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If UseErrorLevel is in effect and the launch failed, the word ERROR is stored.
Other words for running though code#
RunWait: Sets ErrorLevel to the program's exit code (a signed 32-bit integer). Run: Does not set ErrorLevel unless UseErrorLevel (above) is in effect, in which case ErrorLevel is set to the word ERROR upon failure or 0 upon success. For more information, see Runtime Errors. : This command is able to throw an exception on failure. To wait for at least one window to be created, use WinWait ahk_pid %OutputVarPID%.
Other words for running though windows#
RunWait also supports this parameter, though its OutputVarPID must be checked in another thread (otherwise, the PID will be invalid because the process will have terminated by the time the line following RunWait executes).Īfter the Run command retrieves a PID, any windows to be created by the process might not exist yet. The variable will be made blank if the PID could not be determined, which usually happens if a system verb, document, or shortcut is launched rather than a direct executable file. The name of the variable in which to store the newly launched program's unique Process ID (PID). However, A_LastError is also set by DllCall(). Like ErrorLevel, A_LastError is a per-thread setting that is, interruptions by other threads cannot change it. Each number corresponds to a specific error condition (to get a list, search for "system error codes"). Zero (0) means success, but any other number means the launch failed. A_LastError is a number between 967295 (always formatted as decimal, not hexadecimal). When UseErrorLevel is specified, the variable A_LastError is set to the result of the operating system's GetLastError() function. If the launch succeeds, RunWait sets ErrorLevel to the program's exit code, and Run sets it to 0. If the launch fails, this option skips the warning dialog, sets ErrorLevel to the word ERROR, and allows the current thread to continue. UseErrorLevel: UseErrorLevel can be specified alone or in addition to one of the above words (by separating it from the other word with a space). Calc.exe) do not obey the requested startup state and thus Max/Min/Hide will have no effect. Hide: launch hidden (cannot be used in combination with either of the above) To change this behavior, specify one or more of the following words: If omitted, the command launches Target normally and shows a warning dialog whenever Target could not be launched. If omitted, the script's own working directory ( A_WorkingDir) will be used. Do not enclose the name in double quotes even if it contains spaces. The working directory for the launched item. If a parameter contains spaces, it is safest to enclose it in double quotes (even though it may work without them in some cases). To pass parameters, add them immediately after the program or document name.
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by being contained in one of the PATH folders. If no matching file is found there, the system will search for and launch the file if it is integrated ("known"), e.g. If Target is a local file and no path was specified with it, A_WorkingDir will be searched first. bat, etc.), shortcut (.lnk), or system verb to launch (see remarks). Run, Target, WorkingDir, Options, OutputVarPID RunWait, Target, WorkingDir, Options, OutputVarPID Parameters TargetĪ document, URL, executable file (.exe. Run / RunWait - Syntax & Usage | AutoHotkey Run / RunWait