How do you make an Injector in VB??

Public Class freedompeaceForm_LeechedAndModified

    Private TargetProcessHandle As Integer 
    Private pfnStartAddr As Integer 
    Private pszLibFileRemote As String 
    Private TargetBufferSize As Integer 

    Public Const PROCESS_VM_READ = &H10 
    Public Const TH32CS_SNAPPROCESS = &H2 
    Public Const MEM_COMMIT = 4096 
    Public Const PAGE_READWRITE = 4 
    Public Const PROCESS_CREATE_THREAD = (&H2) 
    Public Const PROCESS_VM_OPERATION = (&H8) 
    Public Const PROCESS_VM_WRITE = (&H20) 

    Public Declare Function ReadProcessMemory Lib "kernel32" ( _ 
    ByVal hProcess As Integer, _ 
    ByVal lpBaseAddress As Integer, _ 
    ByVal lpBuffer As String, _ 
    ByVal nSize As Integer, _ 
    ByRef lpNumberOfBytesWritten As Integer) As Integer 

    Public Declare Function LoadLibrary Lib "kernel32" Alias "LoadLibraryA" ( _ 
    ByVal lpLibFileName As String) As Integer 

    Public Declare Function VirtualAllocEx Lib "kernel32" ( _ 
    ByVal hProcess As Integer, _ 
    ByVal lpAddress As Integer, _ 
    ByVal dwSize As Integer, _ 
    ByVal flAllocationType As Integer, _ 
    ByVal flProtect As Integer) As Integer 

    Public Declare Function WriteProcessMemory Lib "kernel32" ( _ 
    ByVal hProcess As Integer, _ 
    ByVal lpBaseAddress As Integer, _ 
    ByVal lpBuffer As String, _ 
    ByVal nSize As Integer, _ 
    ByRef lpNumberOfBytesWritten As Integer) As Integer 

    Public Declare Function GetProcAddress Lib "kernel32" ( _ 
    ByVal hModule As Integer, ByVal lpProcName As String) As Integer 

    Private Declare Function GetModuleHandle Lib "Kernel32" Alias "GetModuleHandleA" ( _ 
    ByVal lpModuleName As String) As Integer 

    Public Declare Function CreateRemoteThread Lib "kernel32" ( _ 
    ByVal hProcess As Integer, _ 
    ByVal lpThreadAttributes As Integer, _ 
    ByVal dwStackSize As Integer, _ 
    ByVal lpStartAddress As Integer, _ 
    ByVal lpParameter As Integer, _ 
    ByVal dwCreationFlags As Integer, _ 
    ByRef lpThreadId As Integer) As Integer 

    Public Declare Function OpenProcess Lib "kernel32" ( _ 
    ByVal dwDesiredAccess As Integer, _ 
    ByVal bInheritHandle As Integer, _ 
    ByVal dwProcessId As Integer) As Integer 

    Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _ 
    ByVal lpClassName As String, _ 
    ByVal lpWindowName As String) As Integer 

    Private Declare Function CloseHandle Lib "kernel32" Alias "CloseHandleA" ( _ 
    ByVal hObject As Integer) As Integer 


    Dim ExeName As String = IO.Path.GetFileNameWithoutExtension(Application.ExecutablePath) 

    Private Sub Inject() 
        On Error GoTo 1 ' If error occurs, app will close without any error messages 
        Timer1.Stop() 
        Dim TargetProcess As Process() = Process.GetProcessesByName("Engine.exe") 
        TargetProcessHandle = OpenProcess(PROCESS_CREATE_THREAD Or PROCESS_VM_OPERATION Or PROCESS_VM_WRITE, False, TargetProcess(0).Id) 
        pszLibFileRemote = Application.StartupPath & "\" + ExeName + ".dll" 
        pfnStartAddr = GetProcAddress(GetModuleHandle("Kernel32"), "LoadLibraryA") 
        TargetBufferSize = 1 + Len(pszLibFileRemote) 
        Dim Rtn As Integer 
        Dim LoadLibParamAdr As Integer 
        LoadLibParamAdr = VirtualAllocEx(TargetProcessHandle, 0, TargetBufferSize, MEM_COMMIT, PAGE_READWRITE) 
        Rtn = WriteProcessMemory(TargetProcessHandle, LoadLibParamAdr, pszLibFileRemote, TargetBufferSize, 0) 
        CreateRemoteThread(TargetProcessHandle, 0, 0, pfnStartAddr, LoadLibParamAdr, 0, 0) 
        CloseHandle(TargetProcessHandle) 
1:      Me.Close() 
    End Sub 

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick 
            Dim TargetProcess As Process() = Process.GetProcessesByName("Engine") 
            If TargetProcess.Length > 0 Then 
                Timer1.Stop() 
                Me.TextBox1.Text = "Done..." 
                Call Inject() 
            End If 
    End Sub 

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 
        Timer1.Interval = 500
        Timer1.Start() 
    End Sub 

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click 
        MsgBox("Ohaii :3", MsgBoxStyle.Information, "Info") 
    End Sub 
  End Class