SPItemEventReceiver.ItemAttachmentAdding Method
Handles the synchronous event that occurs before an attachment is added to an item.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Syntax
'Declaration
Public Overridable Sub ItemAttachmentAdding ( _
properties As SPItemEventProperties _
)
'Usage
Dim instance As SPItemEventReceiver
Dim properties As SPItemEventProperties
instance.ItemAttachmentAdding(properties)
public virtual void ItemAttachmentAdding(
SPItemEventProperties properties
)
Parameters
properties
Type: Microsoft.SharePoint.SPItemEventPropertiesThe properties of the event handler.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | properties is null . |
Remarks
This event occurs when an attachment is being added to a list item, but no other updates occur. This event occurs before the ItemUpdating event if other changes are made to the item.