public IntPtr Allocate(IntPtr preferred, long size, Native.MemoryProtection protectionFlags)
{
IntPtr allocatedMemory;
if ((allocatedMemory = AllocateInternal(preferred, size, protectionFlags)) == IntPtr.Zero &&
preferred != IntPtr.Zero)
{
return(Allocate(IntPtr.Zero, size, protectionFlags));
}
return(allocatedMemory);
}
public static ulong AllocateMemory(this System.Diagnostics.Process process, uint length, Native.AllocationType allocationType, Native.MemoryProtection memoryProtection) => Native.VirtualAllocEx(process.Handle, 0, length, allocationType, memoryProtection);
public static ulong AllocateAndWrite(this System.Diagnostics.Process process, byte[] buffer, Native.AllocationType allocationType, Native.MemoryProtection memoryProtection)
{
ulong allocatedMemory = process.AllocateMemory((uint)buffer.Length, allocationType, memoryProtection);
process.WriteRawMemory(buffer, allocatedMemory);
return(allocatedMemory);
}
/// <summary>
/// Allocates memory in remote process
/// </summary>
/// <param name="lpAddress">The address to allocate at (IntPtr.Zero for any)</param>
/// <param name="dwSize">The size of memory to allocate</param>
/// <param name="flAllocationType">The allocation type</param>
/// <param name="flProtect">The memory protection</param>
/// <returns>The address of allocated memory (IntPtr.Zero on fail)</returns>
/// <exception cref="MemoryAllocationException">Thrown if memory can't be allocated</exception>
public IntPtr Allocate(IntPtr lpAddress, uint dwSize, Native.AllocationType flAllocationType = Native.AllocationType.Commit | Native.AllocationType.Reserve, Native.MemoryProtection flProtect = Native.MemoryProtection.ExecuteReadWrite)
{
if (_handle == IntPtr.Zero)
{
throw new InvalidOperationException("Requires open handle.");
}
IntPtr allocation = Native.VirtualAllocEx(_handle, lpAddress, dwSize, flAllocationType, flProtect);
if (allocation == IntPtr.Zero)
{
throw new MemoryAllocationException();
}
return(allocation);
}
private IntPtr AllocateInternal(IntPtr preferred, long size,
Native.MemoryProtection protectionFlags)
{
return(Native.VirtualAllocEx(ProcessHandle, preferred, (UIntPtr)size,
Native.AllocationType.Commit | Native.AllocationType.Reserve, protectionFlags));
}
