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感谢Ttcoffee提的建议（私聊）
本次更新内容：
新增两个按钮，操作更易上手
以及......................................一个失败内容（屏幕不刷新，我已不指望了）
#include <windows.h>
#include <gdiplus.h>
using namespace std;
HWND hButton,hButton2;
POINT g_startPos, g_endPos;
RECT g_originalRect;
LONG_PTR g_originalStyle;
bool g_isFullscreen = false;
HBITMAP g_hMemBitmap = NULL;
HDC g_hMemDC = NULL;
int g_width = 0, g_height = 0;// 初始化双缓冲
void InitDoubleBuffer(HWND hwnd) {RECT rc;GetClientRect(hwnd, &rc);g_width = rc.right - rc.left;g_height = rc.bottom - rc.top;HDC hdc = GetDC(hwnd);g_hMemDC = CreateCompatibleDC(hdc);g_hMemBitmap = CreateCompatibleBitmap(hdc, g_width, g_height);SelectObject(g_hMemDC, g_hMemBitmap);ReleaseDC(hwnd, hdc);// 初始清屏（可选）FillRect(g_hMemDC, &rc, (HBRUSH)GetStockObject(WHITE_BRUSH));
}
// 切换全屏函数
void ToggleFullscreen(HWND hwnd) {if (!g_isFullscreen) {// 进入全屏GetWindowRect(hwnd, &g_originalRect);g_originalStyle = GetWindowLongPtr(hwnd, GWL_STYLE);int screenWidth = GetSystemMetrics(SM_CXSCREEN);int screenHeight = GetSystemMetrics(SM_CYSCREEN);SetWindowLongPtr(hwnd, GWL_STYLE, WS_POPUP);SetWindowPos(hwnd, HWND_TOP,0, 0, screenWidth, screenHeight,SWP_FRAMECHANGED | SWP_SHOWWINDOW);} else {// 退出全屏SetWindowLongPtr(hwnd, GWL_STYLE, g_originalStyle);SetWindowPos(hwnd, NULL,g_originalRect.left,g_originalRect.top,g_originalRect.right - g_originalRect.left,g_originalRect.bottom - g_originalRect.top,SWP_FRAMECHANGED | SWP_NOZORDER);}g_isFullscreen = !g_isFullscreen;
}// 窗口过程函数
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {switch (msg) {case WM_SIZE:// 窗口大小变化时重置缓冲if (g_hMemDC) {DeleteDC(g_hMemDC);DeleteObject(g_hMemBitmap);}InitDoubleBuffer(hwnd);break;case WM_KEYDOWN:if (wParam == VK_BACK) { // 按Backspace切换全屏ToggleFullscreen(hwnd);} else if (wParam == VK_CONTROL) {DestroyWindow(hwnd);HWND hwnwd;hwnwd = FindWindow("ConsoleWindowClass", NULL);if (hwnwd) {ShowOwnedPopups(hwnwd, SW_SHOW);ShowWindow(hwnwd, SW_SHOW);}}return 0;case WM_PAINT: { // 窗口需要绘制时触发PAINTSTRUCT ps;HDC hdc = BeginPaint(hwnd, &ps); // 获取设备上下文// 设置背景模式为透明BitBlt(hdc, 0, 0, g_width, g_height, g_hMemDC, 0, 0, SRCCOPY);SetBkMode(hdc, TRANSPARENT);HPEN hDashPen = CreatePen(PS_DASH, 1, RGB(256, 256, 256));SelectObject(hdc, hDashPen);MoveToEx(hdc, g_startPos.x, g_startPos.y, NULL);LineTo(hdc, g_endPos.x, g_endPos.y);return 0;}case WM_CLOSE:break;case WM_DESTROY:break;// 处理鼠标消息case WM_LBUTTONDOWN:g_startPos.x = LOWORD(lParam);g_startPos.y = HIWORD(lParam);return 0;case WM_MOUSEMOVE:if (wParam & MK_LBUTTON) {g_endPos.x = LOWORD(lParam);g_endPos.y = HIWORD(lParam);InvalidateRect(hwnd, NULL, TRUE);}return 0;case WM_ERASEBKGND:return 1; // 禁用背景擦除default:return DefWindowProc(hwnd, msg, wParam, lParam);case WM_CREATE: {// 创建按钮hButton = CreateWindow("BUTTON", // 窗口类（按钮）"点击我关闭", // 按钮文本WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, // 样式50, 50, // 位置 (x, y)100, 30, // 大小 (宽度, 高度)hwnd, // 父窗口句柄(HMENU)1, // 控件ID((LPCREATESTRUCT)lParam)->hInstance, // 实例句柄NULL // 附加数据); hButton2 = CreateWindow("BUTTON", // 窗口类（按钮）"点击我切换全屏", // 按钮文本WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, // 样式850, 50, // 位置 (x, y)100, 30, // 大小 (宽度, 高度)hwnd, // 父窗口句柄(HMENU)2, // 控件ID((LPCREATESTRUCT)lParam)->hInstance, // 实例句柄NULL // 附加数据); return 0;}case WM_COMMAND: {int ButtonID=LOWORD(wParam);switch(ButtonID){case 1:DestroyWindow(hwnd);HWND hwnwd;hwnwd = FindWindow("ConsoleWindowClass", NULL);if (hwnwd) {ShowOwnedPopups(hwnwd, SW_SHOW);ShowWindow(hwnwd, SW_SHOW);}break;case 2:ToggleFullscreen(hwnd);break; }return 0;} }return 0;
}int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR pCmdLine, int nCmdShow) {HWND hwnwd;hwnwd = FindWindow("ConsoleWindowClass", NULL);if (hwnwd) {ShowOwnedPopups(hwnwd, SW_HIDE);ShowWindow(hwnwd, SW_HIDE);}const char* CLASS_NAME = "CustomWindowClass";WNDCLASS wc = {};wc.lpfnWndProc = WndProc;wc.hInstance = hInstance;wc.lpszClassName = TEXT(CLASS_NAME);wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);if (!RegisterClass(&wc)) return 0;// 创建窗口HWND hwnd = CreateWindowEx(0, // 扩展样式TEXT(CLASS_NAME), // 窗口类" 绘画", // 窗口标题WS_OVERLAPPEDWINDOW | WS_VISIBLE, // 窗口样式CW_USEDEFAULT, CW_USEDEFAULT, // 位置1000, 1000, // 大小NULL, // 父窗口NULL, // 菜单hInstance, // 实例句柄NULL // 附加数据);if (!hwnd) return 0;// 消息循环MSG msg = {};while (GetMessage(&msg, NULL, 0, 0)) {TranslateMessage(&msg);DispatchMessage(&msg);}return 0;
}和之前一样，附录也是有的。
先一键三连
#include <windows.h>// 全局变量存储按钮句柄
HWND hButton,hhh2;
// 窗口过程函数
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {switch (msg) {case WM_CREATE: {// 创建按钮hButton = CreateWindow("BUTTON", // 窗口类（按钮）"点击我", // 按钮文本WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, // 样式50, 50, // 位置 (x, y)100, 30, // 大小 (宽度, 高度)hwnd, // 父窗口句柄(HMENU)1, // 控件ID((LPCREATESTRUCT)lParam)->hInstance, // 实例句柄NULL // 附加数据);// 创建按钮hhh2 = CreateWindow("BUTTON", // 窗口类（按钮）"点击我", // 按钮文本WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, // 样式150, 50, // 位置 (x, y)100, 30, // 大小 (宽度, 高度)hwnd, // 父窗口句柄(HMENU)1, // 控件ID((LPCREATESTRUCT)lParam)->hInstance, // 实例句柄NULL // 附加数据); return 0;}case WM_COMMAND: {// 处理按钮点击if (LOWORD(wParam) == 1) { // 控件ID为1MessageBox(hwnd, "按钮被点击了！", "提示", MB_OK);Sleep(1000);}return 0;}case WM_CLOSE:DestroyWindow(hwnd);break;case WM_DESTROY:PostQuitMessage(0);break;default:return DefWindowProc(hwnd, msg, wParam, lParam);}return 0;
}// WinMain 函数
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {const char CLASS_NAME[] = "MyWindowClass";WNDCLASS wc = {};wc.lpfnWndProc = WndProc;wc.hInstance = hInstance;wc.lpszClassName = CLASS_NAME;wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);if (!RegisterClass(&wc)) return 0;HWND hwnd = CreateWindowEx(0,CLASS_NAME,"按钮示例",WS_OVERLAPPEDWINDOW,CW_USEDEFAULT, CW_USEDEFAULT,400, 300,NULL, NULL, hInstance, NULL);if (!hwnd) return 0;ShowWindow(hwnd, nCmdShow);UpdateWindow(hwnd);MSG msg;while (GetMessage(&msg, NULL, 0, 0)) {TranslateMessage(&msg);DispatchMessage(&msg);}return 0;
}一个非常非常简单的按钮实例
对了，线上之星期间（虽然结束了）但关注我的，并找我私聊，可以拉票（可以预约）
还有，想要关注的，直接关注我，一天内回关
还有一期清理缓存的，也是直接上代码
#include <bits/stdc++.h>
#include <conio.h>
#include <windows.h>
using namespace std;void ClearCache() {printf("缓存清理中.\n");Sleep(300);system("cls");printf("缓存清理中..\n");Sleep(300);system("cls");printf("缓存清理中...\n");Sleep(300);system("cls");printf("缓存清理中.\n");Sleep(300);system("cls");printf("缓存清理中..\n");Sleep(300);system("cls");printf("缓存清理中...\n");Sleep(300);system("cls");printf("缓存清理中.\n");Sleep(300);system("cls");printf("缓存清理中..\n");Sleep(300);system("cls");printf("缓存清理中...\n");Sleep(300);system("cls");printf("缓存清理完毕\n");
}void UpSpeed() {srand(time(0));printf("加速中.\n");Sleep(300);system("cls");printf("加速中..\n");Sleep(300);system("cls");printf("加速中...\n");int MB = rand() % 1023 + 1;int KB = rand() % 1024;printf("已经腾出了%d MB %d KB空间", MB, KB);
}void ClearVirus() {srand(time(0));printf("查找病毒中.\n");Sleep(300);system("cls");printf("查找病毒中..\n");Sleep(300);system("cls");printf("查找病毒中...\n");system("cls");if (rand() % 2 == 0) {string s = "";for (int i = 0; i < rand() % 10 + 1; i++) {char pp = 'a' + rand() % 26;s = s + pp;}printf("发现病毒 ");for (int i = 0; i < s.size(); i++) {cout << s[i];}printf(".exe,是否清理? 1.Yes 2.No\n");char c = getch();if (c == '1') {printf("清理病毒中.\n");Sleep(300);system("cls");printf("清理病毒中..\n");Sleep(300);system("cls");printf("清理病毒中...\n");Sleep(300);system("cls");printf("清理病毒中.\n");Sleep(300);system("cls");printf("清理病毒中..\n");Sleep(300);system("cls");printf("清理病毒中...\n");Sleep(300);system("cls");printf("清理病毒完成\n");return;} else {printf("请按任意键继续\n");return;}} else {printf("未发现病毒\n");return;}
}int main() {while (1) {cout << "1.清理缓存" << endl;cout << "2.加速" << endl;cout << "3.查杀病毒" << endl;[[maybe_unused]] char c = getch();switch (c) {case '1':system("cls");ClearCache();getch();system("cls");break;case '2':system("cls");UpSpeed();getch();system("cls");break;case '3':system("cls");ClearVirus();getch();system("cls");break;default:break;}system("cls");}
}作者亲测
（|-呜呜呜，好亏啊-|)
最后，我还要给大家上一期字符串操作的代码
#include<bits/stdc++.h>
#include<conio.h>
using namespace std;struct Cstring {private:string s;void PrivateRes() {s = "";}void PrivateCsinsert() {cout << "S:" << s << endl;int n;cin >> n;n = n - 1;char c;string m;for (int i = 0; i <= n - 1; i++) {c = s[i];m += c;}string ss;cin >> ss;m += ss;for (int i = n; i < s.size(); i++) {m += s[i];}s = m;}void PrivatesetCs() {string sss;cin >> sss;s = sss;}void PrivatePrintCs() {cout << s << endl;}int PrivateCsSize() {return s.size();}public:void ReS() {system("cls");cout << "Clear:" << endl;PrivateRes();system("pause");}void Csinsert() {system("cls");cout << "Insert:" << endl;PrivateCsinsert();system("pause");}void SetCs() {system("cls");cout << "Set:" << endl;PrivatesetCs();system("pause");}void printCs() {system("cls");cout << "Print:" << endl;PrivatePrintCs();system("pause");}void printSizeCs() {system("cls");cout << "Size:" << endl;cout<<PrivateCsSize()<<endl;system("pause");}
};int main() {Cstring Cs;while (1) {cout << "1.clear" << endl;cout << "2.insert" << endl;cout << "3.set" << endl;cout << "4.print" << endl;cout << "5.get size" << endl;char pp;pp = getch();switch (pp) {case '1':Cs.ReS();break;case '2':Cs.Csinsert();break;case '3':Cs.SetCs();break;case '4':Cs.printCs();break;case '5':Cs.printSizeCs();break;default:break;}system("cls");}
}一键三连！！