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New WINDEV, WEBDEV, WINDEV Mobile 25 feature!
  • Customization
  • Use conditions
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Stored procedures
<Connection variable>.SendMessageToClient (Function)
In french: <Variable Connexion>.EnvoieMessageVersClient
HFSQL Client/ServerAvailable only with this kind of connection
Displays a message on the client computers. The affected Client computers are those listed in the HClient structure.
Remark: From version 19, HFSQL is the new name of HyperFileSQL.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 20 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 20
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Versions 22 and later
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
New in version 22
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
Example
// Describe the connection
MyConnection is Connection
...
// Message to all users of "MAILBOX" database
HClient.Database = "MAILBOX"
MyConnection.SendMessageToClient("Caution: You will be disconnected soon", 300)
// Describe the connection
MyConnection is Connection
...
// Message to the "Admin" user of "MyDatabase" database
HClient.Database = "MyDatabase"
HClient.Login = "Admin"
MyConnection.SendMessageToClient("Test for sending messages", 15)
// Describe the connection
MyConnection is Connection
...
// Message to all applications accessing Client.fic
// found in "MyDatabase"
HClient.Database = "MyDatabase"
HClient.File = "Customer.fic"
MyConnection.SendMessageToClient("You are using the Client file", 300)
// Describe the connection
MyConnection is Connection
...
// Message to all applications run on "Computer1"
//  that use the "Admin" login
HClient.Computer = "Computer1"
HClient.Login = "Admin"
MyConnection.SendMessageToClient("Caution: You will be disconnected soon", 300)
Syntax
<Result> = <Connection>.SendMessageToClient(<Message> , <Display duration>)
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred.
<Connection variable>.SendMessageToClient is a locking function while the message is being sent to the server. The application continues to run once the message is received by the server.
<Connection>: Connection variable
Name of the Connection variable that describes the connection to use.
<Message>: Character string (with quotes)
Message that will be displayed on the client computer.
<Display duration>: Integer ou Duration
Display duration of message (in seconds). This parameter can correspond to:
  • an integer corresponding to the number of seconds,
  • a Duration variable,
  • Versions 23 and later
    the direct indication of duration (1 s for example).
    New in version 23
    the direct indication of duration (1 s for example).
    the direct indication of duration (1 s for example).
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 message will be sent to the users that the client calling the function is allowed to see.
  • Versions 21 and later
    This function can be used to send a message to all the users of a HFSQL cluster.
    New in version 21
    This function can be used to send a message to all the users of a HFSQL cluster.
    This function can be used to send a message to all the users of a HFSQL cluster.
Component : wd250hf.dll
Minimum version required
  • Version 25
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