Перемещение формы - C# (209449)

Формулировка задачи:

Искал все пробывал но все равно ошибка. Вот исходный код

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;

namespace Injector_DLL
{
    public partial class Form1 : Form
    {
        public Form1()
        {

            InitializeComponent();
        
        }

        [DllImport("kernel32")]
        public static extern IntPtr CreateRemoteThread(
          IntPtr hProcess,
          IntPtr lpThreadAttributes,
          uint dwStackSize,
          UIntPtr lpStartAddress,
          IntPtr lpParameter,
          uint dwCreationFlags,
          out IntPtr lpThreadId
        );
 
        [DllImport("kernel32.dll")]
        public static extern IntPtr OpenProcess(
            UInt32 dwDesiredAccess,
            Int32 bInheritHandle,
            Int32 dwProcessId
            );
 
        [DllImport("kernel32.dll")]
        public static extern Int32 CloseHandle(
        IntPtr hObject
        );
 
        [DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
        static extern bool VirtualFreeEx(
            IntPtr hProcess,
            IntPtr lpAddress,
            UIntPtr dwSize,
            uint dwFreeType
            );
 
        [DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
        public static extern UIntPtr GetProcAddress(
            IntPtr hModule,
            string procName
            );
 
        [DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
        static extern IntPtr VirtualAllocEx(
            IntPtr hProcess,
            IntPtr lpAddress,
            uint dwSize,
            uint flAllocationType,
            uint flProtect
            );
 
        [DllImport("kernel32.dll")]
        static extern bool WriteProcessMemory(
            IntPtr hProcess,
            IntPtr lpBaseAddress,
            string lpBuffer,
            UIntPtr nSize,
            out IntPtr lpNumberOfBytesWritten
        );
 
        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr GetModuleHandle(
            string lpModuleName
            );
 
        [DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
        internal static extern Int32 WaitForSingleObject(
            IntPtr handle,
            Int32 milliseconds
            );
 
        public Int32 GetProcessId(String proc)
        {
            Process[] ProcList;
            ProcList = Process.GetProcessesByName(proc);
            return ProcList[0].Id;
        }
        public void InjectDLL(IntPtr hProcess, String strDLLName)
        {
            IntPtr bytesout;
            Int32 LenWrite = strDLLName.Length + 1;
            IntPtr AllocMem = (IntPtr)VirtualAllocEx(hProcess, (IntPtr)null, (uint)LenWrite, 0x1000, 0x40);
            WriteProcessMemory(hProcess, AllocMem, strDLLName, (UIntPtr)LenWrite, out bytesout);
            UIntPtr Injector = (UIntPtr)GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
 
            if (Injector == null)
            {
                MessageBox.Show(" Injecto Error! \n ");
                return;
            }
            IntPtr hThread = (IntPtr)CreateRemoteThread(hProcess, (IntPtr)null, 0, Injector, AllocMem, 0, out bytesout);
            if (hThread == null)
            {
                MessageBox.Show("Thread injection Failed");
                return;
            }
            int Result = WaitForSingleObject(hThread, 10 * 1000);
            if (Result == 0x00000080L || Result == 0x00000102L || Result == 0xFFFFFFFF)
            {
                MessageBox.Show("Thread 2 inject failed");
                if (hThread != null)
                {
                    CloseHandle(hThread);
                }
                return;
            }
            Thread.Sleep(1000);
            VirtualFreeEx(hProcess, AllocMem, (UIntPtr)0, 0x8000);
            if (hThread != null)
            {
                CloseHandle(hThread);
            }
            return;
        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "DLL (*.dll)|*.dll" +
 "|All files (*.*)|*.*";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox1.Text = openFileDialog1.FileName;
            }
        }
 
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
        
        }
 
        private void comboBox1_SelectedIndexChanged_1(object sender, EventArgs e)
        {
            
        }
 
        private void comboBox1_Click(object sender, EventArgs e)
        {
            comboBox1.Items.Clear();
            foreach (Process clsProcess in Process.GetProcesses())
            {
                comboBox1.Items.Add(clsProcess.ProcessName);
            }
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            String strDLLName = textBox1.Text;
            String strProcessName = comboBox1.SelectedItem.ToString();
 
            Int32 ProcID = GetProcessId(strProcessName);
            if (ProcID >= 0)
            {
                IntPtr hProcess = (IntPtr)OpenProcess(0x1F0FFF, 1, ProcID);
                if (hProcess == null)
                {
                    MessageBox.Show("Ошибка");
                    return;
                }
                else
                {
                    InjectDLL(hProcess, strDLLName);
                    MessageBox.Show("Успешно! Можете закрыть программу");
                }
            }
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {

       }

        private void label1_Click(object sender, EventArgs e)
        {
 
        }
 
        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
 
        }
 
        private void pictureBox2_Click(object sender, EventArgs e)
        {
            
        }
 
        private void pictureBox4_Click(object sender, EventArgs e)
        {
 
        }
 
        private void pictureBox3_Click(object sender, EventArgs e)
        {
            Form1.ActiveForm.Close(); //закрыть форму
        }
 
        private void button3_Click(object sender, EventArgs e)
        {
 
        }

    }
}

Решение задачи: «Перемещение формы»

textual
                            Листинг программы 
                        

                            using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
 
namespace WindowsFormsApplication2
{
  
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.MouseDown += new MouseEventHandler(Form1_MouseDown);
        }
 
        void Form1_MouseDown(object sender, MouseEventArgs e)
        {
 
            ReleaseCapture();
            PostMessage(this.Handle, WM_SYSCOMMAND, DOMOVE, 0); 
 
 
        }
 
        [DllImport("user32", CharSet = CharSet.Auto)]
        internal extern static bool PostMessage(IntPtr hWnd, uint Msg, uint WParam, uint LParam);
 
        [DllImport("user32", CharSet = CharSet.Auto)]
        internal extern static bool ReleaseCapture();
 
        const uint WM_SYSCOMMAND = 0x0112;
        const uint DOMOVE = 0xF012;
        const uint DOSIZE = 0xF008;
 
 
      
    }
}
                        