NavigationBarItem.BindCommand(Expression<Action>, Object, Func<Object>) Method

Uses the command selector to find an appropriate parameterized command in the source and bind it to this NavigationBarItem.

Namespace: DevExpress.XtraBars.Navigation

Assembly: DevExpress.XtraBars.v24.1.dll

NuGet Package: DevExpress.Win.Navigation

Declaration

C#

public virtual IDisposable BindCommand(
    Expression<Action> commandSelector,
    object source,
    Func<object> queryCommandParameter = null
)

VB.NET

Public Overridable Function BindCommand(
    commandSelector As Expression(Of Action),
    source As Object,
    queryCommandParameter As Func(Of Object) = Nothing
) As IDisposable

Parameters

Name	Type	Description
commandSelector	Expression<Action>	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<Object>	null	A Func delegate that passes the specific Object to the command as a parameter.

Returns

Type	Description
IDisposable	An IDisposable object. Disposing of this object unbinds the command from this NavigationBarItem.

Remarks

The BindCommand method supports the WinForms MVVM pattern. See the Commands topic to learn more.