Class DelegateCommand
Inheritance
System.Object
DelegateCommand
Implements
System.Windows.Input.ICommand
Namespace: Syncfusion.Windows.Shared
Assembly: Syncfusion.Shared.WPF.dll
Syntax
public class DelegateCommand : Object, ICommandConstructors
DelegateCommand(Action<Object>)
Initializes a new instance of the DelegateCommand class.
Declaration
public DelegateCommand(Action<object> executeAction)Parameters
| Type | Name | Description |
|---|---|---|
| System.Action<System.Object> | executeAction | The execute action. |
DelegateCommand(Action<Object>, Predicate<Object>)
Initializes a new instance of the DelegateCommand class.
Declaration
public DelegateCommand(Action<object> executeAction, Predicate<object> canExecute)Parameters
| Type | Name | Description |
|---|---|---|
| System.Action<System.Object> | executeAction | The execute action. |
| System.Predicate<System.Object> | canExecute | The can execute. |
Methods
CanExecute(Object)
Defines the method that determines whether the command can execute in its current state.
Declaration
public bool CanExecute(object parameter)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | parameter | Data used by the command. If the command does not require data to be passed, this object can be set to null. |
Returns
| Type | Description |
|---|---|
| System.Boolean | true if this command can be executed; otherwise, false. |
Execute(Object)
Defines the method to be called when the command is invoked.
Declaration
public void Execute(object parameter)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | parameter | Data used by the command. If the command does not require data to be passed, this object can be set to null. |
RaiseCanExecuteChanged()
Raises CanExecuteChanged event to notify changes in command status.
Declaration
public void RaiseCanExecuteChanged()Events
CanExecuteChanged
Declaration
public event EventHandler CanExecuteChangedEvent Type
| Type |
|---|
| System.EventHandler |
Implements
System.Windows.Input.ICommand