Exemplos de ProcessNativeMethods.MEMORY_BASIC_INFORMATION em C# (CSharp)

Exemplo n.º 1

Arquivo: ProcessExtensions.cs Projeto: yut148/kudu

        private static bool HasReadAccess(IntPtr hProcess, IntPtr address, out int size)
        {
            size = 0;

            var    memInfo = new ProcessNativeMethods.MEMORY_BASIC_INFORMATION();
            IntPtr result  = ProcessNativeMethods.VirtualQueryEx(
                hProcess,
                address,
                ref memInfo,
                (IntPtr)Marshal.SizeOf(memInfo));

            if (result == IntPtr.Zero)
            {
                return(false);
            }

            if (memInfo.Protect == ProcessNativeMethods.PAGE_NOACCESS || memInfo.Protect == ProcessNativeMethods.PAGE_EXECUTE)
            {
                return(false);
            }

            try
            {
                size = Convert.ToInt32(memInfo.RegionSize.ToInt64() - (address.ToInt64() - memInfo.BaseAddress.ToInt64()));
            }
            catch (OverflowException)
            {
                return(false);
            }

            if (size <= 0)
            {
                return(false);
            }

            return(true);
        }

Exemplo n.º 2

Arquivo: ProcessExtensions.cs Projeto: HenrikFrystykNielsen/kudu

        private static bool HasReadAccess(IntPtr hProcess, IntPtr address, out int size)
        {
            size = 0;

            var memInfo = new ProcessNativeMethods.MEMORY_BASIC_INFORMATION();
            IntPtr result = ProcessNativeMethods.VirtualQueryEx(
                hProcess,
                address,
                ref memInfo,
                (IntPtr)Marshal.SizeOf(memInfo));

            if (result == IntPtr.Zero)
            {
                return false;
            }

            if (memInfo.Protect == ProcessNativeMethods.PAGE_NOACCESS || memInfo.Protect == ProcessNativeMethods.PAGE_EXECUTE)
            {
                return false;
            }

            try
            {
                size = Convert.ToInt32(memInfo.RegionSize.ToInt64() - (address.ToInt64() - memInfo.BaseAddress.ToInt64()));
            }
            catch (OverflowException)
            {
                return false;
            }

            if (size <= 0)
            {
                return false;
            }

            return true;
        }