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PdfViewerCommand

Class

Represents an abstract base class for commands that can be executed on a RadPdfViewer control.

Definition

Assembly:Telerik.Maui.Controls.dll

Syntax:

public abstract class PdfViewerCommand : NotifyPropertyChangedBase, INotifyPropertyChanged, ICommand

protected PdfViewerCommand()

Gets the RadPdfViewer control that this command is associated with.

public RadPdfViewer PdfViewer { get; }

Defines the method that determines whether the command can execute in its current state.

public abstract bool CanExecute(object parameter)

Parameters:parameterobject

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Returns:

true if this command can be executed; otherwise, false.

Defines the method to be called when the command is invoked.

public abstract void Execute(object parameter)

Parameters:parameterobject

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Raises the CanExecuteChanged event to notify that the command's execution state has changed.

public void RaiseCanExecuteChanged()

Occurs when changes occur that affect whether or not the command should execute.

public event EventHandler CanExecuteChanged