Class SfSignaturePad

Inheritance

System.Object

SfSignaturePad

Implements

Microsoft.Maui.IView

Microsoft.Maui.IElement

Microsoft.Maui.ITransform

Namespace: Syncfusion.Maui.SignaturePad

Assembly: Syncfusion.Maui.SignaturePad.dll

Syntax

public class SfSignaturePad : View, ISignaturePad, IView, IElement, ITransform, IParentThemeElement, IThemeElement

Constructors

SfSignaturePad()

Initialize SignaturePad

Declaration

public SfSignaturePad()

Fields

MaximumStrokeThicknessProperty

The backing store for the MaximumStrokeThickness field.

Declaration

public static readonly BindableProperty MaximumStrokeThicknessProperty

Field Value

Type
Microsoft.Maui.Controls.BindableProperty

MinimumStrokeThicknessProperty

The backing store for the MinimumStrokeThickness field.

Declaration

public static readonly BindableProperty MinimumStrokeThicknessProperty

Field Value

Type
Microsoft.Maui.Controls.BindableProperty

StrokeColorProperty

The backing store for the StrokeColor field.

Declaration

public static readonly BindableProperty StrokeColorProperty

Field Value

Type
Microsoft.Maui.Controls.BindableProperty

Properties

MaximumStrokeThickness

Gets or sets the minimum stroke thickness of the signature.

Declaration

public double MaximumStrokeThickness { get; set; }

Property Value

Type	Description
System.Double	double

<signaturePad:SfSignaturePad MaximumStrokeThickness = "5" />

SfSignaturePad signaturePad = new SfSignaturePad() { MaximumStrokeThickness = 5 };

MinimumStrokeThickness

Gets or sets the maximum stroke thickness of the signature.

Declaration

public double MinimumStrokeThickness { get; set; }

Property Value

Type	Description
System.Double	double

Examples

XAML
C#

<signaturePad:SfSignaturePad MinimumStrokeThickness = "1" />

SfSignaturePad signaturePad = new SfSignaturePad() { MinimumStrokeThickness = 1 };

StrokeColor

Gets or sets the stroke color of the signature.

Declaration

public Color StrokeColor { get; set; }

Property Value

Type	Description
Microsoft.Maui.Graphics.Color	Defaults to `Microsoft.Maui.Graphics.Colors.Black`

Examples

XAML
C#

<signaturePad:SfSignaturePad StrokeColor = "Red" />

SfSignaturePad signaturePad = new SfSignaturePad() { StrokeColor = Colors.Red };

Methods

Clear()

Clears the drawn signature in the SfSignaturePad.

Declaration

public void Clear()

Examples

XAML
C#

<signaturePad:SfSignaturePad x:Name="signature" /> 
<Button Text = "Clear" Clicked="OnClearButtonClicked" />

SfSignaturePad signature = new SfSignaturePad() 
private void OnClearButtonClicked(object sender, EventArgs e)
{
 signature.Clear(); 
}

GetSignaturePoints()

Method used to get the interaction point collections.

Declaration

public List<List<float>> GetSignaturePoints()

Returns

Type
System.Collections.Generic.List<System.Collections.Generic.List<System.Single>>

MeasureOverride(Double, Double)

Declaration

protected override Size MeasureOverride(double widthConstraint, double heightConstraint)

Parameters

Type	Name	Description
System.Double	widthConstraint
System.Double	heightConstraint

Returns

Type
Microsoft.Maui.Graphics.Size

ToImageSource()

Gets the drawn signature in the SfSignaturePad as an image.

Declaration

public ImageSource ToImageSource()

Returns

Type
Microsoft.Maui.Controls.ImageSource

Examples

XAML
C#

<signaturePad:SfSignaturePad x:Name="signature" /> 
<Button Text = "To Image" Clicked="OnSaveButtonClicked" />

SfSignaturePad signature = new SfSignaturePad() 
private void OnSaveButtonClicked(object sender, EventArgs e)
{
 ImageSource? image = signature.ToImageSource();
}

Events

DrawCompleted

Occurs when the drawing is completed in the SfSignaturePad.

Declaration

public event EventHandler<EventArgs> DrawCompleted

Event Type

Type
System.EventHandler<System.EventArgs>

Examples

XAML
C#

<signaturePad:SfSignaturePad DrawCompleted="OnDrawCompleted" />

SfSignaturePad signature = new SfSignaturePad() {  DrawCompleted += OnDrawCompleted };
private void OnDrawCompleted(object? sender, EventArgs e)
{
}

DrawStarted

Occurs when starts drawing in the SfSignaturePad.

Declaration

public event EventHandler<CancelEventArgs> DrawStarted

Event Type

Type
System.EventHandler<System.ComponentModel.CancelEventArgs>

Examples

XAML
C#

<signaturePad:SfSignaturePad DrawStarted="OnDrawStarted" />

SfSignaturePad signature = new SfSignaturePad() {  DrawStarted += OnDrawStarted };
private void OnDrawStarted(object? sender, CancelEventArgs e)
{
}

Implements

Microsoft.Maui.IView

Microsoft.Maui.IElement

Microsoft.Maui.ITransform