ExpressionEditorPresenter(ExpressionEditorModel, IExpressionEditorView, ExpressionEditorContext, Func<String, String>) Constructor

Initializes a new instance of the ExpressionEditorPresenter class with the specified settings.

Namespace: DevExpress.Data.Controls.ExpressionEditor

Assembly: DevExpress.Data.v24.2.dll

Declaration

C#

public ExpressionEditorPresenter(
    ExpressionEditorModel model,
    IExpressionEditorView view,
    ExpressionEditorContext context,
    Func<string, string> validate
)

VB.NET

Public Sub New(
    model As ExpressionEditorModel,
    view As IExpressionEditorView,
    context As ExpressionEditorContext,
    validate As Func(Of String, String)
)

Parameters

Name	Type	Description
model	ExpressionEditorModel	An ExpressionEditorModel object.
view	IExpressionEditorView	An object implementing the IExpressionEditorView interface.
context	ExpressionEditorContext	An ExpressionEditorContext object.
validate	Func<String, String>	A function delegate, providing additional expression validation on closing the editor with the specified expression (the first string) and error text (the second string). Validation is passed when this parameter is null or empty. Otherwise, the editor cannot be closed (this behavior is defined by the view’s default implementation).