ZoomBox class

Provides a ContentControl with additional properties: Zoom functions via Ctrl mouse wheel, vertical scrolling via mouse wheel, Horizontal scrolling via shift mouse wheel, normal view via right mouse button, Complete view via Ctrl-right mouse button.

Inheritance hierarchy

SystemObject
  System.Windows.ThreadingDispatcherObject
    System.WindowsDependencyObject
      System.Windows.MediaVisual
        System.WindowsUIElement
          System.WindowsFrameworkElement
            System.Windows.ControlsControl
              System.Windows.ControlsContentControl
                NetEti.CustomControlsZoomBox

Namespace: NetEti.CustomControls
Assembly: NetEti.ZoomBox (in NetEti.ZoomBox.dll) Version: 1.0.0+5ee800418dee8f46c939f296c9beaab353004ca7

Syntax

C++

Copy

public class ZoomBox : ContentControl, IDisposable

Public Class ZoomBox
	Inherits ContentControl
	Implements IDisposable

public ref class ZoomBox : public ContentControl,
	 
	IDisposable

type ZoomBox = 
    class
        inherit ContentControl
        interface IDisposable
    end

The ZoomBox Type exposes the following members.

Constructors

	Name	Description of the
	ZoomBox	Standard constructor.

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Properties

	Name	Description of the
	HorizontalScroll	Gets or sets the horizontal scroll width in device-independent pixels. Default: 0.0.
	HorizontalScrollBarVisibility	Gets or sets the visibility of an optional horizontal scrollbar.
	IsHorizontalScrollbarVisible	Returns True if the horizontal scrollbar is currently visible.
	IsVerticalScrollbarVisible	Returns True if the vertical scrollbar is currently visible.
	MinimalScaleFactor	Get or set the minimum scale factor. The minimum scale factor indicates how much elements can be reduced in size. This also indirectly limits the maximum number of elements that can be can be on the screen at the same time. For very large jobs with very many controls, this is crucial for the performance of the WPF application. Default: 0.3.
	VerticalScroll	Gets or sets the vertical scroll width in device-independent pixels. Default: 0.0.
	VerticalScrollBarVisibility	Gets or sets the visibility of an optional vertical scrollbar.

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Methods

	Name	Description of the
	Dispose	Public method for cleaning up.
	Dispose(Boolean)	Finalising work, releasing resources.
	FindFirstVisualParentOfTypeT	Searches in the VisualTree from the FrameworkElement element upwards after the first parent element of type T with name == name.
	GetScale	Returns the current zoom settings of the ZoomBox.
	PresetScale	Prepares the setting of the current zoom settings of the ZoomBox. These will then be adopted with the next ZoomBox_LayoutUpdated.
	SetScale	Sets the current zoom settings of the ZoomBox.

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Fields

	Name	Description of the
	HorizontalScrollBarVisibilityProperty	Gets or sets the visibility of an optional horizontal scrollbar.
	VerticalScrollBarVisibilityProperty	Gets or sets the visibility of an optional vertical scrollbar.

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Remarks

File: ZoomBox.cs Author: Erik Nagel, NetEti
23.07.2013 Erik Nagel: created 26.07.2023 Erik Nagel: Windows.DragMove while maintaining the responsiveness of other controls (buttons) is implemented (DelayedDragMove). 13.02.2024 Erik Nagel: DelayedDragMove only for non-visible scrollbars. 13.02.2024 Erik Nagel: DelayedDragMove completely removed - led to UserControls that could not be scrolled with the mouse.

Reference

NetEti.CustomControls namespace