ArcGIS Pro 2.7 API Reference Guide
GetContentType Method

ArcGIS.Core.Data Namespace > Attachment Class : GetContentType Method
Gets the MIME type of the attached document. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public string GetContentType()
Public Function GetContentType() As String

Return Value

The MIME type of the attached document.
Exceptions
ExceptionDescription
A geodatabase-related exception has occurred.
Remarks
The MIME type should match the extension on the name of the attachment data provided. It can be any string provided. However, for applications in the ArcGIS platform to correctly open the attachment it must match the attached document. For example, to attach a png image file named 'FireTruck09.png', the ContentType would be: 'image/png'.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Attachment Class
Attachment Members