Sends the specified message to a window or windows. The SendMessage function calls the window procedure for the specified window and does not return until the window procedure has processed the message.

To send a message and return immediately, use the SendMessageCallback or SendNotifyMessage function. To post a message to a thread's message queue and return immediately, use the PostMessage or PostThreadMessage function.


Send A Message


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A handle to the window whose window procedure will receive the message. If this parameter is HWND_BROADCAST ((HWND)0xffff), the message is sent to all top-level windows in the system, including disabled or invisible unowned windows, overlapped windows, and pop-up windows; but the message is not sent to child windows.

If the specified window was created by the calling thread, the window procedure is called immediately as a subroutine. If the specified window was created by a different thread, the system switches to that thread and calls the appropriate window procedure. Messages sent between threads are processed only when the receiving thread executes message retrieval code. The sending thread is blocked until the receiving thread processes the message. However, the sending thread will process incoming nonqueued messages while waiting for its message to be processed. To prevent this, use SendMessageTimeout with SMTO_BLOCK set. For more information on nonqueued messages, see Nonqueued Messages.

An accessibility application can use SendMessage to send WM_APPCOMMAND messages to the shell to launch applications. This functionality is not guaranteed to work for other types of applications.

Trigger is Task is Overdue, Action is send channel message (under external actions if using slack) or you can do add comment and choose the variable of assignee so that it @'s them and sends and email. Screenshots below.

I want to know how to use it. I need to get some information back from an actor right after it was launched. It will be just one time message during the initialization phase of the program. Well, I could create my own queue, wait for reply and destroy it, but the 'wait for reply' message already exist, so I was trying to use it.

The only information I was able to find until now is in the LabVIEW Classes: The State of the Art posting. There is a 'Introduction to the Actor Framework.docx' file which mentions this type of messages, but I guess it is for some previous version of the AF. For example, the document mentions a Reply to Message method, which I cannot find at all in the Reply Msg class. I am just guessing that things changed and now we have the Do Core method instead,

What kind of information do you need from the actor? I just ask because I am working on some add-on and message making for the Actor Framework. I have already created an add-on which launches the actors in a way that it stores it's Actor core's clone number. I use it for identifying the actors that send messages. for this purpose I use exactly the "Send Message And Wait For Response" after the actor is launched, and get back the clone number in the reply variant. So if you need it for identifying the actors I suggest you to wait for me to post this add-on. I am at the very end of it, it will be ready in approx one week.

Only the Do Core should be overriden by the Reply Msg. Data is returned via the variant terminal. The Do vi handles the logic of the reply message and should not be overridden. This has not changed since the original AF.

Basically I am trying to break the rules and send sporadically piece of information from one actor to another, without going through the caller C. This representation is very simplified. In real it looks a little bit different, but it seemed to me that using an event will be the easiest way to accomplish this.

I would suggest reading this thread about "short circuiting the actor tree". What you want is the "registed listener" (named by Daklu and described by Allen). Since C launched A, you can store the Message Enqueuer in the private data of C. Before B is launched, have C bundle Actor A's Message Enqueuer into the private class data. You can then have B transmit data through standard Async messages (not user events).

I can not send any messages over. I can type in the box but whenever I try to send anything, the sent button will turn gray and load forever. Clearing all cookies, refreshing, and logging back in will solve the issue, but for this session only. If this page is closed, the next time I open ChatGPT will have the same issue.

For me its like I send a message and the send icon became black but the message is not sent and nothing happend other than this.

i use win 11 chrome internet is fine and also for the same thing on mac os

Hi everybody from Italy.

We have a Team subscription for 10 licenses, and after the first 2 days, ChatGPT no longer works for any of us.

Once logged in and after writing the GPT text, the send button no longer becomes active, and clicking on it does nothing.

Naturally, we have tried different browsers and also at our respective homes. Sometimes, it works in incognito mode but then, after a little while, it stops working there as well. However, it works for all of us if we use the App. Customer service has not responded, and this is a big problem for us given all the money spent. Do you have any ideas? Thanks

For example, a meeting was sheduled programmatically via the API. Later, the host starts the meeting and is waiting for the other party to join. Our application, the one that scheduled the meeting, learns that the other party will not be joining or will be late. I want to send an appropriate message to the host, in-meeting.

Currently we do not have this functionality available. But you can create an implementation at your end, where if the participant decides not to attend a meeting, you can send an email to the host notifying him of the same.

Although you cannot send in meeting messages, you can use the Send Message API to send a message to the participant that his meeting would be ending. Please note that the user should be logged in to the Zoom Client to see the message.

I need a way to post a message to all participants in an existing meeting while the meeting is active. It looks like the messages above indicate this is not possible with the current APIs, but I find that hard to understand, being such a basic operation. Is this true and is so, does anyone have a suggested alternative method?

I know you guys are super busy these days and probably have priorities, but there is something that can be done, it would be great to understand some rough timeline of when the most basic functionality can be added e.g 1 month, 3 months, 12 months?

I need your help in project i have been assigned ,i have to make api using elixir and Phoenix framework . I have made login / signup api but i have confusion in chat api ,i have to use websocket and store message , this is one to one using postgresql, tables made user and chat table, in which field are

user:

field :email, :string

field :mobileno, :string

field :password_hash, :string

field :username, :string

field :password, :string, virtual: true

I have a machine that gets queried via OPCUA at a fixed, regular rate (say 1 second).

This is done through a Gateway Event of my project.

Every now and then (say 10 minutes) the the machine returns new data (it's a 'slow' process).

When new data data are available, they get saved on the database by the gateway event script.

I don't want to query continuously the database. Infact, if I want the refresh to be prompt, the query rate should be hi (say 1 second) but since there are no new events but every 10 minutes, doing so I would put an high pressure on the database for little result, that is inefficient and potentially problematic for the other applications running on the same database.

Usually, the solution to this kind of problem is to have some type of message to be sent from the source (Gateway Script) to the application that needs to know that there are updates (perspective sessions).

So, the first question is: does Ignition offer specific support for this scenario? If not, is there a best practice that states how to cope with this problem?

My self-thought solution involves using a memory tag as a signal method, this would be set by the gateway script and queried in someway by perspective sessions; but I would like to hear from you regarding my previous question.

A memory tag that you update just after the data is saved in the database is probably the simplest method. (I would use a datetime memory tag and write system.date.now() to it.) The consumers in the UI would use a tag binding on a session or view or component custom property, with a change event to perform the necessary UI operations to redisplay content (probably a .refreshBinding() method call where the named query resides to make it run again).

A more complicated approach that avoids that problem would be to broadcast a message after saving in the database, and having message handlers cause the content redisplay. Take a close look at this topic, and the behavioral differences between system.util.sendMessage() and system.perspective.sendMessage() in regards to gateway scope broadcasts:

I needed all perspective sessions to update a page (if it's open of course) when an item is added to a database through a vision client.

So I sent a message to the gateway using system.util.sendMessage, caught that in the gateway events, then dispatched a message like this:

I'd use a memory tag bound in the pages that matter--have the gateway message handler set it (latest timestamp, perhaps). Or the vision client can update it. Only pages that care will notice, and Ignition will distribute to anyone who cares. (Other Vision clients, too, if it matters, and viewers connected via remote tag providers.) 152ee80cbc

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