FileManagerActionEventArgsBase.Cancel Property
Gets or sets a value indicating whether the action that raised the event should be canceled.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v21.2.dll
NuGet Package: DevExpress.Web
Declaration
Property Value
Type | Description |
---|---|
Boolean | true if the action that raised the event should be canceled; otherwise, false. |
Remarks
The FileManagerActionEventArgsBase object is passed to the events that fire before specific actions. The Cancel property of this object enables you to cancel the action that is about to be performed. Set this property to true to cancel the action that raised the event. In this case, if the FileManagerActionEventArgsBase.ErrorText property is specified, the explanatory message is shown.
Example
The code below demonstrates how you can handle the FolderCreating event, to prevent creation of child folders for the root folder.
The image below shows the result.
protected void ASPxFileManager1_FolderCreating(object source, DevExpress.Web.FileManagerFolderCreateEventArgs e) {
if (e.ParentFolder.FullName == "Files")
e.Cancel = true;
e.ErrorText = "You cannot create child folders for the root folder";
}