ForeignCallback

ForeignCallback[…]

represents a foreign callback that can be called from external libraries.

Details

ForeignCallback is returned by functions such as CreateForeignCallback.
Information for a ForeignFunction may include the following properties:
"Function" callback function

"FunctionPointer" memory address
ForeignCallback is automatically unwrapped as a function pointer when passed as an argument to a ForeignFunction that expects a pointer.

Examples

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Basic Examples (1)

Load a foreign function that takes a function pointer:

Create a foreign callback function:

Call the foreign function and pass the foreign callback:

0²

0

1²

1

2²

4

3²

9

4²

16

5²

25

6²

36

7²

49

8²

64

9²

81

Read the output:

Scope (1)

Information (1)

Create a foreign callback:

Get Information about the callback:

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