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

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v21.1.dll

Declaration

public virtual IDisposable BindCommand<T>(
    Expression<Action<T>> commandSelector,
    object source,
    Action<BaseButton, Func<bool>> updateState,
    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.

updateState Action<BaseButton, Func<Boolean>>

An Action that specifies whether this BaseButton is currently enabled.

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 BaseButton.

Remarks

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

See Also