====== Modal Sessions ======

{{tag>actionstep documentation}}

This page provides implementation-specific information on modal sessions and sheets.

**General Callback Stack**

^ variable/method ^ callback ^ selector |
^ m_modalCallback/Selector| NSApplication | modalWin |
^ NSApplication.modalSession() | <callback> | <selector> |

**Sheet Callback Stack**

^ variable/method ^ callback ^ selector |
^ ... | ... | ... |
^ NSApplication.modalSession() | NSApplication | sheetCallback |
^ NSApplication.sheetCallback() | <delegate> | <callback> |