C# ScreenShotter

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ScreenShot_tool
{
    class NonStaticMain
    {
        [DllImport("user32.dll")]
        static extern short GetAsyncKeyState(int vKey);

        public static bool IsKeyPushedDown(Keys vKey)
        {
            return 0 != (GetAsyncKeyState((int)vKey) & 0x8000);
        }

        public NonStaticMain()
        {
            while (true)
            {
                bool GotScreenShot = false;

                int image_X = 0;//X Location
                int image_Y = 0;//Y Location
                int image_W = 0;//Width
                int image_H = 0;//Height

                int originalX = Cursor.Position.X;
                int originalY = Cursor.Position.Y;
                while (IsKeyPushedDown(Keys.LButton))
                {
                    Rectangle rect = new Rectangle();
                    rect.X = Cursor.Position.X;
                    rect.Y = Cursor.Position.Y;

                    Pen pen = new Pen(Color.Gray);

                    using (Graphics graphics = Graphics.FromHwnd(IntPtr.Zero))
                    {
                        int currentX = Cursor.Position.X;
                        int currentY = Cursor.Position.Y;

                        //I'm sure t there's a more eficent way to do this. I'm just shit with maths.(I know it's not even complex maths :o)
                        #region my shitty maths for drawing a dragable rectangle
                        if (currentX >= originalX && currentY >= originalY)//bottom right
                        {
                            image_X = originalX;
                            image_Y = originalY;
                            image_W = (currentX - originalX);
                            image_H = (currentY - originalY);
                        }
                        else if (currentX <= originalX && currentY <= originalY)//upper left
                        {
                            image_X = currentX;
                            image_Y = currentY;
                            image_W = (originalX - currentX);
                            image_H = (originalY - currentY);
                        }
                        else if (currentX <= originalX)//bottom left
                        {
                            image_X = currentX;
                            image_Y = originalY;
                            image_W = (originalX - currentX);
                            image_H = (currentY - originalY);
                        }
                        else if (currentY <= originalY)//top right
                        {
                            image_X = originalX;
                            image_Y = currentY;
                            image_W = (currentX - originalX);
                            image_H = (originalY - currentY);
                        }

                        graphics.DrawRectangle(
                                pen,
                                image_X,
                                image_Y,
                                image_W,
                                image_H);
                        #endregion
                    }

                    GotScreenShot = true;
                }

                if (GotScreenShot)
                {
                    using (Bitmap bitmap = new Bitmap(image_W, image_H))
                    {
                        using (Graphics graphics = Graphics.FromImage(bitmap))
                        {
                            graphics.CopyFromScreen(image_X, image_Y, 0, 0, bitmap.Size, CopyPixelOperation.SourceCopy);

                            uploadScreenShot(bitmap);
                        }
                    }
                    break;
                }

                Thread.Sleep(30);
            }
        }

        void uploadScreenShot(Bitmap image)
        {
            //cba adding upload code rn, so I'll just save it :P
            string baseDirectory = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\screenshots";

            if (!Directory.Exists(baseDirectory))
                Directory.CreateDirectory(baseDirectory);

            string fileLocation = baseDirectory + "\\" + randomString() + ".png";
            image.Save(fileLocation, System.Drawing.Imaging.ImageFormat.Png);
            Process.Start(baseDirectory);
        }

        string randomString()
        {
            //Will return a random byte array in a string, cba making any other shit
            Random rand = new Random();
            string result = null;
            for (int i = 0; i < rand.Next(20, 40); i++)
                result += ((byte)rand.Next(0, 255)).ToString("X");

            return result;
        }
    }
}
#region old code
/*if (currentX >= originalX && currentY >= originalY)//bottom right
                        {
                            graphics.DrawRectangle(
                                pen,
                                originalX,
                                originalY,
                                (currentX - originalX),
                                (currentY - originalY));


                        }
                        else if (currentX <= originalX && currentY <= originalY)//upper left
                        {
                            graphics.DrawRectangle(
                                pen,
                                currentX,
                                currentY,
                                (originalX - currentX),
                                (originalY - currentY));
                        }
                        else if (currentX <= originalX)//bottom left
                        {
                            graphics.DrawRectangle(
                                pen,
                                currentX,
                                originalY,
                                (originalX - currentX),
                                (currentY - originalY));
                        }
                        else if (currentY <= originalY)//top right
                        {
                            graphics.DrawRectangle(
                                pen,
                                originalX,
                                currentY,
                                (currentX - originalX),
                                (originalY - currentY));
                        }*/
#endregion