Retrieves the specified window's class name.

Class := WinGetClass(WinTitle, WinText, ExcludeTitle, ExcludeText)



Type: String, Integer or Object

A window title or other criteria identifying the target window. See WinTitle.


Type: String

If present, this parameter must be a substring from a single text element of the target window (as revealed by the included Window Spy utility). Hidden text elements are detected if DetectHiddenText is ON.


Type: String

Windows whose titles include this value will not be considered.


Type: String

Windows whose text include this value will not be considered.

Return Value

Type: String

This function returns the class name of the specified window.

Error Handling

A TargetError is thrown if the window could not be found.

An OSError is thrown on if the class name could not be retrieved.


Only the class name is retrieved (the prefix "ahk_class" is not included in the return value).

Window titles and text are case sensitive. Hidden windows are not detected unless DetectHiddenWindows has been turned on.

WinGetTitle, Win functions


Retrieves and reports the class name of the active window.

MsgBox "The active window's class is " WinGetClass("A")