问题描述
- GetModuleFileName替换GetCurrentDirectory打不开文件了?求问,谢谢
-
#include
#include //_T()#define ID_LIST 1
#define ID_TEXT 2
#define MAXREAD 8192
#define DIRATTR (DDL_READWRITE | DDL_READONLY | DDL_HIDDEN | DDL_SYSTEM |
DDL_DIRECTORY | DDL_ARCHIVE | DDL_DRIVES)#define DTFLAGS (DT_WORDBREAK | DT_EXPANDTABS | DT_NOCLIP | DT_NOPREFIX)
WNDPROC OldList;LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK ListProc(HWND, UINT, WPARAM, LPARAM);RECT rect;
TCHAR szBuffer[MAX_PATH + 1];int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevINstance, LPSTR lPCmdLine, int nCmdShow)
{
static TCHAR szAppName[] = _T("head");
WNDCLASSEX WindowClass;
HWND hWnd;
MSG msg;WindowClass.cbSize = sizeof(WNDCLASSEX); WindowClass.style = CS_HREDRAW | CS_VREDRAW; WindowClass.lpfnWndProc = WndProc; WindowClass.cbClsExtra = 0; WindowClass.cbWndExtra = 0; WindowClass.hInstance = hInstance; WindowClass.hIcon = LoadIcon(nullptr, IDI_APPLICATION); WindowClass.hCursor = LoadCursor(nullptr, IDC_ARROW); WindowClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); //防止程序运行时,系统颜色改变,出现空值 WindowClass.lpszMenuName = nullptr; WindowClass.lpszClassName = szAppName; WindowClass.hIconSm = nullptr; if (!RegisterClassEx(&WindowClass)) { MessageBoxEx(NULL, _T("This program requires windowsNT!"), szAppName, MB_ICONERROR, LANG_CHINESE_SIMPLIFIED); return 0; } hWnd = CreateWindowEx( WS_EX_STATICEDGE,//WS_EX_OVERLAPPEDWINDOW, szAppName, _T("head"), WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN, // CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, nullptr, nullptr, hInstance, nullptr ); ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); while (GetMessage(&msg, nullptr, 0, 0) == TRUE) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{int i, cxChar, cyChar; HANDLE hFile; TCHAR szFile[MAX_PATH + 1]; BYTE buffer[MAXREAD]; static BOOL bValidFile; static HWND hwndList, hwndText; HDC hdc; PAINTSTRUCT ps; switch (message) { case WM_CREATE: cxChar = LOWORD(GetDialogBaseUnits()); cyChar = HIWORD(GetDialogBaseUnits()); rect.left = 20 * cxChar; rect.top = 3 * cyChar; hwndList = CreateWindowEx( WS_EX_STATICEDGE,//WS_EX_OVERLAPPEDWINDOW, _T("listbox"), nullptr, WS_CHILDWINDOW | WS_VISIBLE | LBS_STANDARD, //LBS_STANDARD由LBS_NOTIFY、LBS_SORT、WS_VSCROLL、WS_BORDER组合 cxChar, //LBS_NOTIFY使父窗口收到消息 cyChar * 3, cxChar * 13 + GetSystemMetrics(SM_CXVSCROLL), cyChar * 10, hwnd, (HMENU)ID_LIST, (HINSTANCE)GetWindowLongPtr(hwnd, GWL_HINSTANCE), //((LPCREATESTRUCT)lParam)->hInstance, nullptr ); GetModuleFileNameW(NULL, (LPWSTR)szBuffer,MAX_PATH + 1); //Load current directry to buffer
// GetCurrentDirectory(MAX_PATH + 1, szBuffer);
hwndText = CreateWindowEx( WS_EX_STATICEDGE,//WS_EX_OVERLAPPEDWINDOW, _T("static"), szBuffer, WS_CHILDWINDOW | WS_VISIBLE | SS_LEFT, cxChar, cyChar, cxChar * MAX_PATH, cyChar, hwnd, (HMENU) ID_TEXT, (HINSTANCE)GetWindowLongPtr(hwnd, GWL_HINSTANCE), //((LPCREATESTRUCT)lParam)->hInstance, nullptr ); OldList = (WNDPROC)SetWindowLongPtr(hwndList,GWL_WNDPROC,(LPARAM) ListProc); SendMessage(hwndList, LB_DIR, DIRATTR, (LPARAM) _T("*.*")); return 0; case WM_SIZE: rect.right = LOWORD(lParam); rect.bottom = HIWORD(lParam); return 0; case WM_SETFOCUS: SetFocus(hwndList); return 0; case WM_COMMAND: if (LOWORD(wParam) == ID_LIST && HIWORD(wParam) == LBN_DBLCLK) //Scan ID和通知码 { if (LB_ERR == (i = SendMessage(hwndList, LB_GETCURSEL, 0, 0))) break; SendMessage(hwndList, LB_GETTEXT, i, (LPARAM) szBuffer); if (INVALID_HANDLE_VALUE != (hFile = CreateFile(szBuffer,GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, 0,nullptr))) { CloseHandle(hFile); bValidFile = TRUE; lstrcpy(szFile, szBuffer);
// GetCurrentDirectory(MAX_PATH + 1, szBuffer);
GetModuleFileNameW(NULL, (LPWSTR)szBuffer, MAX_PATH + 1); if (szBuffer[lstrlen(szBuffer) - 1] != '') //添加在主目录和子目录之间 lstrcat(szBuffer, _T("")); SetWindowText(hwndText,lstrcat(szBuffer, szFile)); } else { bValidFile = FALSE; szBuffer[lstrlen(szBuffer) - 1] = ''; if (!SetCurrentDirectory(szBuffer + 1)) ?/ { szBuffer[3] = ':'; szBuffer[4] = ''; SetCurrentDirectory(szBuffer + 2); } GetModuleFileNameW(NULL,(LPWSTR)szBuffer, MAX_PATH + 1);
// GetCurrentDirectory(MAX_PATH + 1, szBuffer);
SetWindowText(hwndText, szBuffer); SendMessage(hwndList, LB_RESETCONTENT, 0 ,0); SendMessage(hwndList, LB_DIR, DIRATTR, (LPARAM)_T("*.*")); } InvalidateRect(hwnd, nullptr, TRUE); } return 0; case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
if (!bValidFile)
{
DrawText(hdc, _T("---测验-123--"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
break;
}if (INVALID_HANDLE_VALUE == (hFile = CreateFile(szBuffer,GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL))) { DrawTextW(hdc, (LPCWSTR)buffer, -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER); bValidFile = FALSE; break; } ReadFile(hFile, buffer, MAXREAD, (LPDWORD)(&i), NULL); CloseHandle(hFile); SelectObject(hdc, GetStockObject(SYSTEM_FIXED_FONT)); SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT)); SetBkColor(hdc, GetSysColor(COLOR_BTNFACE)); DrawTextA(hdc< (LPCSTR)buffer, i, &rect, DTFLAGS);
// DT_WORDBREAK------- Lines are automatically broken between words if a word extends past the edge of the rectangle
// DT_EXPANDTABS------Expands tab characters. The default number of characters per tab is eight
// DT_NOCLIP----------Draws without clipping. DrawTextEx is somewhat faster when DT_NOCLIP is used.
// DT_NOPREFIX--------single line// DrawTextEx(hdc, (LPWSTR)buffer, i, &rect, DTFLAGS, NULL);
EndPaint(hwnd, &ps);
return 0;case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, message, wParam, lParam);
}
LRESULT CALLBACK ListProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (message == WM_KEYDOWN && wParam == VK_RETURN)
SendMessage(GetParent(hwnd), WM_COMMAND, MAKELONG(1, LBN_DBLCLK), (LPARAM) hwnd);return CallWindowProc(OldList, hwnd, message, wParam, lParam);
}
解决方案
直接对比两者返回的路径是否相同
解决方案二:
android 项目文件打不开的问题