Class ScrollersFrame

Custom scrollbars with various VisualStyles and provision to add buttons to it.

Inheritance

System.Object

BaseComponent

ScrollersFrame

Implements

IThemeProvider

System.IDisposable

System.Windows.Forms.IMessageFilter

IVisualStyle

Inherited Members

BaseComponent.RaiseThemeChanged(Object, ThemeChangedEventArgs)

BaseComponent.GetActiveThemeName()

BaseComponent.OnCanApplyThemeChanged(Boolean)

BaseComponent.OnCanOverrideStyleChanged(Boolean)

BaseComponent.ThemeName

BaseComponent.CanOverrideStyle

BaseComponent.IThemeProvider.BaseThemeName

BaseComponent.CanApplyTheme

BaseComponent.ControlName

BaseComponent.IsVisualStyleEnabled

BaseComponent.ThemeNameChanged

Namespace: Syncfusion.Windows.Forms

Assembly: Syncfusion.Shared.Base.dll

Syntax

public class ScrollersFrame : BaseComponent, IThemeProvider, IDisposable, IMessageFilter, IVisualStyle

Constructors

ScrollersFrame()

Default constructor.

Declaration

public ScrollersFrame()

ScrollersFrame(IContainer)

Component oriented constructor. Mostly used by Windows Forms designer.

Declaration

public ScrollersFrame(IContainer container)

Parameters

Type	Name	Description
System.ComponentModel.IContainer	container	reference on container that will control class life time.

Fields

hScroller

Horizontal scroller instance.

Declaration

protected HScrollBarCustomDraw hScroller

Field Value

Type	Description
HScrollBarCustomDraw

m_customrenderer

Declaration

public IRenderer m_customrenderer

Field Value

Type	Description
IRenderer

m_sizeGripper

Size gripper control instance.

Declaration

protected ScrollersFrame.SizeGripperAdv m_sizeGripper

Field Value

Type	Description
ScrollersFrame.SizeGripperAdv

vScroller

Vertical scroller instance.

Declaration

protected VScrollBarCustomDraw vScroller

Field Value

Type	Description
VScrollBarCustomDraw

Properties

AttachedTo

Reference on control to which we assign our custom scrollers.

Declaration

public Control AttachedTo { get; set; }

Property Value

Type	Description
System.Windows.Forms.Control

CustomRender

Gets or Sets custom renderer to customize the scroll bars

Declaration

public IRenderer CustomRender { get; set; }

Property Value

Type	Description
IRenderer

EnableDelayedScrollBarUpdate

Gets or sets whether delayed scrollbar updates must be updated.

Declaration

public virtual bool EnableDelayedScrollBarUpdate { get; set; }

Property Value

Type	Description
System.Boolean

HorizontalScroller

Reference on configurable Horizontal Scroller control.

Declaration

public HScrollBarCustomDraw HorizontalScroller { get; }

Property Value

Type	Description
HScrollBarCustomDraw

HorizontalSmallChange

Gets or sets the value to be added to or subtracted from the Value property when the horizontal scroll box is moved a small distance.

Declaration

public int HorizontalSmallChange { get; set; }

Property Value

Type	Description
System.Int32

IsHorizontalScrollVisible

True - horizontal scroller is visible to user, otherwise False.

Declaration

protected bool IsHorizontalScrollVisible { get; }

Property Value

Type	Description
System.Boolean

IsVerticalScrollVisible

True - vertical scroller is visible to user, otherwise False.

Declaration

protected bool IsVerticalScrollVisible { get; }

Property Value

Type	Description
System.Boolean

MetroColorScheme

Gets or sets whether the Metro color scheme should be User defined colors.

Declaration

public MetroColorScheme MetroColorScheme { get; set; }

Property Value

Type	Description
MetroColorScheme

MetroThumbSize

Gets/Sets the size of Metro Scroller Thumb

Declaration

public Size MetroThumbSize { get; set; }

Property Value

Type	Description
System.Drawing.Size

Office2010ColorScheme

Gets or sets whether the Office color scheme should be Silver or Blue or Black.

Declaration

public Office2010ColorScheme Office2010ColorScheme { get; set; }

Property Value

Type	Description
Office2010ColorScheme

Office2016ColorScheme

Gets or sets Office2016 color scheme for horizontal and vertical scrollbars.

Declaration

public ScrollBarOffice2016ColorScheme Office2016ColorScheme { get; set; }

Property Value

Type	Description
ScrollBarOffice2016ColorScheme

OfficeColorScheme

Gets or sets whether the Office color scheme should be Silver or Blue or Black.

Declaration

public Office2007ColorScheme OfficeColorScheme { get; set; }

Property Value

Type	Description
Office2007ColorScheme

RefreshOnValueChange

Gets or sets value indicating whether scrollbar should be refreshed on each value change. If set to false, scrollbar is invalidated only and therefore is visually refreshed after processing all scrolling messages.

Declaration

public bool RefreshOnValueChange { get; set; }

Property Value

Type	Description
System.Boolean

ScrollMetroColorTable

Gets or sets custom color to MetroScroller.

Declaration

public MetroColorTable ScrollMetroColorTable { get; set; }

Property Value

Type	Description
MetroColorTable

ScrollOffice2016BlackColorTable

Gets or sets the custom color for Office2016 black scrollbar.

Declaration

public MetroColorTable ScrollOffice2016BlackColorTable { get; set; }

Property Value

Type	Description
MetroColorTable

ScrollOffice2016ColorfulColorTable

Gets or sets the custom color for Office2016 colorful scrollbar.

Declaration

public MetroColorTable ScrollOffice2016ColorfulColorTable { get; set; }

Property Value

Type	Description
MetroColorTable

ScrollOffice2016DarkGrayColorTable

Gets or sets the custom color for Office2016 dark gray scrollbar.

Declaration

public MetroColorTable ScrollOffice2016DarkGrayColorTable { get; set; }

Property Value

Type	Description
MetroColorTable

ScrollOffice2016WhiteColorTable

Gets or sets the custom color for Office2016 white scrollbar.

Declaration

public MetroColorTable ScrollOffice2016WhiteColorTable { get; set; }

Property Value

Type	Description
MetroColorTable

ShowMetroArrowButton

Gets/Sets whether to display Metro scroller buttons

Declaration

public bool ShowMetroArrowButton { get; set; }

Property Value

Type	Description
System.Boolean

SizeGripperVisibility

Gets or sets visibility of size gripper.

Declaration

public SizeGripperVisibility SizeGripperVisibility { get; set; }

Property Value

Type	Description
SizeGripperVisibility

ThemeStyle

Gets or sets a style of the ScrollFrame components.

Declaration

public ScrollerVisualStyle ThemeStyle { get; set; }

Property Value

Type	Description
ScrollerVisualStyle

UseTouchScrollBehavior

Gets or Sets whether to set the win 8 style scroll behavior

Declaration

public bool UseTouchScrollBehavior { get; set; }

Property Value

Type	Description
System.Boolean

VerticallSmallChange

Gets or sets the value to be added to or subtracted from the Value property when the vertical scroll box is moved a small distance.

Declaration

public int VerticallSmallChange { get; set; }

Property Value

Type	Description
System.Int32

VerticalScroller

Reference on configurable Vertical Scroller control.

Declaration

public VScrollBarCustomDraw VerticalScroller { get; }

Property Value

Type	Description
VScrollBarCustomDraw

VisualStyle

Specifies the style of appearance.

Declaration

public ScrollBarCustomDrawStyles VisualStyle { get; set; }

Property Value

Type	Description
ScrollBarCustomDrawStyles

Methods

AttachFrame(Control)

Method attach scroller frame to the specified control. Previously attaches to the controls will be released.

Declaration

public void AttachFrame(Control control)

Parameters

Type	Name	Description
System.Windows.Forms.Control	control	Reference on windows forms control. Can not be NULL.

CreateControlContainer()

Method create special container windows that will host attached control.

Declaration

protected virtual void CreateControlContainer()

Remarks

NOT implemented. Reserved for future enhancements. But can be overrided and implemented by user.

DetachFrame()

Detach scrollers frame from previously attached control.

Declaration

public void DetachFrame()

Dispose(Boolean)

Clean up any resources being used.

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing

GetControlName(String)

Overridden to gets the control name of the scroll frame.

Declaration

public override string GetControlName(string controlName)

Parameters

Type	Name	Description
System.String	controlName	The control name.

Returns

Type	Description
System.String	Returns the name of the control.

Overrides

BaseComponent.GetControlName(String)

GetGripperVisibility()

Gets visibility of the size gripper.

Declaration

protected bool GetGripperVisibility()

Returns

Type	Description
System.Boolean	true if gripper should be shown; otherwise false.

OnScrollerScroll(Object, ScrollEventArgs)

Declaration

protected virtual void OnScrollerScroll(object sender, ScrollEventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.Windows.Forms.ScrollEventArgs	e

OnThemeNameChanged(String)

Occurs when the theme name is changed.

Declaration

public override void OnThemeNameChanged(string themeName)

Parameters

Type	Name	Description
System.String	themeName	The theme name.

Overrides

BaseComponent.OnThemeNameChanged(String)

PreFilterMessage(ref Message)

Method filter parent control messages and according to them set scroller frame settings.

Declaration

public bool PreFilterMessage(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m	Windows message.

Returns

Type	Description
System.Boolean	True - allow forward of message, otherwise False.

ReflectRightToLeft()

Reflect Right to Left settings from parent control with respect to internal logic.

Declaration

protected virtual void ReflectRightToLeft()

Remarks

change RTL before SetParent calls. RTL force re-creation of the scroller handle!!!

ResetOffice2010ColorScheme()

Resets the office2010 color scheme.

Declaration

protected virtual void ResetOffice2010ColorScheme()

ResetOfficeColorScheme()

Resets the office color scheme.

Declaration

protected virtual void ResetOfficeColorScheme()

ResetVisualStyle()

Resets the office color scheme.

Declaration

protected virtual void ResetVisualStyle()

ShouldSerializeOffice2010ColorScheme()

Indicates whether the current value of the Office2010ColorScheme property is to be serialized.

Declaration

protected virtual bool ShouldSerializeOffice2010ColorScheme()

Returns

Type	Description
System.Boolean	a boolean value.

ShouldSerializeOfficeColorScheme()

Indicates whether the current value of the OfficeColorScheme property is to be serialized.

Declaration

protected virtual bool ShouldSerializeOfficeColorScheme()

Returns

Type	Description
System.Boolean

ShouldSerializeVisualStyle()

Indicates whether the current value of the OfficeColorScheme property is to be serialized.

Declaration

protected virtual bool ShouldSerializeVisualStyle()

Returns

Type	Description
System.Boolean

Update()

Refresh scroller frames internal settings and repaint.

Declaration

public void Update()

UpdateGripperVisibility()

Updates visibility of gripper.

Declaration

protected virtual void UpdateGripperVisibility()

UpdateParentInDragging()

If parent is being dragged, scrollers get invisible.

Declaration

protected virtual void UpdateParentInDragging()

WM_MouseMove(ref Message)

Method process a WM_MOUSEMOVE message.

Declaration

protected virtual bool WM_MouseMove(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Returns

Type	Description
System.Boolean

WM_Move(ref Message)

Method process a WM_MOVE message.

Declaration

protected virtual bool WM_Move(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Returns

Type	Description
System.Boolean

WmNcCalcSize(ref Message)

Method process WM_NSCALCSIZE message.

Declaration

protected virtual bool WmNcCalcSize(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Returns

Type	Description
System.Boolean

WmStyleChanged(ref Message)

Method process WM_STYLECHANGED message.

Declaration

protected virtual bool WmStyleChanged(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Returns

Type	Description
System.Boolean

WmWindowPosChanged(ref Message)

Method process WM_WINDOWPOSCHANGED message.

Declaration

protected virtual bool WmWindowPosChanged(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Returns

Type	Description
System.Boolean

Explicit Interface Implementations

IVisualStyle.VisualTheme

Declaration

string IVisualStyle.VisualTheme { get; set; }

Returns

Type	Description
System.String

Implements

IThemeProvider

System.IDisposable

System.Windows.Forms.IMessageFilter

IVisualStyle