SignalOuvre_objetSignalManuel (Function)

WINDEV, WEBDEV AND WINDEV MOBILE
ONLINE HELP

Version:

Home | Sign in | English

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

SignalOuvre_objetSignalManuel (Function)

In french: <Variable SignalManuel>.Ouvre

Opens a synchronization event between several threads.

Versions 21 and later

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

Example

// Create an event
Event_Letsgo is ManualEvent(eventClose)

// Run a first thread
ThreadExecute("Thread1", threadNormal, "Thread_First")
// Locks the current thread until the event is obtained
ThreadWaitSignal()
// Run a second thread
ThreadExecute("Thread2", threadNormal, "Thread_Second")

// Locks the current thread until the event is obtained
ThreadWaitSignal()

// Opens the event to run the threads
Event_Letsgo.Open()

PROCEDURE Thread_First()
Trace(dbgInfo(dbgProcess) + " - ThreadSendSignal(threadMain)")
ThreadSendSignal(threadMain)
Event_Letsgo.Wait()
Trace(dbgInfo(dbgProcess) + " - Event received")

PROCEDURE Thread_Second()
Trace(dbgInfo(dbgProcess) + " - ThreadSendSignal(threadMain)")
ThreadSendSignal(threadMain)
Event_Letsgo.Wait()
Trace(dbgInfo(dbgProcess) + " - Event received")

Syntax

<Event>.Open()

<Event>: ManualEvent variable

Name of a ManualEvent variable to open.

Remarks

This function is equivalent to the following syntax of EventChange:

EventChange(<Event>, eventOpen)
For a manual event: The event is opened.
- Pending threads: All the pending threads are processed.
- New threads: If other threads arrive while the event is still open, they are processed.

Component : wd250vm.dll