Win32gui ^new^ -

: Every window in Windows is identified by a unique "Handle" (hWnd). win32gui allows you to retrieve these handles to resize, move, or hide windows.

print("Text written to Notepad")

def set_clipboard_text(text): win32clipboard.OpenClipboard() win32clipboard.EmptyClipboard() win32clipboard.SetClipboardText(text) win32clipboard.CloseClipboard() win32gui

You cannot install win32gui as a standalone package via pip; you must install the parent pywin32 package . pip install pywin32 Use code with caution. Copied to clipboard : Every window in Windows is identified by

# You need the callback to find the window handle def callback(hwnd, extra): if "Notepad" in win32gui.GetWindowText(hwnd): # Send a key press (Virtual Key Code for 'A') win32gui.PostMessage(hwnd, win32con.WM_CHAR, ord('A'), 0) pip install pywin32 Use code with caution

Unlike cross-platform UI automation libraries (e.g., PyAutoGUI , Selenium for web), win32gui directly calls the underlying Windows API. This gives it:

(Note: pywinauto actually uses win32gui under the hood)