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- Customization
- Use conditions
HSendMessageToClient (Function) In french: HEnvoieMessageVersClient
 Available only with this kind of connection
Displays a message on the client computers. The affected Client computers are those specified in the HClient structure.
// Message to all users of "MAILBOX" database
HClient.Database = "MAILBOX"
HSendMessageToClient("MyConnection", "Caution: You will be disconnected soon", 300)
// Message to the "Admin" user of "MyDatabase" database
HClient.Database = "MyDatabase"
HClient.Login = "Admin"
HSendMessageToClient("MyConnection", "Test for sending messages", 15)
// Message to all applications accessing Client.fic
// found in "MyDatabase"
HClient.Database = "MyDatabase"
HClient.File = "Customer.fic"
HSendMessageToClient("MyConnection", "You are using the Client file", 300)
// Message to all applications run on "Computer1"
// that use the "Admin" login
HClient.Computer = "Computer1"
HClient.Login = "Admin"
HSendMessageToClient("MyConnection", "Caution: You will be disconnected soon", 300)
Syntax
<Result> = HSendMessageToClient(<Connection> , <Message> , <Display duration>)
<Result>: Boolean - True if the operation was performed,
- False if a problem occurs.
HSendMessageToClient is a blocking function while the message is being sent to the server. The application continues to run once the message is received by the server.
<Connection>: Character string or Connection variable Connection to use. This connection corresponds to: <Message>: Character string Message that will be displayed on the client computer. <Display duration>: Integer ou Duration Display duration of message (in seconds). This parameter can be: - an integer corresponding to the number of seconds,
- a Duration variable,
- the duration in a readable format (e.g., 1 s).
Remarks Customization HOnServerCall is used to customize the management of message display on the client computer. Use conditions - To use this function, you must have:
- the "Rights to send messages to the client computers" (hRightsSendMessageToClient constant in HModifyServerRights).
- the "Rights to see the users and groups" (hRightsSeeUser constant in HModifyServerRights).
- The message will be sent to the users that the client calling the function is allowed to see.
- This function can be used to send a message to all the users of an HFSQL cluster.
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