WordPress at a glance
function is not described

_wp_dashboard_control_callback() WP 2.7.0

Outputs controls for the current dashboard widget.

No Hooks.

Return

Nothing (null).

Usage

_wp_dashboard_control_callback( $dashboard, $meta_box );
$dashboard(mixed) (required)
$meta_box(array) (required)

Code of wp dashboard control callback: wp-admin/includes/dashboard.php VER 5.0.3

<?php
function _wp_dashboard_control_callback( $dashboard, $meta_box ) {
	echo '<form method="post" class="dashboard-widget-control-form wp-clearfix">';
	wp_dashboard_trigger_widget_control( $meta_box['id'] );
	wp_nonce_field( 'edit-dashboard-widget_' . $meta_box['id'], 'dashboard-widget-nonce' );
	echo '<input type="hidden" name="widget_id" value="' . esc_attr($meta_box['id']) . '" />';
	submit_button( __('Submit') );
	echo '</form>';
}