ExpressionEditorUIHelper.RunExpressionEditor(ref String, IExpressionEditorView, ExpressionEditorContext, Func<String, String>) Method
Runs the Expression Editor with the specified settings.
Namespace: DevExpress.Data.Controls.ExpressionEditor
Assembly: DevExpress.Data.v23.2.dll
NuGet Package: DevExpress.Data
Declaration
public static bool RunExpressionEditor(
ref string expressionString,
IExpressionEditorView view,
ExpressionEditorContext context,
Func<string, string> validate
)Parameters
| Name | Type | Description |
|---|---|---|
| expressionString | String | A String value, specifying the expression. |
| 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). |
Returns
| Type | Description |
|---|---|
| Boolean | true, if the editor was closed by clicking the OK button; otherwise, false. |