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Displaying text in a window
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Join Date: Jan 2009
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Can anyone help me with displaying text in a C++ window? I've read the chapter 9 at winprog but it makes no sense to me. here's the code I'm using:
I just want to have text in the space under the menu... Is there any simple way to add it?
C++ Syntax (Toggle Plain Text)
#include <windows.h> #include "resource.h" /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "WindowsApp"; int WINAPI WinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil) { HWND hwnd; /* This is the handle for our window */ MSG messages; /* Here messages to the application are saved */ WNDCLASSEX wincl; /* Data structure for the windowclass */ HMENU hMenu, hSubMenu; HICON hIcon, hIconSm; hMenu = CreateMenu(); /* The Window structure */ wincl.hInstance = hThisInstance; wincl.lpszClassName = szClassName; wincl.lpszMenuName = MAKEINTRESOURCE(IDR_MYMENU); wincl.hIcon = LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_MYICON)); wincl.hIconSm = (HICON)LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_MYICON), IMAGE_ICON, 16, 16, 0); wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */ wincl.style = CS_DBLCLKS; /* Catch double-clicks */ wincl.cbSize = sizeof (WNDCLASSEX); /* Use default icon and mouse-pointer */ wincl.hIcon = LoadIcon (NULL, IDI_WARNING); wincl.hIconSm = LoadIcon (NULL, IDI_WARNING); wincl.hCursor = LoadCursor (NULL, IDC_CROSS); wincl.lpszMenuName = NULL; /* No menu */ wincl.cbClsExtra = 0; /* No extra bytes after the window class */ wincl.cbWndExtra = 0; /* structure or the window instance */ /* Use Windows's default color as the background of the window */ wincl.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH); /* Register the window class, and if it fails quit the program */ if (!RegisterClassEx (&wincl)) return 0; /* The class is registered, let's create the program*/ hwnd = CreateWindowEx ( 0, /* Extended possibilites for variation */ szClassName, /* Classname */ "Windows App", /* Title Text */ WS_VISIBLE, /* default window */ CW_USEDEFAULT, /* Windows decides the position */ CW_USEDEFAULT, /* where the window ends up on the screen */ 544, /* The programs width */ 375, /* and height in pixels */ NULL, /* The window is a child-window to desktop */ NULL, /* No menu */ hThisInstance, /* Program Instance handler */ NULL /* No Window Creation data */ ); /* Make the window visible on the screen */ ShowWindow (hwnd, nFunsterStil); /* Run the message loop. It will run until GetMessage() returns 0 */ while (GetMessage (&messages, NULL, 0, 0)) { /* Translate virtual-key messages into character messages */ TranslateMessage(&messages); /* Send message to WindowProcedure */ DispatchMessage(&messages); } /* The program return-value is 0 - The value that PostQuitMessage() gave */ return messages.wParam; } /* This function is called by the Windows function DispatchMessage() */ LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { switch (message) /* handle the messages */ { case WM_CREATE: { HMENU hMenu, hSubMenu; HICON hIcon, hIconSm; hMenu = CreateMenu(); hSubMenu = CreatePopupMenu(); AppendMenu(hSubMenu, MF_STRING, ID_FILE_EXIT, "E&xit"); AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu, "&File"); hSubMenu = CreatePopupMenu(); AppendMenu(hSubMenu, MF_STRING, ID_STUFF_GO, "&Go"); AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu, "&Stuff"); SetMenu(hwnd, hMenu); } break; case WM_COMMAND: switch(LOWORD(wParam)) { case ID_FILE_EXIT: return 0; break; case ID_STUFF_GO: break; } break; case WM_DESTROY: PostQuitMessage (0); /* send a WM_QUIT to the message queue */ break; default: /* for messages that we don't deal with */ return DefWindowProc (hwnd, message, wParam, lParam); } return 0; }
I just want to have text in the space under the menu... Is there any simple way to add it?
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Join Date: Mar 2008
Posts: 1,405
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Add this message handler to your windows proc: Should be enough to get you started - though google would have been even better.
C++ Syntax (Toggle Plain Text)
case WM_PAINT: { PAINTSTRUCT ps; HDC hdc = BeginPaint( hwnd, &ps ); TextOut( hdc, 0 /* X */, 0 /* Y */, "Blah de blah de blah", 20 /* Number of chars */); EndPaint( hwnd, &ps ); } break;
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