get_child_index() [1/2]

size_t xtd::forms::control::get_child_index

(

intptr

child

)

const

Retrieves the index of a control within the control collection.

Parameters

child

The control to search for in the control collection.

Returns

A zero-based index value that represents the location of the specified child control within the control collection.

Exceptions

xtd::argument_exception

The child control is not in the control::control_collection.