Spawner of Sub Process in a Windows Application

gistfile1.txt

class Spawner {
	STARTUPINFOA si;
	PROCESS_INFORMATION pri;
	bool wasOk;

	string _name;
public:
	Spawner(string name) { _name = name; wasOk = FALSE; }
	
	void Activate(bool status) {
		if (status == TRUE) {
			ZeroMemory(&si, sizeof(si));
			si.cb = sizeof(si);
			ZeroMemory(&pri, sizeof(pri));
			// Start the child process. 
			if (!CreateProcessA(NULL,   // No module name (use command line)
				(LPSTR)_name.c_str(),        // Command line
				NULL,           // Process handle not inheritable
				NULL,           // Thread handle not inheritable
				FALSE,          // Set handle inheritance to FALSE
				0,              // No creation flags
				NULL,           // Use parent's environment block
				NULL,           // Use parent's starting directory 
				&si,            // Pointer to STARTUPINFO structure
				&pri)           // Pointer to PROCESS_INFORMATION structure
				)
			{
				MessageBoxA(NULL, "Spawner Error", _name.c_str(), MB_ICONINFORMATION);
				return;
			}

			wasOk = TRUE;
			return;
		}
		if (status == FALSE) {
			// Close process and thread handles. 
			if (wasOk) {
				TerminateProcess(pri.hProcess, 1);
			}
			CloseHandle(pri.hProcess);
			CloseHandle(pri.hThread);

			return;
		}
	}
};

Usage Example:

Spawner* EXE1 = new Spawner(string("gnatsd.exe")); //allocate
EXE1->Activate(TRUE); //Launch
EXE1->Activate(FALSE); //Terminate
delete EXE1; //de-allocate