Skip to main content

CheckButton.BindCommand<T>(Expression<Action<T>>, Object, Func<T>, Action<BaseButton, Func<Boolean>>) Method

Uses the command selector to find an appropriate parameterized command of the target type in the source and bind it to the CheckButton.

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v25.2.dll

NuGet Package: DevExpress.Win.Navigation

Declaration

public override IDisposable BindCommand<T>(
    Expression<Action<T>> commandSelector,
    object source,
    Func<T> queryCommandParameter = null,
    Action<BaseButton, Func<bool>> updateState = null
)

Parameters

Name Type Description
commandSelector Expression<Action<T>>

An Expression that selects the appropriate command from the source object.

source Object

An Object (typically, a ViewModel) where the commandSelector looks for the required command.

Optional Parameters

Name Type Default Description
queryCommandParameter Func<T> null

A Func delegate that passes the specific Object to the command as a parameter.

updateState Action<BaseButton, Func<Boolean>> null

Specifies whether the CheckButton is checked.

Type Parameters

Name Description
T

The type of a ViewModel that stores a bindable command.

Returns

Type Description
IDisposable

An IDisposable object. Disposing of this object unbinds the command from the CheckButton.

Remarks

BindCommand<T> supports the WinForms MVVM pattern. Refer to the following help topic for additional information: Commands.

The following code snippet binds a typed ViewModel command to a CheckButton:

using DevExpress.Utils.MVVM;

var fluent = MVVMContext.OfType<MyViewModel>(mvvmContext);
fluent.BindCommand<MyViewModel>(checkButton1, vm => vm.ToggleCommand());
See Also