CLOSING IN A WINDOW REGISTRATION
CLOSING IN A WINDOW CODE
CLOSING IN A WINDOW WINDOWS

Up the paramters for CreateWindowEx() (as you should ALWAYS do when using a new API call), Once the class is registered, we can create a window with it. Which says so and abort the program by returning from the WinMain() function. We then call RegisterClassEx() and check for failure, if it fails we pop up a message You are lost without.Д®ventually you will come to know the parameters to the functions you use most.

To call then it is a matter of seconds to look up the exact parameters in your This is a waste of effort and, more importantly, time. I rarely (never) memorize structs, or function parameters, Another thing to remember is to not tryДЄnd remember this stuff. HIconSm Small (usually 16x16) icon to show in the taskbar and in the top left corner of the window.Дon't worry if that doesn't make much sense to you yet, the various parts thatД¬ount will be explained more later. LpszClassName Name to identify the class with.

CLOSING IN A WINDOW WINDOWS

LpszMenuName Name of a menu resource to use for the windows with this class. HbrBackground Background Brush to set the color of our window. HCursor Cursor that will be displayed over our window. HIcon Large (usually 32x32) icon shown when the user presses Alt+Tab.

HInstance Handle to application instance (that we got in the first parameter of WinMain()). Usually 0.Д¬bWndExtra Amount of extra data allocated in memory per window of this type. LpfnWndProc Pointer to the window procedure for this window class.Д¬bClsExtra Amount of extra data allocated for this class in memory. Style Class Styles ( CS_*), not to be confused with Window Styles ( WS_*) This can usually be set to 0. The members of the struct affect the window class as follows: We fill out the members of a WNDCLASSEX structure and call

CLOSING IN A WINDOW CODE

This is the code we use in WinMain() to register our window class. To register our window class with the system. The variable above stores the name of our window class, we will use it shortly Most of the attributes you set in the window class can be changed on a per-windowДЄ Window Class has NOTHING to do with C++ classes. This way, you can register a class once, and createДЄs many windows as you want from it, without having to specify all those attributes overДЄnd over. Window Procedure which controls the window, the small and large icons for the To compile then this one should work with no problems.ДЄ Window Class stores information about a type of window, including it's MessageBox(NULL, 'Window Creation Failed!', 'Error!',ДЇor most part this is the simplest windows program you can write that actuallyД¬reates a functional window, a mere 70 or so lines.

CLOSING IN A WINDOW REGISTRATION

MessageBox(NULL, 'Window Registration Failed!', 'Error!',

Wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION) Wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) Wc.hCursor = LoadCursor(NULL, IDC_ARROW) Wc.hIcon = LoadIcon(NULL, IDI_APPLICATION) Int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, Return DefWindowProc(hwnd, msg, wParam, lParam) LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)

I always liked to do things first and learn them later.so here is the code toДЄ simple window which will be explained shortly.Д¬onst char g_szClassName = 'myWindowClass' They're more than can be simply explained over a chat room, or a quick note. It's not difficult once you know what you'reДoing but there are quite a few things you need to do to get a window to show up And Sometimes people come on IRC and ask 'How do I make a window?'.Well it's notД®ntirely that simple I'm afraid. Tutorial: A Simple Window theForger's Win32 API Programming Tutorial

Closing in a window