerable<ILayer>? layers = null)
Parameters
Type Name Description
IEnumerable<ILayer> layers

Layers that should be included in snapshot
Returns
Type Description
byte[]

Byte array with snapshot in png format. If there are any problems than returns null.
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OnLoadComplete(EventArgs)

Raises the Eto.Forms.Control.LoadComplete event, and recurses to this container's children

Declaration
protected override void OnLoadComplete(EventArgs e)
Parameters
Type Name Description
EventArgs e

Event arguments
Overrides
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OnMouseDown(MouseEventArgs)

Raises the Eto.Forms.Control.MouseDown event.

Declaration
protected override void OnMouseDown(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

Event arguments
Overrides
Eto.Forms.Control.OnMouseDown(Eto.Forms.MouseEventArgs)
Remarks

To override default behaviour of the control, set Eto.Forms.MouseEventArgs.Handled property to true.

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OnMouseMove(MouseEventArgs)

Raises the Eto.Forms.Control.MouseMove event.

Declaration
protected override void OnMouseMove(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

Mouse event args
Overrides
Eto.Forms.Control.OnMouseMove(Eto.Forms.MouseEventArgs)
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OnMouseUp(MouseEventArgs)

Raises the Eto.Forms.Control.MouseUp event.

Declaration
protected override void OnMouseUp(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

Event arguments
Overrides
Eto.Forms.Control.OnMouseUp(Eto.Forms.MouseEventArgs)
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OnMouseWheel(MouseEventArgs)

Raises the Eto.Forms.Control.MouseWheel event.

Declaration
protected override void OnMouseWheel(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

Event arguments
Overrides
Eto.Forms.Control.OnMouseWheel(Eto.Forms.MouseEventArgs)
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OnPaint(SKPaintEventArgs)

Declaration
protected override void OnPaint(SKPaintEventArgs e)
Parameters
Type Name Description
SKPaintEventArgs e
Overrides
Eto.SkiaDraw.SkiaDrawable.OnPaint(Eto.SkiaDraw.SKPaintEventArgs)
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OnPropertyChanged(string)

Declaration
protected void OnPropertyChanged(string propertyName = "")
Parameters
Type Name Description
string propertyName
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OnSizeChanged(EventArgs)

Raises the Eto.Forms.Control.SizeChanged event.

Declaration
protected override void OnSizeChanged(EventArgs e)
Parameters
Type Name Description
EventArgs e

Event arguments
Overrides
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OpenBrowser(string)

Declaration
public void OpenBrowser(string url)
Parameters
Type Name Description
string url
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Refresh(ChangeType)

Declaration
public void Refresh(ChangeType changeType = ChangeType.Discrete)
Parameters
Type Name Description
ChangeType changeType
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RefreshData(ChangeType)

Refresh data of Map, but don't paint it

Declaration
public void RefreshData(ChangeType changeType = ChangeType.Discrete)
Parameters
Type Name Description
ChangeType changeType
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RefreshGraphics()

Declaration
public void RefreshGraphics()
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ResetWidgetCache()

Reset the widget cache. It may be necessary to call this explicitly after the widgets have changed.

Declaration
protected void ResetWidgetCache()
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StartUpdates(bool)

Start updates for control

Declaration
public void StartUpdates(bool refresh = true)
Parameters
Type Name Description
bool refresh
Remarks

When this function is called, the control is redrawn if needed

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StopUpdates()

Stop updates for control

Declaration
public void StopUpdates()
Remarks

When this function is called, the control stops to redraw itself, even if it is needed

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ToDeviceIndependentUnits(MPoint)

Converts coordinates in pixels to device independent units (or DIP or DP).

Declaration
public MPoint ToDeviceIndependentUnits(MPoint coordinateInPixels)
Parameters
Type Name Description
MPoint coordinateInPixels

Coordinate in pixels
Returns
Type Description
MPoint

Coordinate in device independent units (or DIP or DP)
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ToPixels(MPoint)

Converts coordinates in device independent units (or DIP or DP) to pixels.

Declaration
public MPoint ToPixels(MPoint coordinateInDeviceIndependentUnits)
Parameters
Type Name Description
MPoint coordinateInDeviceIndependentUnits

Coordinate in device independent units (or DIP or DP)
Returns
Type Description
MPoint

Coordinate in pixels
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Unsubscribe()

Unsubscribe from map events

Declaration
public void Unsubscribe()
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ZoomToBox(MPoint, MPoint)

Declaration
public void ZoomToBox(MPoint beginPoint, MPoint endPoint)
Parameters
Type Name Description
MPoint beginPoint
MPoint endPoint

Events

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Info

Called whenever the map is clicked. The MapInfoEventArgs contain the features that were hit in the layers that have IsMapInfoLayer set to true.

Declaration
public event EventHandler<MapInfoEventArgs>? Info
Event Type
Type Description
EventHandler<MapInfoEventArgs>
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PropertyChanged

Called whenever a property is changed

Declaration
public event PropertyChangedEventHandler? PropertyChanged
Event Type
Type Description
PropertyChangedEventHandler

Implements

Eto.IHandlerSource
Eto.Forms.IBindable
Eto.Forms.IMouseInputSource
Eto.Forms.IKeyboardInputSource
Eto.ICallbackSource
Eto.Forms.IBindableWidgetContainer