'Declaration Public Property FileTypeMustMatchFilter As Boolean
public bool FileTypeMustMatchFilter {get; set;}
The HtmlBoxUpload.Filter property specifies the types of files displayed in the "file browser" of the upload. If this property is true, all uploaded files will be compared to the WebHtmlEditor.Filter property. If the file type does not match, the file is not uploaded and an error message is displayed.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2