public static bool VirtualProtect(IntPtr pid, IntPtr address, uint size, PageAccessProtectionFlags flags, out PageAccessProtectionFlags oldFlags)
{
IntPtr handle = GetProcessHandle(pid, ProcessAccessFlags.VMOperation);
bool result = VirtualProtectEx(handle, address, size, flags, out oldFlags);
CloseHandle(handle);
return(result);
}
public static bool VirtualProtect(
IntPtr pid,
IntPtr address,
uint size,
PageAccessProtectionFlags flags,
out PageAccessProtectionFlags oldFlags)
{
IntPtr processHandle = Kernel32.GetProcessHandle(pid, ProcessAccessFlags.VMOperation);
int num = Kernel32.VirtualProtectEx(processHandle, address, size, flags, out oldFlags) ? 1 : 0;
Kernel32.CloseHandle(processHandle);
return(num != 0);
}
public static IntPtr VirtualAlloc(
Process p,
IntPtr address,
uint size,
AllocationType type,
PageAccessProtectionFlags flags)
{
IntPtr processHandle = Kernel32.GetProcessHandle(p, ProcessAccessFlags.VMOperation);
IntPtr num = Kernel32.VirtualAllocEx(processHandle, address, size, type, flags);
if (num == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Kernel32.CloseProcessHandle(processHandle);
return(num);
}
private static extern IntPtr VirtualAllocEx(
IntPtr hProcess,
IntPtr lpAddress,
uint dwSize,
AllocationType flAllocationType,
PageAccessProtectionFlags flProtect);
private static extern bool VirtualProtectEx(
IntPtr hProcess,
IntPtr lpAddress,
uint dwSize,
PageAccessProtectionFlags flags,
out PageAccessProtectionFlags oldFlags);
