Click on a command or function name for details. Entries in large font are the most commonly used.
Go to entries starting with: E, I, M, S, W, #
| Name | Description | 
|---|---|
| { ... } (Block) | Blocks are one or more statements enclosed in braces. Typically used with function definitions and control flow statements. | 
| { ... } / Object() | Creates a scriptable associative array. | 
| [ ... ] / Array() | Creates a scriptable associative array with integer keys. | 
| Abs() | Returns the absolute value of the specified number. | 
| AutoTrim | Determines whether traditional assignments like Var1 = %Var2%omit spaces and tabs from the beginning and end of Var2. | 
| Asc() | Returns the numeric value of the first byte or UTF-16 code unit in the specified string. | 
| ASin() | Returns the arcsine (the number whose sine is the specified number) in radians. | 
| ACos() | Returns the arccosine (the number whose cosine is the specified number) in radians. | 
| ATan() | Returns the arctangent (the number whose tangent is the specified number) in radians. | 
| BlockInput | Disables or enables the user's ability to interact with the computer via keyboard and mouse. | 
| Break | Exits (terminates) any type of loop statement. | 
| Catch | Specifies the code to execute if an exception is raised during execution of a try statement. | 
| Ceil() | Returns the specified number rounded up to the nearest integer (without any .00 suffix). | 
| Chr() | Returns the string (usually a single character) corresponding to the character code indicated by the specified number. | 
| Click | Clicks a mouse button at the specified coordinates. It can also hold down a mouse button, turn the mouse wheel, or move the mouse. | 
| ClipWait | Waits until the clipboard contains data. | 
| ComObjActive() | Retrieves a registered COM object. | 
| ComObjArray() | Creates a SafeArray for use with COM. | 
| ComObjConnect() | Connects a COM object's event sources to functions with a given prefix. | 
| ComObjCreate() | Creates a COM object. | 
| ComObject() | Creates an object representing a typed value to be passed as a parameter or return value. | 
| ComObjEnwrap() / ComObjUnwrap() | Wraps/unwraps a COM object. | 
| ComObjError() | Enables or disables notification of COM errors. | 
| ComObjFlags() | Retrieves or changes flags which control a COM wrapper object's behaviour. | 
| ComObjGet() | Returns a reference to an object provided by a COM component. | 
| ComObjMissing() | Creates a "missing parameter" object to pass to a COM method. | 
| ComObjParameter() | Wraps a value and type to pass as a parameter to a COM method. | 
| ComObjQuery() | Queries a COM object for an interface or service. | 
| ComObjType() | Retrieves type information from a COM object. | 
| ComObjValue() | Retrieves the value or pointer stored in a COM wrapper object. | 
| Continue | Skips the rest of a loop statement's current iteration and begins a new one. | 
| Control | Makes a variety of changes to a control. | 
| ControlClick | Sends a mouse button or mouse wheel event to a control. | 
| ControlFocus | Sets input focus to a given control on a window. | 
| ControlGet | Retrieves various types of information about a control. | 
| ControlGetFocus | Retrieves which control of the target window has input focus, if any. | 
| ControlGetPos | Retrieves the position and size of a control. | 
| ControlGetText | Retrieves text from a control. | 
| ControlMove | Moves or resizes a control. | 
| ControlSend / ControlSendRaw | Sends simulated keystrokes to a window or control. | 
| ControlSetText | Changes the text of a control. | 
| CoordMode | Sets coordinate mode for various commands to be relative to either the active window or the screen. | 
| Cos() | Returns the trigonometric cosine of the specified number. | 
| Critical | Prevents the current thread from being interrupted by other threads, or enables it to be interrupted. | 
| DetectHiddenText | Determines whether invisible text in a window is "seen" for the purpose of finding the window. This affects commands, built-in functions and control flow statements such as WinExist() and WinActivate. | 
| DetectHiddenWindows | Determines whether invisible windows are "seen" by the script. | 
| DllCall() | Calls a function inside a DLL, such as a standard Windows API function. | 
| Drive | Ejects/retracts the tray in a CD or DVD drive, or sets a drive's volume label. | 
| DriveGet | Retrieves various types of information about the computer's drive(s). | 
| DriveSpaceFree | Retrieves the free disk space of the drive which contains the specified path, in megabytes. | 
| Edit | Opens the current script for editing in the associated editor. | 
| Else | Specifies one or more statements to execute if an If statement evaluates to false. | 
| EnvAdd | Sets a variable to the sum of itself plus the given value (can also add or subtract time from a date-time value). Synonymous with: Var += Value. | 
| EnvDiv | Sets a variable to itself divided by the given value. Synonymous with: Var /= Value. | 
| EnvGet | Retrieves an environment variable. | 
| EnvMult | Sets a variable to itself times the given value. Synonymous with: Var *= Value. | 
| EnvSet | Writes a value to a variable contained in the environment. | 
| EnvSub | Sets a variable to itself minus the given value (can also compare date-time values). Synonymous with: Var -= Value. | 
| EnvUpdate | Notifies the OS and all running applications that environment variable(s) have changed. | 
| Exception() | Creates an object with properties, also common to exceptions created by runtime errors. | 
| Exit | Exits the current thread or (if the script is not persistent) the entire script. | 
| ExitApp | Terminates the script. | 
| Exp() | Returns e (which is approximately 2.71828182845905) raised to the Nth power. | 
| FileAppend | Writes text to the end of a file (first creating the file, if necessary). | 
| FileCopy | Copies one or more files. | 
| FileCopyDir | Copies a folder along with all its sub-folders and files (similar to xcopy). | 
| FileCreateDir | Creates a folder. | 
| FileCreateShortcut | Creates a shortcut (.lnk) file. | 
| FileDelete | Deletes one or more files. | 
| FileEncoding | Sets the default encoding for FileRead, FileReadLine, Loop Read, FileAppend, and FileOpen(). | 
| FileExist() | Checks for the existence of a file or folder and returns its attributes. | 
| FileInstall | Includes the specified file inside the compiled version of the script. | 
| FileGetAttrib | Reports whether a file or folder is read-only, hidden, etc. | 
| FileGetShortcut | Retrieves information about a shortcut (.lnk) file, such as its target file. | 
| FileGetSize | Retrieves the size of a file. | 
| FileGetTime | Retrieves the datetime stamp of a file or folder. | 
| FileGetVersion | Retrieves the version of a file. | 
| FileMove | Moves or renames one or more files. | 
| FileMoveDir | Moves a folder along with all its sub-folders and files. It can also rename a folder. | 
| FileOpen() | Opens a file to read specific content from it and/or to write new content into it. | 
| FileRead | Reads a file's contents into a variable. | 
| FileReadLine | Reads the specified line from a file and stores the text in a variable. | 
| FileRecycle | Sends a file or directory to the recycle bin if possible, or permanently deletes it. | 
| FileRecycleEmpty | Empties the recycle bin. | 
| FileRemoveDir | Deletes a folder. | 
| FileSelectFile | Displays a standard dialog that allows the user to open or save file(s). | 
| FileSelectFolder | Displays a standard dialog that allows the user to select a folder. | 
| FileSetAttrib | Changes the attributes of one or more files or folders. Wildcards are supported. | 
| FileSetTime | Changes the datetime stamp of one or more files or folders. Wildcards are supported. | 
| Finally | Ensures that one or more statements are always executed after a Try statement finishes. | 
| Floor() | Returns the specified number rounded down to the nearest integer (without any .00 suffix). | 
| For | Repeats a series of commands once for each key-value pair in an object. | 
| Format() | Formats a variable number of input values according to a format string. | 
| FormatTime | Transforms a YYYYMMDDHH24MISS timestamp into the specified date/time format. | 
| Func() | Retrieves a reference to a function. | 
| GetKeyName() | Retrieves the name or text of a key. | 
| GetKeyVK() | Retrieves the virtual key code of a key. | 
| GetKeySC() | Retrieves the scan code of a key. | 
| GetKeyState | Checks if a keyboard key or mouse/joystick button is down or up. Also retrieves joystick status. | 
| GetKeyState() | Checks if a keyboard key or mouse/joystick button is down or up. Also retrieves joystick status. | 
| Gosub | Jumps to the specified label and continues execution until Return is encountered. | 
| Goto | Jumps to the specified label and continues execution. | 
| GroupActivate | Activates the next window in a window group that was defined with GroupAdd. | 
| GroupAdd | Adds a window specification to a window group, creating the group if necessary. | 
| GroupClose | Closes the active window if it was just activated by GroupActivate or GroupDeactivate. It then activates the next window in the series. It can also close all windows in a group. | 
| GroupDeactivate | Similar to GroupActivate except activates the next window not in the group. | 
| Gui | Creates and manages windows and controls. Such windows can be used as data entry forms or custom user interfaces. | 
| GuiControl | Makes a variety of changes to a control in a GUI window. | 
| GuiControlGet | Retrieves various types of information about a control in a GUI window. | 
| Hotkey | Creates, modifies, enables, or disables a hotkey while the script is running. | 
| Hotstring() | Creates, modifies, enables, or disables a hotstring while the script is running. | 
| If (expression) | Specifies one or more statements to execute if an expression evaluates to true. | 
| If (legacy) | Specifies one or more statements to execute if the comparison of a variable to a value evaluates to true. | 
| If var [not] between | Checks whether a variable's contents are numerically or alphabetically between two values (inclusive). | 
| If var [not] in/contains MatchList | Checks whether a variable's contents match one of the items in a list. | 
| If var is [not] type | Checks whether a variable's contents are numeric, uppercase, etc. | 
| IfEqual / IfNotEqual | Compares a variable to a value for equality. Synonymous with: if Var = Value|if Var != Value. | 
| IfExist / IfNotExist | Checks for the existence of a file or folder. | 
| IfGreater / IfGreaterOrEqual | Compares a variable to a value. Synonymous with: if Var > Value|if Var >= Value. | 
| IfInString / IfNotInString | Checks if a variable contains the specified string. | 
| IfLess / IfLessOrEqual | Compares a variable to a value. Synonymous with: if Var < Value|if Var <= Value. | 
| IfMsgBox | Checks which button was pushed by the user during the most recent MsgBox command. | 
| IfWinActive / IfWinNotActive | Checks if the specified window exists and is currently active (foremost). | 
| IfWinExist / IfWinNotExist | Checks if the specified window exists. | 
| IL_Create() IL_Add() IL_Destroy() | The means by which icons are added to a ListView or TreeView control. | 
| ImageSearch | Searches a region of the screen for an image. | 
| IniDelete | Deletes a value from a standard format .ini file. | 
| IniRead | Reads a value, section or list of section names from a standard format .ini file. | 
| IniWrite | Writes a value or section to a standard format .ini file. | 
| Input | Waits for the user to type a string. | 
| InputBox | Displays an input box to ask the user to enter a string. | 
| InputHook() | Creates an object which can be used to collect or intercept keyboard input. | 
| InStr() | Searches for a given occurrence of a string, from the left or the right. | 
| IsByRef() | Returns a non-zero number if the specified ByRef parameter was supplied with a variable. | 
| IsFunc() | Returns a non-zero number if the specified function exists in the script. | 
| IsLabel() | Returns a non-zero number if the specified label exists in the script. | 
| IsObject() | Returns a non-zero number if the specified value is an object. | 
| IsSet() | Returns a non-zero number if the specified variable has been assigned a value. | 
| KeyHistory | Displays script info and a history of the most recent keystrokes and mouse clicks. | 
| KeyWait | Waits for a key or mouse/joystick button to be released or pressed down. | 
| ListHotkeys | Displays the hotkeys in use by the current script, whether their subroutines are currently running, and whether or not they use the keyboard or mouse hook. | 
| ListLines | Displays the script lines most recently executed. | 
| ListVars | Displays the script's variables: their names and current contents. | 
| LoadPicture() | Loads a picture from file and returns a bitmap or icon handle. | 
| Log() | Returns the logarithm (base 10) of the specified number. | 
| Ln() | Returns the natural logarithm (base e) of the specified number. | 
| Loop (normal) | Performs a series of commands repeatedly: either the specified number of times or until break is encountered. | 
| Loop (files & folders) | Retrieves the specified files or folders, one at a time. | 
| Loop (parse a string) | Retrieves substrings (fields) from a string, one at a time. | 
| Loop (read file contents) | Retrieves the lines in a text file, one at a time (performs better than FileReadLine). | 
| Loop (registry) | Retrieves the contents of the specified registry subkey, one item at a time. | 
| LV_Add() LV_Delete() LV_DeleteCol() LV_GetCount() LV_GetNext() LV_GetText() LV_Insert() LV_InsertCol() LV_Modify() LV_ModifyCol() LV_SetImageList() | The means by which the rows and columns of a ListView control are added, modified or retrieved. | 
| Max() | Returns the highest value of one or more numbers. | 
| Menu | Creates, deletes, modifies and displays menus and menu items. Changes the tray icon and its tooltip. Controls whether the main window of a compiled script can be opened. | 
| MenuGetHandle() | Retrieves the Win32 menu handle of a menu. | 
| MenuGetName() | Retrieves the name of a menu given a handle to its underlying Win32 menu. | 
| Min() | Returns the lowest value of one or more numbers. | 
| Mod() | Modulo. Returns the remainder of the specified dividend divided by the specified divisor. | 
| MouseClick | Clicks or holds down a mouse button, or turns the mouse wheel. NOTE: The Click command is generally more flexible and easier to use. | 
| MouseClickDrag | Clicks and holds the specified mouse button, moves the mouse to the destination coordinates, then releases the button. | 
| MouseGetPos | Retrieves the current position of the mouse cursor, and optionally which window and control it is hovering over. | 
| MouseMove | Moves the mouse cursor. | 
| MsgBox | Displays the specified text in a small window containing one or more buttons (such as Yes and No). | 
| NumGet() | Returns the binary number stored at the specified address+offset. | 
| NumPut() | Stores a number in binary format at the specified address+offset. | 
| ObjAddRef() / ObjRelease() | Increments or decrements an object's reference count. | 
| ObjBindMethod() | Creates a BoundFunc object which calls a method of a given object. | 
| ObjClone() ObjCount() ObjDelete() ObjGetAddress() ObjGetCapacity() ObjHasKey() ObjInsert() ObjInsertAt() ObjLength() ObjMaxIndex() ObjMinIndex() ObjNewEnum() ObjPop() ObjPush() ObjRemove() ObjRemoveAt() ObjSetCapacity() | These functions are equivalent to built-in methods of the Object type. It is usually recommended to use the corresponding method instead. | 
| ObjGetBase() | Retrieves an object's base object. | 
| ObjRawGet() | Retrieves a key-value pair from an object, bypassing the object's meta-functions. | 
| ObjRawSet() | Stores or overwrites a key-value pair in an object, bypassing the object's meta-functions. | 
| ObjSetBase() | Sets an object's base object. | 
| OnClipboardChange() | Registers a function or function object to run whenever the clipboard's content changes. | 
| OnError() | Specifies a function to run automatically when an unhandled error occurs. | 
| OnExit | Specifies a subroutine to run automatically when the script exits. | 
| OnExit() | Specifies a callback function to run automatically when the script exits. | 
| OnMessage() | Specifies a function or function object to call automatically when the script receives the specified message. | 
| Ord() | Returns the ordinal value (numeric character code) of the first character in the specified string. | 
| OutputDebug | Sends a string to the debugger (if any) for display. | 
| Pause | Pauses the script's current thread. | 
| PixelGetColor | Retrieves the color of the pixel at the specified x,y coordinates. | 
| PixelSearch | Searches a region of the screen for a pixel of the specified color. | 
| PostMessage | Places a message in the message queue of a window or control. | 
| Process | Performs one of the following operations on a process: checks if it exists; changes its priority; closes it; waits for it to close. | 
| Progress | Creates or updates a window containing a progress bar. | 
| Random | Generates a pseudo-random number. | 
| RegExMatch() | Determines whether a string contains a pattern (regular expression). | 
| RegExReplace() | Replaces occurrences of a pattern (regular expression) inside a string. | 
| RegDelete | Deletes a subkey or value from the registry. | 
| RegRead | Reads a value from the registry. | 
| RegWrite | Writes a value to the registry. | 
| RegisterCallback() | Creates a machine-code address that when called, redirects the call to a function in the script. | 
| Reload | Replaces the currently running instance of the script with a new one. | 
| Return | Returns from a subroutine to which execution had previously jumped via function-call, Gosub, Hotkey activation, GroupActivate, or other means. | 
| Round() | Returns the specified number rounded to N decimal places. | 
| Run | Runs an external program. | 
| RunAs | Specifies a set of user credentials to use for all subsequent uses of Run and RunWait. | 
| RunWait | Runs an external program and waits until it finishes. | 
| SB_SetIcon() SB_SetParts() SB_SetText() | The means by which the bar of a StatusBar control is modified. | 
| Send / SendRaw / SendInput / SendPlay / SendEvent | Sends simulated keystrokes and mouse clicks to the active window. | 
| SendLevel | Controls which artificial keyboard and mouse events are ignored by hotkeys and hotstrings. | 
| SendMessage | Sends a message to a window or control and waits for acknowledgement. | 
| SendMode | Makes Send synonymous with SendInput or SendPlay rather than the default (SendEvent). Also makes Click and MouseMove/Click/Drag use the specified method. | 
| SetBatchLines | Determines how fast a script will run (affects CPU utilization). | 
| SetCapsLockState | Sets the state of CapsLock. Can also force the key to stay on or off. | 
| SetControlDelay | Sets the delay that will occur after each control-modifying command. | 
| SetDefaultMouseSpeed | Sets the mouse speed that will be used if unspecified in Click and MouseMove/Click/Drag. | 
| SetEnv (Var = Value) | Assigns the specified value to a variable. | 
| SetFormat | Sets the format of integers and floating point numbers generated by math operations. | 
| SetKeyDelay | Sets the delay that will occur after each keystroke sent by Send or ControlSend. | 
| SetMouseDelay | Sets the delay that will occur after each mouse movement or click. | 
| SetNumLockState | Sets the state of NumLock. Can also force the key to stay on or off. | 
| SetScrollLockState | Sets the state of ScrollLock. Can also force the key to stay on or off. | 
| SetRegView | Sets the registry view used by RegRead, RegWrite, RegDelete and registry loops, allowing them in a 32-bit script to access the 64-bit registry view and vice versa. | 
| SetStoreCapsLockMode | Whether to restore the state of CapsLock after a Send. | 
| SetTimer | Causes a subroutine to be launched automatically and repeatedly at a specified time interval. | 
| SetTitleMatchMode | Sets the matching behavior of the WinTitle parameter in commands such as WinWait. | 
| SetWinDelay | Sets the delay that will occur after each windowing command, such as WinActivate. | 
| SetWorkingDir | Changes the script's current working directory. | 
| Shutdown | Shuts down, restarts, or logs off the system. | 
| Sin() | Returns the trigonometric sine of the specified number. | 
| Sleep | Waits the specified amount of time before continuing. | 
| Sort | Arranges a variable's contents in alphabetical, numerical, or random order (optionally removing duplicates). | 
| SoundBeep | Emits a tone from the PC speaker. | 
| SoundGet | Retrieves various settings of a sound device (master mute, master volume, etc.) | 
| SoundGetWaveVolume | Retrieves the wave output volume of a sound device. | 
| SoundPlay | Plays a sound, video, or other supported file type. | 
| SoundSet | Changes various settings of a sound device (master mute, master volume, etc.) | 
| SoundSetWaveVolume | Changes the wave output volume of a sound device. | 
| SplashImage | Creates or updates a window containing an image. | 
| SplashTextOn / SplashTextOff | Creates or removes a customizable text popup window. | 
| SplitPath | Separates a file name or URL into its name, directory, extension, and drive. | 
| Sqrt() | Returns the square root of the specified number. | 
| StatusBarGetText | Retrieves the text from a standard status bar control. | 
| StatusBarWait | Waits until a window's status bar contains the specified string. | 
| StrGet() | Copies a string from a memory address, optionally converting it from a given code page. | 
| StringCaseSense | Determines whether string comparisons are case sensitive (default is "not case sensitive"). | 
| StringGetPos | Retrieves the position of the specified substring within a string. | 
| StringLeft | Retrieves a number of characters from the left-hand side of a string. | 
| StringLen | Retrieves the count of how many characters are in a string. | 
| StringLower | Converts a string to lowercase. | 
| StringMid | Retrieves one or more characters from the specified position in a string. | 
| StringReplace | Replaces the specified substring with a new string. | 
| StringRight | Retrieves a number of characters from the right-hand side of a string. | 
| StringSplit | Separates a string into an array of substrings using the specified delimiters. | 
| StringTrimLeft | Removes a number of characters from the left-hand side of a string. | 
| StringTrimRight | Removes a number of characters from the right-hand side of a string. | 
| StringUpper | Converts a string to uppercase. | 
| StrLen() | Retrieves the count of how many characters are in a string. | 
| StrPut() | Copies a string to a memory address, optionally converting it to a given code page. | 
| StrReplace() | Replaces the specified substring with a new string. | 
| StrSplit() | Separates a string into an array of substrings using the specified delimiters. | 
| SubStr() | Retrieves one or more characters from the specified position in a string. | 
| Suspend | Disables or enables all or selected hotkeys and hotstrings. | 
| Switch | Executes one case from a list of mutually exclusive candidates. | 
| SysGet | Retrieves screen resolution, multi-monitor info, dimensions of system objects, and other system properties. | 
| Tan() | Returns the trigonometric tangent of the specified number. | 
| Thread | Sets the priority or interruptibility of threads. It can also temporarily disable all timers. | 
| Throw | Signals the occurrence of an error. This signal can be caught by a try-catch statement. | 
| ToolTip | Creates an always-on-top window anywhere on the screen. | 
| Transform | Performs miscellaneous math functions, bitwise operations, and tasks such as ASCII/Unicode conversion. | 
| TrayTip | Creates a balloon message window near the tray icon. On Windows 10, a toast notification may be shown instead. | 
| Trim() / LTrim() / RTrim() | Trims characters from the beginning and/or end of a string. | 
| Try | Guards one or more statements (commands or expressions) against runtime errors and exceptions thrown by the throw command. | 
| TV_Add() TV_Delete() TV_Get() TV_GetChild() TV_GetCount() TV_GetNext() TV_GetParent() TV_GetPrev() TV_GetSelection() TV_GetText() TV_Modify() TV_SetImageList() | The means by which the items of a TreeView control are added, modified or retrieved. | 
| Until | Applies a condition to the continuation of a Loop or For-loop. | 
| UrlDownloadToFile | Downloads a file from the Internet. | 
| Var = Value | Assigns the specified value to a variable. | 
| Var := expression | Evaluates an expression and stores the result in a variable. | 
| VarSetCapacity() | Enlarges a variable's holding capacity or frees its memory. Normally, this is necessary only for unusual circumstances such as DllCall(). | 
| While-loop | Performs a series of commands repeatedly until the specified expression evaluates to false. | 
| WinActivate | Activates the specified window. | 
| WinActivateBottom | Same as WinActivate except that it activates the bottommost matching window rather than the topmost. | 
| WinActive() | Checks if the specified window is active and returns its unique ID (HWND). | 
| WinClose | Closes the specified window. | 
| WinExist() | Checks if the specified window exists and returns the unique ID (HWND) of the first matching window. | 
| WinGetActiveStats | Combines the functions of WinGetActiveTitle and WinGetPos into one command. | 
| WinGetActiveTitle | Retrieves the title of the active window. | 
| WinGetClass | Retrieves the specified window's class name. | 
| WinGet | Retrieves the specified window's unique ID, process ID, process name, or a list of its controls. It can also retrieve a list of all windows matching the specified criteria. | 
| WinGetPos | Retrieves the position and size of the specified window. | 
| WinGetText | Retrieves the text from the specified window. | 
| WinGetTitle | Retrieves the title of the specified window. | 
| WinHide | Hides the specified window. | 
| WinKill | Forces the specified window to close. | 
| WinMaximize | Enlarges the specified window to its maximum size. | 
| WinMenuSelectItem | Invokes a menu item from the menu bar of the specified window. | 
| WinMinimize | Collapses the specified window into a button on the task bar. | 
| WinMinimizeAll / WinMinimizeAllUndo | Minimizes or unminimizes all windows. | 
| WinMove | Changes the position and/or size of the specified window. | 
| WinRestore | Unminimizes or unmaximizes the specified window if it is minimized or maximized. | 
| WinSet | Makes a variety of changes to the specified window, such as "always on top" and transparency. | 
| WinSetTitle | Changes the title of the specified window. | 
| WinShow | Unhides the specified window. | 
| WinWait | Waits until the specified window exists. | 
| WinWaitActive / WinWaitNotActive | Waits until the specified window is active or not active. | 
| WinWaitClose | Waits until the specified window does not exist. | 
| #ClipboardTimeout | Changes how long the script keeps trying to access the clipboard when the first attempt fails. | 
| #CommentFlag | Changes the script's comment symbol from semicolon to some other string. | 
| #Delimiter | Changes the script's command parameter delimiter from comma to some other character. | 
| #DerefChar | Changes the script's dereference symbol from percent to some other character. | 
| #ErrorStdOut | Sends any syntax error that prevents a script from launching to the standard error stream (stderr) rather than displaying a dialog. | 
| #EscapeChar | Changes the script's escape character (e.g. backslash vs. accent). | 
| #HotkeyInterval | Along with #MaxHotkeysPerInterval, specifies the rate of hotkey activations beyond which a warning dialog will be displayed. | 
| #HotkeyModifierTimeout | Affects the behavior of hotkey modifiers: Ctrl, Alt, Win, and Shift. | 
| #Hotstring | Changes hotstring options or ending characters. | 
| #If | Creates context-sensitive hotkeys and hotstrings. Such hotkeys perform a different action (or none at all) depending on the result of an expression. | 
| #IfTimeout | Sets the maximum time that may be spent evaluating a single #If expression. | 
| #IfWinActive / #IfWinNotActive / #IfWinExist / #IfWinNotExist | Creates context-sensitive hotkeys and hotstrings. Such hotkeys perform a different action (or none at all) depending on the type of window that is active or exists. | 
| #Include / #IncludeAgain | Causes the script to behave as though the specified file's contents are present at this exact position. | 
| #InputLevel | Controls which artificial keyboard and mouse events are ignored by hotkeys and hotstrings. | 
| #InstallKeybdHook | Forces the unconditional installation of the keyboard hook. | 
| #InstallMouseHook | Forces the unconditional installation of the mouse hook. | 
| #KeyHistory | Sets the maximum number of keyboard and mouse events displayed by the KeyHistory window. You can set it to 0 to disable key history. | 
| #LTrim | Enables or disables trimming of indentation in continuation sections. | 
| #MaxHotkeysPerInterval | Along with #HotkeyInterval, specifies the rate of hotkey activations beyond which a warning dialog will be displayed. | 
| #MaxMem | Sets the maximum capacity of each variable to the specified number of megabytes. | 
| #MaxThreads | Sets the maximum number of simultaneous threads. | 
| #MaxThreadsBuffer | Causes some or all hotkeys to buffer rather than ignore keypresses when their #MaxThreadsPerHotkey limit has been reached. | 
| #MaxThreadsPerHotkey | Sets the maximum number of simultaneous threads per hotkey or hotstring. | 
| #MenuMaskKey | Changes which key is used to mask Win or Alt keyup events. | 
| #NoEnv | Avoids checking empty variables to see if they are environment variables (recommended for all new scripts). | 
| #NoTrayIcon | Disables the showing of a tray icon. | 
| #Persistent | Keeps a script permanently running (that is, until the user closes it or ExitApp is encountered). | 
| #Requires | Displays an error and quits if a version requirement is not met. | 
| #SingleInstance | Determines whether a script is allowed to run again when it is already running. | 
| #UseHook | Forces the use of the hook to implement all or some keyboard hotkeys. | 
| #Warn | Enables or disables warnings for specific conditions which may indicate an error, such as a typo or missing "global" declaration. | 
| #WinActivateForce | Skips the gentle method of activating a window and goes straight to the forceful method. |