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Stored procedures
Starts "collecting data" for the performance profiler.
Reminder: To start the performance profiler, press: [Shift] + [Windows] + [F10].
Once this function is called, all the processes performed are saved in a WPF file.
This file can be opened:
  • by the performance profiler.
  • in the editor of WINDEV, WEBDEV or WINDEV Mobile: on the "Home" pane, in the "General" group, expand "Open" and select "Open".
Example
ProfilerStart("Test_StartProcedure.wpf")
StartProcedure()
ProfilerEnd()
Syntax
ProfilerStart([<Name of WPF File>])
<Name of WPF File>: Optional character string
Location and name of the WPF file to create. The name of the WPF file can be built from the following elements:
[%ExeDir%]Directory of executable, always filled with the "\" character. This directory is equivalent to the result of fExeDir.
[%ExeName%]Name of the executable.
[%Date%]Start date for collecting information (YYYYMMDD format).
[%Time%]Start time for collecting information (HHMMSS format)
[%UserName%]Name of current user.
[%ComputerName%]Name of the computer.
Versions 18 and later
[%DataDir%]
New in version 18
[%DataDir%]
[%DataDir%]
Directory of HFSQL data files specified by the user when installing the application. This directory is equivalent to the result of fDataDir.
Versions 18 and later
[%DirUserData%]
New in version 18
[%DirUserData%]
[%DirUserData%]
Directory for the data of the current user of the current application. This directory is equivalent to the result of fDataDirUser.
By default:
  • the extension of the WPF file is ".wpf".
  • the name of the WPF file corresponds to: "[%UserDataDir%][%ExeName%]_[%Date%]_[%Time%]".
    For example: "C:\Users\Doc\AppData\Roaming\WINDEV applications\MyApp\MyApp_20161023_130812.wpf".
Versions 22 and later
Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:
ProfilerStart("[%DirUserData%][%exeName%]_[%Date%]_[%Time%]")
becomes
ProfilerStart(-%"[%DirUserData%][%ExeName%]_[%Date%]_[%Time%]")
New in version 22
Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:
ProfilerStart("[%DirUserData%][%exeName%]_[%Date%]_[%Time%]")
becomes
ProfilerStart(-%"[%DirUserData%][%ExeName%]_[%Date%]_[%Time%]")
Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:
ProfilerStart("[%DirUserData%][%exeName%]_[%Date%]_[%Time%]")
becomes
ProfilerStart(-%"[%DirUserData%][%ExeName%]_[%Date%]_[%Time%]")
Remarks
  • A WLanguage error occurs if ProfilerStart is used several times in the same process (without calling ProfilerEnd).
  • ProfilerStart has no effect in a 64-bit application.
Business / UI classification : Neutral code
Component : wd250vm.dll
Minimum version required
  • Version 9
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