ArgumentSemantic Enum
Definition
Important
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Represents the assignment semantics for properties.
public enum ArgumentSemantictype ArgumentSemantic = - Inheritance
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ArgumentSemantic
Fields
| Name | Value | Description |
|---|---|---|
| None | -1 | No argument semantics is specified. |
| Assign | 0 | Assigning is merely a pointer copy. This is identical to UnsafeUnretained |
| UnsafeUnretained | 0 | Merely performs a pointer copy in unmanaged code. This is identical to Assign. |
| Copy | 1 | A copy of the object is made. |
| Retain | 2 | The assigned object is retained (its reference count increased). This is identical to Strong. |
| Strong | 2 | The assigned object is retained (its reference count increased). This is identical to Retain. |
| Weak | 3 | A weak reference is created to the assigned object, and the property will automatically be nulled out when the assigned object is freed. |
Remarks
This is used to flag the behavior of properties when objects are assigned, these are used by the Xamarin.iOS / Xamarin.Mac runtime to properly track used objects and to garbage collect them when they are no longer required.