C语言记录按键次数,【视频】C语言实现键盘记录【c语言吧】

语言记录按键次数,【视频】C语言实现键盘记录【c语言吧】"/>

C语言记录按键次数,【视频】C语言实现键盘记录【c语言吧】

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// WindowsProject1.cpp : 定义应用程序的入口点。

//

#include "stdafx.h"

#include "WindowsProject1.h"

#define MAX_LOADSTRING 100

// 全局变量:

HINSTANCE hInst; // 当前实例

WCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本

WCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名

RAWINPUTDEVICE Rid;

HWND g_Hwnd;

HANDLE g_OutputHandle;

// 此代码模块中包含的函数的前向声明:

ATOM MyRegisterClass(HINSTANCE hInstance);

BOOL InitInstance(HINSTANCE, int);

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);

void RegisterRawInput(HWND hWnd)

{

//注册键盘Raw Input：

Rid.usUsagePage = 0x01;

Rid.usUsage = 0x06;

Rid.dwFlags = RIDEV_INPUTSINK;

Rid.hwndTarget = hWnd;

if (!RegisterRawInputDevices(&Rid, 1, sizeof(Rid)))

{

//注册失败，输出失败信息：

}

else

{

}

}

int APIENTRY wWinMain(_In_ HINSTANCE hInstance,

_In_opt_ HINSTANCE hPrevInstance,

_In_ LPWSTR lpCmdLine,

_In_ int nCmdShow)

{

UNREFERENCED_PARAMETER(hPrevInstance);

UNREFERENCED_PARAMETER(lpCmdLine);

// TODO: 在此处放置代码。

// 初始化全局字符串

LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);

LoadStringW(hInstance, IDC_WINDOWSPROJECT1, szWindowClass, MAX_LOADSTRING);

MyRegisterClass(hInstance);

// 执行应用程序初始化:

if (!InitInstance (hInstance, nCmdShow))

{

return FALSE;

}

HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINDOWSPROJECT1));

MSG msg;

//Raw Input注册：

RegisterRawInput(g_Hwnd);

AllocConsole();

g_OutputHandle = GetStdHandle(STD_OUTPUT_HANDLE);

// 主消息循环:

while (GetMessage(&msg, nullptr, 0, 0))

{

if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))

{

TranslateMessage(&msg);

DispatchMessage(&msg);

}

}

return (int) msg.wParam;

}

//

// 函数: MyRegisterClass()

//

// 目标: 注册窗口类。

//

ATOM MyRegisterClass(HINSTANCE hInstance)

{

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(hInstance, MAKEINTRESOURCE(IDI_WINDOWSPROJECT1));

wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);

wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);

wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_WINDOWSPROJECT1);

wcex.lpszClassName = szWindowClass;

wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

return RegisterClassExW(&wcex);

}

//

// 函数: InitInstance(HINSTANCE, int)

//

// 目标: 保存实例句柄并创建主窗口

//

// 注释:

//

// 在此函数中，我们在全局变量中保存实例句柄并

// 创建和显示主程序窗口。

//

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)

{

hInst = hInstance; // 将实例句柄存储在全局变量中

HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,

CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);

g_Hwnd = hWnd;

if (!hWnd)

{

return FALSE;

}

ShowWindow(hWnd, nCmdShow);

UpdateWindow(hWnd);

return TRUE;

}

//

// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)

//

// 目标: 处理主窗口的消息。

//

// WM_COMMAND - 处理应用程序菜单

// WM_PAINT - 绘制主窗口

// WM_DESTROY - 发送退出消息并返回

//

//

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

{

switch (message)

{

case WM_COMMAND:

{

int wmId = LOWORD(wParam);

// 分析菜单选择:

switch (wmId)

{

case IDM_ABOUT:

DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);

break;

case IDM_EXIT:

DestroyWindow(hWnd);

break;

default:

return DefWindowProc(hWnd, message, wParam, lParam);

}

}

break;

case WM_PAINT:

{

PAINTSTRUCT ps;

HDC hdc = BeginPaint(hWnd, &ps);

// TODO: 在此处添加使用 hdc 的任何绘图代码...

EndPaint(hWnd, &ps);

}

break;

case WM_DESTROY:

PostQuitMessage(0);

break;

case WM_INPUT:

{

UINT dwSize;

//首先获取raw input结构体的长度

GetRawInputData((HRAWINPUT)lParam, RID_INPUT, NULL, &dwSize, sizeof(RAWINPUTHEADER));

//

LPBYTE lpb = new BYTE[dwSize];

if (GetRawInputData((HRAWINPUT)lParam, RID_INPUT, lpb, &dwSize, sizeof(RAWINPUTHEADER)) != dwSize)

{

return -1;

}

RAWINPUT *raw = (RAWINPUT*)lpb;

if (raw->header.dwType == RIM_TYPEKEYBOARD)

{

if (raw->data.keyboard.Message == WM_KEYDOWN)

{

WCHAR buffer[255] = { 0 };

WCHAR presskey = '\0';

BYTE state[256] = { 0 };

ToAscii(raw->data.keyboard.VKey, raw->data.keyboard.MakeCode, state, (LPWORD)&presskey, 0);

wsprintf(buffer,L"\r\n您按下了%c键\r\n", presskey);

WriteConsole(g_OutputHandle, buffer, 255, NULL, NULL);

}

}

delete[] lpb;

}

break;

default:

return DefWindowProc(hWnd, message, wParam, lParam);

}

return 0;

}

// “关于”框的消息处理程序。

INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)

{

UNREFERENCED_PARAMETER(lParam);

switch (message)

{

case WM_INITDIALOG:

return (INT_PTR)TRUE;

case WM_COMMAND:

if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)

{

EndDialog(hDlg, LOWORD(wParam));

return (INT_PTR)TRUE;

}

break;

}

return (INT_PTR)FALSE;

}