C++ 强制设置文件大小

转载于：http://blog.163.com/stu_shl/blog/static/599375092012423101229382/

			HANDLE hFile=CreateFile(TEXT("text.txt"),GENERIC_READ | GENERIC_WRITE,0,NULL,CREATE_NEW,FILE_ATTRIBUTE_NORMAL,NULL);
			 if(hFile==INVALID_HANDLE_VALUE)
			 {
			      MessageBox(TEXT("创建文件失败!"));
			      return;
			 }
			 LARGE_INTEGER liDistanceToMove;
			 liDistanceToMove.QuadPart=102400000; //设置成这个大，单位字节
			 if(!SetFilePointerEx(hFile,liDistanceToMove,NULL,FILE_BEGIN))
			 {
			      MessageBox(TEXT("移动文件指针失败!"));
			 }

			 if(!SetEndOfFile(hFile))
			 {
			      MessageBox(TEXT("设置文件尾失败!"));
			 }
			 CloseHandle(hFile);