Windows API Reference

Functions

Browse and search through the extensive library of Windows API functions.

• CreateWindowEx

  Creates an overlapping, pop-up, or child window. It specifies, among other things, a window class or a window class name, window title, styles, and the extended styles associated with the window.

• GetMessage

  Retrieves messages from the calling thread's message queue.

• DispatchMessage

  Sends a message to the appropriate window procedure (a function or method in an application-defined or library-defined procedure).

• RegisterClassEx

  Registers a window class with Windows. This function must be called before you can create any windows that belong to the class.

• PostQuitMessage

  Indicates to the system that a thread has made a request to terminate.

• SetWindowText

  Changes the text of the specified window's title bar (if the window has a title bar).

• MessageBox

  Creates, displays, and operates a message box. The message box is a dialog box that contains a specified message and title, along with any number of application-defined buttons.