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

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

Namespace: DevExpress.XtraNavBar

Assembly: DevExpress.XtraNavBar.v24.1.dll

NuGet Packages: DevExpress.Win, DevExpress.Win.Navigation

Declaration

public IDisposable BindCommand<T>(
    Expression<Action<T>> commandSelector,
    object source,
    Func<T> queryCommandParameter = 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.

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 this NavBarItem.

Remarks

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

See Also