我的项目是 C++ Windows 桌面向导 AKA Win32 API 项目。
在函数 WinMain(...) 我正在创建我的窗口:
hWnd = CreateWindowEx(NULL, _T("DesktopApp"), _T("Hi, I'm window"), WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 640, 480, NULL, NULL, hInstance, NULL);
之后由于某种原因,我的窗口状态为“无法读取内存”(因此我无法创建没有此问题的 GUI)。我什至检查了谷歌的第二页以找到解决此问题的方法。微软的文档没有帮助:我检查了实现,它与我的相符。尽管我之前创建了 2 个工作项目(比较没有给出任何结果),但我很长一段时间都无法修复它,我是盲人,我之前写错了。
整个代码如下:
#include <windows.h>
#include <stdlib.h>
#include <string>
#include <tchar.h>
#include <shellapi.h>
#include <ctime>
HWND hWnd;
HINSTANCE hInst;
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nCmdShow)
{
WNDCLASSEX wcex;
ZeroMemory(&wcex, sizeof(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(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,
_T("Call to RegisterClassEx failed!"),
_T("Windows Desktop Guided Tour"),
NULL);
return 1;
}
hInst = hInstance;
hWnd = CreateWindowEx(NULL, _T("DesktopApp"), _T("Hi, I'm window"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 640, 480, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
MessageBox(NULL,
_T("Call to CreateWindow failed!"),
_T("Windows Desktop Guided Tour"),
NULL);
return 1;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int)msg.wParam;
}
提前感谢您的帮助。