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PdfViewerDoubleTappedCommand

Class

Represents a command that handles double-tap gestures in the PDF viewer. This command toggles between fit-to-width and magnified zoom levels when the user double-taps on the PDF document.

Definition

Namespace:Telerik.Maui.Controls.PdfViewer

Assembly:Telerik.Maui.Controls.dll

Syntax:

public class PdfViewerDoubleTappedCommand : PdfViewerCommand, INotifyPropertyChanged, ICommand

Inheritance: objectNotifyPropertyChangedBasePdfViewerCommandPdfViewerDoubleTappedCommand

Implements: ICommandINotifyPropertyChanged

Inherited Members PdfViewerCommand.RaiseCanExecuteChanged()PdfViewerCommand.PdfViewerPdfViewerCommand.CanExecuteChangedNotifyPropertyChangedBase.OnPropertyChanged(string)NotifyPropertyChangedBase.UpdateValue<T>(ref T, T, string)NotifyPropertyChangedBase.UpdateValue<T>(ref T, T, Action<T>, string)NotifyPropertyChangedBase.PropertyChanged...

Constructors

PdfViewerDoubleTappedCommand()

public PdfViewerDoubleTappedCommand()

Methods

CanExecute(object)

Determines whether the command can be executed with the specified parameter.

public override bool CanExecute(object parameter)

Parameters:parameterobject

The parameter to check, expected to be a Point representing the tap location.

Returns:

bool

true if the parameter is a Point and the PDF document has pages; otherwise, false.

Overrides: PdfViewerCommand.CanExecute(object)

Execute(object)

Executes the double-tap command by toggling between fit-to-width and magnified zoom levels. The command first attempts to fit the document to width, then applies magnification on subsequent taps.

public override void Execute(object parameter)

Parameters:parameterobject

The Point representing the location where the double-tap occurred.

Overrides: PdfViewerCommand.Execute(object)