LoadMenu() loads menu resource from executable and returns the handle to the menu.
ParametersName of the menu resource.
Handle to a newly loaded menu (HMENU).
Menu resource can be added using Insert -> Resource -> Menu in VC++ Editor. We inserted a menu resource named as IDR_MENU1 and then added this resource in project.
We added a top menu named as "File". We added additional sub menu items under this menu item. We need to add unique identities for each menu items.
Menu Demo output
Menu Demo code
We can load a menu resource and set it to a main window in three ways-
- Load Menu and supply handle to CreateWindow() as an argument,
- Load Menu and set this menu to the window using SetMenu
- Load Menu and set this menu to the window during window creation (WM_CREATE)
About our authors: Team EQA
MFC hides WinMain in its framework and includes source file on WinMain(). This explains how framework calls global CWinApp::Initinstance() from entry WinMain.
This is constructed during global C++ objects are constructed and is already available when Windows calls the WinMain function, which is supplied by the ...
Define a custom Window class structure, Register the class name, CreateWindow, Show windows and write message get and dispatch loop statements. Define the Window CallBack procedure and write the handlers.
DispatchMessage() is a API which indirectly triggers the Window CallBack procedure. Message structure members from this function are passed to the CallBack procedure. CallBack procedure should implement event handlers depending on the need of the application.
LPARAM and WPARAM are the two parameters in Window CallBack procedure. They signifies parameters of various events. They are used in handing individual events.
We need to write WinMain and need to follow all these in a Win32 application. However we need not to write much if we are writing an application with MFC ...
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