You can also communicate to the Scintilla editor instances inside Notepad++ by using the Scintilla messages, which are documented at the Scintilla website, and the values can be found in Scintilla.h. The message IDs for each of these named messages, as well as the enums used with these messages, can be found in the source code in Notepad_plus_msgs.h. In cases when either wParam, lParam or both are not used, they must be set to 0. The values placed in those two parameters depend on the message, and are explained below. To send a message to Notepad++ you send its window handle together with the message ID, and two parameters, known as wParam and lParam. The extra content of the messages and notifications are different from each other, and are described in their respective sections below. Why both messages and notifications?īasically, a message may have a return value, and is usually thought as a query, though it can also command actions inside Notepad++.Ī notification, on the other hand, simply informs of some event and is more usually thought as a command.
These same techniques can also be used for editing macros (some of which use messages to control Notepad++), or when using one of the scripting plugins (which effectively make your script a mini-plugin). Where messages are sent by using Windows SendMessage api, notifications are sent by Notepad++ using WM_NOTIFY messages. Message and notifications share a similar interface. This is done by using messages and notifications. Plugins need to communicate with Notepad++ to get information from it or to instruct it to do some task. Plugin Communication Plugin Communication: Messages and Notifications
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