TraceStart (Function)

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Use conditions according to the platforms
Closing the trace window

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WEBDEV

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TraceStart (Function)

Advertencia
A partir de la versión 17 (78), StartTrace se conserva por motivos de compatibilidad. Esta función ha sido reemplazada por TraceStart.

Opens the trace window or saves the trace information in a text file.

Remarks:

TraceStart has no effect if the trace window is already opened.
TraceStart is optional. The first call to Trace or to TraceBuild automatically opens the trace window.

Ejemplo

// Ouvre la fenêtre de trace
TraceStart()
...
// Ecrit dans la fenêtre de trace
Trace("Résultat du calcul: " + ResCalcul)

// Désactiver les appels à la fonction Trace
TraceStart(trDisable)
...
Trace("Résultat du calcul: " + ResCalcul) // Fonction Trace sans effet

Sintaxis

TraceStart([<Characteristic> [, <Trace file>]])

<Characteristic>: Optional constant

Characteristics of trace:
Novedad versión 2024
trConsole
The trace is redirected to the console.
This constant is not available.
trCreation Clears the trace file.
trDisable All the calls to Trace will be ignored.
trFile The trace window will not be displayed anymore and the information found in the trace window will be saved in the file named <Trace file>.

trTopMost The trace window will be displayed above all the system windows.
This constant is not available.
trWindow
(Default value) The trace window is displayed in the upper-left corner of the screen.

The trace window will not be displayed when starting the application.
the requested information will be displayed in the window for standard output of Xcode.
the requested information will be stored in the application log (at runtime or in emulation mode). This log can be viewed when the device is connected via USB or when using the emulator from the DDMS application provided with the Android SDK.

trWindow + trFile The trace window will be displayed and the content of the trace window will also be saved in the file named <Trace file>.

<Trace file>: Optional character string

Name and full path of the file where the information found in the trace window will be saved. If this parameter is not specified, the trace file will be created at the root of the "C" drive and its name will have the following format "Trace_<ProjectName>.txt".
If this parameter is not specified, the file is created in the current directory of the application (known via fCurrentDir) under the name, "Trace_<ProjectName>.txt".

If this parameter is not specified, the file is created in the data directory of the application (returned by fDataDir) and it is named "Trace_<ProjectName>.txt".

If this parameter is not specified, the file is created in the "documents" directory of the application and it is named "Trace_<ProjectName>.txt".

Observaciones

Use conditions according to the platforms

TraceStart is used to save the requested information:

in the application log (at runtime or in emulator mode). This log can be viewed when the device is connected via USB or when using the emulator from the DDMS application provided with the Android SDK.
in a specific text file.

TraceStart is used to:

display the requested information in the window for standard output of Xcode.
save the requested information in a specific text file.

Closing the trace window

TraceEnd is used to close the trace window.

If the trFile constant is specified, TraceEnd stops saving to the trace file.

Componente: wd290vm.dll

Ver también

Versión mínima requerida

Versión 9

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Comentarios

Video Trace

https://youtu.be/scI5wQu-jXk
//
fDelete("C:\TEMP\ARQUIVO.TXT") // ELIMINA ARQUIVOS CASO JA EXISTA
TraceStart(trFile+trWindow,"C:\TEMP\ARQUIVO.TXT")
FOR EACH cliente // ESTOU PERCORRENDO A TABELA CLIENTE // I AM PERCURRING THE CLIENT TABLE // Je passe à la table des clients
Trace(cliente.id_cliente+"|"+cliente.razao_social_nome+"|")
END
TraceEnd() // FINALIZANDO O TRACE // FINISHING THE TRACE // FINITION DE LA TRACE
ShellExecute("C:\TEMP\ARQUIVO.TXT")

amarildo

30 12 2018

Última modificación: 24/05/2024

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