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WIN32 子程序繼承父程序訊息控制代碼

// 訊息控制代碼繼承.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <WINDOWS.H>

int main(int argc, char* argv[])
{
    SECURITY_ATTRIBUTES sa;
    sa.nLength = sizeof(sa);
    sa.lpSecurityDescriptor = NULL;
    sa.bInheritHandle = TRUE;
    char s1[50] = {0};
    
char s2[255] = {0}; HANDLE g_Event = CreateEvent(&sa,TRUE,FALSE,NULL); sprintf(s1,"%x",g_Event); sprintf(s2,"F:/zzz.exe %s",s1); STARTUPINFOA si; PROCESS_INFORMATION pi; ZeroMemory(&si, sizeof(si)); si.cb = sizeof(si); ZeroMemory(&pi, sizeof(pi));
//si.dwFlags = STARTF_USESHOWWINDOW; // 指定wShowWindow成員有效 //si.wShowWindow = TRUE; // 此成員設為TRUE的話則顯示新建程序的主視窗, BOOL res = CreateProcess(NULL,s2,NULL,NULL,TRUE,CREATE_NEW_CONSOLE,NULL,NULL,&si,&pi); if (!res) { DWORD dwcode = GetLastError(); printf("%x\n",dwcode); } SetEvent(g_Event); CloseHandle(g_Event); getchar(); printf(
"Hello World!\n"); return 0; }

// zzz.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <windows.h>

int main(int argc, char* argv[])
{
    char st1[50] = {0};
    char st2[50] = {0};
    DWORD g = 0;

    sprintf(st1,"%s",argv[1]);
    sscanf(st1,"%x",&g);
    printf("%s\n",argv[0]);
    printf("%x\n",g);

    HANDLE g_e = HANDLE(g);
    printf("等待訊息中。。。。\n");
    WaitForSingleObject(g_e,INFINITE);

    DWORD dwcode = GetLastError();

    printf("等到訊息。。。。%x\n",dwcode);

    getchar();
    return 0;
}