Class GradientPanel

Represents a class to apply the theme for the GradientPanel control.

Inheritance

System.Object

GradientPanel

Implements

IThemeProvider

IVisualStyle

IThemedControl

INonClientPaintingSupport

System.ComponentModel.ISupportInitialize

Namespace: Syncfusion.Windows.Forms.Tools

Assembly: Syncfusion.Shared.Base.dll

Syntax

public class GradientPanel : Panel, IThemeProvider, IVisualStyle, IThemedControl, INonClientPaintingSupport, ISupportInitialize

Constructors

GradientPanel()

Declaration

public GradientPanel()

Properties

BackgroundColor

The background color, gradient and other styles can be set through this property.

Declaration

public BrushInfo BackgroundColor { get; set; }

Property Value

Type
BrushInfo

Remarks

The GradientPanel control provides this property to enable specialized custom gradient backgrounds.

Border3DStyle

Gets or sets the style of the 3D border.

Declaration

public Border3DStyle Border3DStyle { get; set; }

Property Value

Type
System.Windows.Forms.Border3DStyle

BorderColor

Gets or sets the color of the 2D border.

Declaration

public virtual Color BorderColor { get; set; }

Property Value

Type
System.Drawing.Color

BorderSides

Gets or sets the border sides of the panel.

Declaration

public Border3DSide BorderSides { get; set; }

Property Value

Type
System.Windows.Forms.Border3DSide

BorderSingle

Gets or sets the 2D border style.

Declaration

public ButtonBorderStyle BorderSingle { get; set; }

Property Value

Type
System.Windows.Forms.ButtonBorderStyle

BorderStyle

Gets or sets the border style of the panel.

Declaration

public BorderStyle BorderStyle { get; set; }

Property Value

Type
System.Windows.Forms.BorderStyle

CanApplyTheme

Gets or sets a value indicating whether a SkinManager theme settings can be applied to the control.

Declaration

public bool CanApplyTheme { get; set; }

Property Value

Type	Description
System.Boolean	The default value is true.

Remarks

This property must be initialized before applying the VisualTheme />

CanOverrideStyle

Gets or sets a value indicating whether control elements styles can be overridden by theme style settings.

Declaration

public bool CanOverrideStyle { get; set; }

Property Value

Type	Description
System.Boolean	Default value is false.

Remarks

By default, the control's element styles will not be overridden by theme style settings if the style is set in sample level. If this property is enabled, element style will be overridden by theme style settings event if it is set in sample level. This property should be enabled or disabled before calling the ThemeName property of the control.

ControlName

Gets the name of the control.

Declaration

public string ControlName { get; }

Property Value

Type
System.String

CreateParams

Declaration

protected override CreateParams CreateParams { get; }

Property Value

Type
System.Windows.Forms.CreateParams

EnableTouchMode

Gets or Sets the touch mode

Declaration

public bool EnableTouchMode { get; set; }

Property Value

Type
System.Boolean

GradientBackground

Indicates whether the background will be drawn with the gradient.

Declaration

[Obsolete("This property will be removed in the future. Please use the BackgroundColor property instead.")]
public bool GradientBackground { get; set; }

Property Value

Type
System.Boolean

Remarks

This property will be removed in the future. Please use the BackgroundColor property instead.

GradientColors

Gets or sets the color array that defines the gradient.

Declaration

[Obsolete("This property will be removed in the future. Please use the BackgroundColor property instead.")]
public Color[] GradientColors { get; set; }

Property Value

Type
System.Drawing.Color[]

Remarks

This property will be removed in the future. Please use the BackgroundColor property instead.

IgnoreThemeBackground

Indicates whether the control will ignore the theme's background color and draw the backcolor instead.

Declaration

public bool IgnoreThemeBackground { get; set; }

Property Value

Type
System.Boolean

IsVisualStyleEnabled

Gets a value indicating whether the visual style based theme is applied to the control and also indicates whether the theme files are referred from external assemblies or not.

Declaration

public bool IsVisualStyleEnabled { get; }

Property Value

Type	Description
System.Boolean	Return true, if the visual style based theme is applied to the control. Otherwise returns false.

ScrollerFrame

Gets the ScrollerFrame

Declaration

public ScrollersFrame ScrollerFrame { get; }

Property Value

Type
ScrollersFrame

ThemedBorder

Declaration

protected bool ThemedBorder { get; set; }

Property Value

Type
System.Boolean

ThemeName

Gets or sets the theme name of the control.

Declaration

public string ThemeName { get; set; }

Property Value

Type	Description
System.String	The default value is null.

Remarks

This ThemeStyle settings will be applied only when the VisualStyleBased theme has been applied to the control.

ThemesEnabled

Indicates whether the control is themed.

Declaration

public bool ThemesEnabled { get; set; }

Property Value

Type
System.Boolean

ThemeStyle

Gets or sets the GradientPanelVisualStyle value used to customize the appearance of the GradientPanel.

Declaration

public GradientPanelVisualStyle ThemeStyle { get; set; }

Property Value

Type
GradientPanelVisualStyle

Remarks

This ThemeStyle settings will be applied only when the VisualStyleBased theme has been applied to the control.

UseCustomScrollerFrame

Gets or Sets whether to have custom scrollbar

Declaration

public bool UseCustomScrollerFrame { get; set; }

Property Value

Type
System.Boolean

VerticalGradient

Indicates whether the gradient is vertical.

Declaration

[Obsolete("This property will be removed in the future. Please use the BackgroundColor property instead.")]
public bool VerticalGradient { get; set; }

Property Value

Type
System.Boolean

Remarks

This property will be removed in the future. Please use the BackgroundColor property instead.

Methods

ApplyScaleToControl(Single)

Applies the scaling for controls

Declaration

public void ApplyScaleToControl(float scaleFactor)

Parameters

Type	Name	Description
System.Single	scaleFactor

BeginInit()

Signals the object that initialization is starting.

Declaration

public virtual void BeginInit()

CreateAccessibilityInstance()

Declaration

protected override AccessibleObject CreateAccessibilityInstance()

Returns

Type
System.Windows.Forms.AccessibleObject

Dispose(Boolean)

Cleans up any resources being used.

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing

EndInit()

Signals the object that initialization is complete.

Declaration

public virtual void EndInit()

GetActiveThemeName()

Gets the active theme name of the control.

Declaration

public virtual string GetActiveThemeName()

Returns

Type	Description
System.String	Returns the active theme name.

GetControlName(String)

Helps to override the ControlName property settings

Declaration

public virtual string GetControlName(string controlName)

Parameters

Type	Name	Description
System.String	controlName	ControlName

Returns

Type
System.String

OnBorder3DStyleChanged()

Declaration

protected virtual void OnBorder3DStyleChanged()

OnBorderColorChanged()

Declaration

protected virtual void OnBorderColorChanged()

OnBorderSidesChanged()

Declaration

protected virtual void OnBorderSidesChanged()

OnBorderSingleChanged()

Declaration

protected virtual void OnBorderSingleChanged()

OnBorderStyleChanged()

Declaration

protected virtual void OnBorderStyleChanged()

OnCanApplyThemeChanged(Boolean)

Helps to override the CanApplyTheme property settings

Declaration

public virtual void OnCanApplyThemeChanged(bool canApplyTheme)

Parameters

Type	Name	Description
System.Boolean	canApplyTheme

OnCanOverrideStyleChanged(Boolean)

Helps to override the CanOverriderStyle property settings

Declaration

public virtual void OnCanOverrideStyleChanged(bool canOverrideStyle)

Parameters

Type	Name	Description
System.Boolean	canOverrideStyle

OnFontChanged(EventArgs)

Font changed

Declaration

protected override void OnFontChanged(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnGradientBackgroundChanged()

Declaration

protected virtual void OnGradientBackgroundChanged()

OnGradientColorsChanged()

Declaration

protected virtual void OnGradientColorsChanged()

OnHandleCreated(EventArgs)

Declaration

protected override void OnHandleCreated(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnHandleDestroyed(EventArgs)

Declaration

protected override void OnHandleDestroyed(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnPaint(PaintEventArgs)

Declaration

protected override void OnPaint(PaintEventArgs e)

Parameters

Type	Name	Description
System.Windows.Forms.PaintEventArgs	e

OnPaintBackground(PaintEventArgs)

Declaration

protected override void OnPaintBackground(PaintEventArgs pevent)

Parameters

Type	Name	Description
System.Windows.Forms.PaintEventArgs	pevent

OnScroll(ScrollEventArgs)

Declaration

protected override void OnScroll(ScrollEventArgs se)

Parameters

Type	Name	Description
System.Windows.Forms.ScrollEventArgs	se

OnSizeChanged(EventArgs)

Declaration

protected override void OnSizeChanged(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnThemeChanged(EventArgs)

Declaration

protected virtual void OnThemeChanged(EventArgs e)

Parameters

Type	Name	Description
System.EventArgs	e

OnThemeNameChanged(String)

Helps to apply the ThemeName settings in control

Declaration

public virtual void OnThemeNameChanged(string themeName)

Parameters

Type	Name	Description
System.String	themeName	ThemeName

OnVerticalGradientChanged()

Declaration

protected virtual void OnVerticalGradientChanged()

RaiseThemeChanged(Object, ThemeChangedEventArgs)

Raises the ThemeNameChanged event when theme name changed.

Declaration

protected virtual void RaiseThemeChanged(object sender, ThemeChangedEventArgs args)

Parameters

Type	Name	Description
System.Object	sender	The sender value.
ThemeChangedEventArgs	args	A ThemeChangedEventArgs contains the event data.

RedrawBorders()

Declaration

protected virtual void RedrawBorders()

ThemedPaintBackground(Graphics, Rectangle, Rectangle)

Declaration

protected virtual void ThemedPaintBackground(Graphics graphics, Rectangle rect, Rectangle clip)

Parameters

Type	Name	Description
System.Drawing.Graphics	graphics
System.Drawing.Rectangle	rect
System.Drawing.Rectangle	clip

WndProc(ref Message)

Declaration

protected override void WndProc(ref Message m)

Parameters

Type	Name	Description
System.Windows.Forms.Message	m

Events

Border3DStyleChanged

Occurs when border's 3D style is changed.

Declaration

public event EventHandler Border3DStyleChanged

Event Type

Type
System.EventHandler

BorderColorChanged

Occurs when border color is changed.

Declaration

public event EventHandler BorderColorChanged

Event Type

Type
System.EventHandler

BorderSidesChanged

Occurs when border sides are changed.

Declaration

public event EventHandler BorderSidesChanged

Event Type

Type
System.EventHandler

BorderSingleChanged

Occurs when border's 2D style is changed.

Declaration

public event EventHandler BorderSingleChanged

Event Type

Type
System.EventHandler

BorderStyleChanged

Occurs when border style is changed.

Declaration

public event EventHandler BorderStyleChanged

Event Type

Type
System.EventHandler

GradientBackgroundChanged

Occurs when gradient background is changed.

Declaration

public event EventHandler GradientBackgroundChanged

Event Type

Type
System.EventHandler

GradientColorsChanged

Occurs when gradient colors are changed.

Declaration

public event EventHandler GradientColorsChanged

Event Type

Type
System.EventHandler

GradientPanelThemeChanged

Occurs when ThemesEnabled property is changed.

Declaration

public event EventHandler GradientPanelThemeChanged

Event Type

Type
System.EventHandler

ThemeNameChanged

Declaration

public event ThemeChangedEventHandler ThemeNameChanged

Event Type

Type
ThemeChangedEventHandler

VerticalGradientChanged

Occurs when vertical gradient is changed.

Declaration

public event EventHandler VerticalGradientChanged

Event Type

Type
System.EventHandler

Explicit Interface Implementations

INonClientPaintingSupport.NonClientPaint(PaintEventArgs, Rectangle, Rectangle)

Declaration

IntPtr INonClientPaintingSupport.NonClientPaint(PaintEventArgs e, Rectangle displayRect, Rectangle windowRectInScreen)

Parameters

Type	Name	Description
System.Windows.Forms.PaintEventArgs	e
System.Drawing.Rectangle	displayRect
System.Drawing.Rectangle	windowRectInScreen

Returns

Type
System.IntPtr

IVisualStyle.VisualTheme

Get or Set of Visual theme

Declaration

string IVisualStyle.VisualTheme { get; set; }

Returns

Type
System.String

IThemeProvider.BaseThemeName

Gets or sets the Base Theme name of the theme

Declaration

string IThemeProvider.BaseThemeName { get; set; }

Returns

Type
System.String

Implements

IThemeProvider

IVisualStyle

IThemedControl

INonClientPaintingSupport

System.ComponentModel.ISupportInitialize