using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Panely
{
    public partial class MyControl : UserControl
    {
        const int WS_OVERLAPPED = 0x00000000;
        const uint WS_POPUP = 0x80000000;
        const int WS_CHILD = 0x40000000;
        const int WS_MINIMIZE = 0x20000000;
        const int WS_VISIBLE = 0x10000000;
        const int WS_DISABLED = 0x08000000;
        const int WS_CLIPSIBLINGS = 0x04000000;
        const int WS_CLIPCHILDREN = 0x02000000;
        const int WS_MAXIMIZE = 0x01000000;
        const int WS_CAPTION = 0x00C00000;    /* WS_BORDER | WS_DLGFRAME  */
        const int WS_BORDER = 0x00800000;
        const int WS_DLGFRAME = 0x00400000;
        const int WS_VSCROLL = 0x00200000;
        const int WS_HSCROLL = 0x00100000;
        const int WS_SYSMENU = 0x00080000;
        const int WS_THICKFRAME = 0x00040000;
        const int WS_GROUP = 0x00020000;
        const int WS_TABSTOP = 0x00010000;

        const int WS_MINIMIZEBOX = 0x00020000;
        const int WS_MAXIMIZEBOX = 0x00010000;

        const int WS_TILED = WS_OVERLAPPED;
        const int WS_ICONIC = WS_MINIMIZE;
        const int WS_SIZEBOX = WS_THICKFRAME;
        // const int  WS_TILEDWINDOW      =WS_OVERLAPPEDWINDOW;


        protected override CreateParams CreateParams
        {
            get
            {
                // new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();

                // Extend the CreateParams property of the Button class.
                CreateParams cp = base.CreateParams;
                // Update the button Style.
                // cp.Style |= 0x00000040; // BS_ICON value

                cp.Style |= WS_THICKFRAME /* | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU */;

                return cp;
            }
        }

        private static int citac = 0;

        public MyControl()
        {
            InitializeComponent();
            // ContextMenuStrip = contextMenuStrip1;
            citac ++;
            button1.Text = "" + citac;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            button1.Text = "Click";
        }

        int x0, y0;
        bool click = false;

        private void MyControl_MouseDown(object sender, MouseEventArgs e)
        {
            x0 = e.X;
            y0 = e.Y;
            click = true;
        }

        private void MyControl_MouseMove(object sender, MouseEventArgs e)
        {
            if (click)
            {
                if (e.Button == MouseButtons.Left)
                {
                    Point t = Location;
                    t.X += e.X - x0;
                    t.Y += e.Y - y0;
                    Location = t;
                    /*
                    Point t = Location;
                    t.Offset (e.X - x0, e.Y - y0);
                    Location = t;
                    */
                }
                else if (e.Button == MouseButtons.Middle)
                {
                    Size s = Size;
                    s.Width += e.X - x0;
                    s.Height += e.Y - y0;
                    Size = s;
                    x0 = e.X;
                    y0 = e.Y;
                }
            }
        }

        private void MyControl_MouseUp(object sender, MouseEventArgs e)
        {
            click = false;
        }

        private void contextMenuStrip1_Opening(object sender, CancelEventArgs e)
        {

        }

        private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {
            colorDialog1.Color = BackColor;
            if (colorDialog1.ShowDialog () == DialogResult.OK)
                BackColor = colorDialog1.Color;

        }

        private void toolStripMenuItem2_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                Bitmap b = new Bitmap(openFileDialog1.FileName);
                BackgroundImage = new Bitmap (b, Width, Height);
            }
        }
    }
}