Приветствую уважаемые!
Не могу найти как вывести текст в окно (
основное, несколько строк).
Этот
пример с learn.microsoft.com не собирается.
Пытаюсь переделать. Но CodeBlock ругается - undefined reference to `__imp_TextOutW' хотя сама декларация при поиске видна.
text_out.jpg
Код:
//https://learn.microsoft.com/ru-ru/cpp/windows/walkthrough-creating-windows-desktop-applications-cpp?view=msvc-170
// HelloWindowsDesktop.cpp
// compile with: /D_UNICODE /DUNICODE /DWIN32 /D_WINDOWS /c
#define UNICODE//кодировка Unicod
#define STRICT//строгое соответствие
//#include <locale>
#include <windows.h>
#include <wingdi.h>
using namespace std;
// Global variables
// The main window class name.
static wchar_t szWindowClass[] = (L"DesktopApp");
// The string that appears in the application's title bar.
static wchar_t szTitle[] = (L"Windows Desktop Guided Tour Application");
// Stored instance handle for use in Win32 API calls such as FindResource
HINSTANCE hInst;
// Forward declarations of functions included in this code module:
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(
_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPSTR lpCmdLine,
_In_ int nCmdShow
)
{
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(wcex.hInstance, IDI_APPLICATION);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, IDI_APPLICATION);
if (!RegisterClassEx(&wcex))
{
MessageBox(NULL,
(L"Call to RegisterClassEx failed!"),
(L"Windows Desktop Guided Tour"),
NULL);
return 1;
}
// Store instance handle in our global variable
hInst = hInstance;
// The parameters to CreateWindowEx explained:
// WS_EX_OVERLAPPEDWINDOW : An optional extended window style.
// szWindowClass: the name of the application
// szTitle: the text that appears in the title bar
// WS_OVERLAPPEDWINDOW: the type of window to create
// CW_USEDEFAULT, CW_USEDEFAULT: initial position (x, y)
// 500, 100: initial size (width, length)
// NULL: the parent of this window
// NULL: this application does not have a menu bar
// hInstance: the first parameter from WinMain
// NULL: not used in this application
HWND hWnd = CreateWindowExW(
WS_EX_OVERLAPPEDWINDOW,
szWindowClass,
szTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
500, 100,
NULL,
NULL,
hInstance,
NULL
);
if (!hWnd)
{
MessageBox(NULL,
(L"Call to CreateWindow failed!"),
(L"Windows Desktop Guided Tour"),
NULL);
return 1;
}
// The parameters to ShowWindow explained:
// hWnd: the value returned from CreateWindow
// nCmdShow: the fourth parameter from WinMain
ShowWindow(hWnd,
nCmdShow);
UpdateWindow(hWnd);
// Main message loop:
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc;
wchar_t greeting[] = (L"Hello, Windows desktop!");//undefined reference to `__imp_TextOutW'
//LPCTSTR greeting[] = {L"Hello, Windows desktop!"};//error: cannot convert 'const WCHAR**' {aka 'const wchar_t**'} to 'const wchar_t*'
switch (message)
{
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// Here your application is laid out.
// For this introduction, we just print out "Hello, Windows desktop!"
// in the top left corner.
// TextOutW(hdc,
// 5, 5,
// greeting, _tcslen(greeting));
TextOutW(hdc,
5, 5,
greeting, wcslen(greeting));
// End application-specific layout section.
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
break;
}
return 0;
}
Помогите пжл.
P.S. Долго искал в и-нете, но так и не нашел
рабочего примера с TextOut.