User32dllStyles.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace sage.ew.conta.plugins
{
    static public class StyleHBDialog
    {
        private static readonly string TMDICHILD = "TMdiChildSP";

        public static void _ApplyStyle(IntPtr handleHB, Control controlContainer)
        {
            //redimensionamos al tamaño del control
            if (_IsMdiChild(handleHB))
            {
                _SetOwner(handleHB, controlContainer.Handle);
                User32dllCommands.MoveWindow(handleHB, 0, 0, controlContainer.Size.Width, controlContainer.Height, false);
            }
        }

        public static bool _IsMdiChild(IntPtr handleHB)
        {
            StringBuilder className = new StringBuilder();
            StringBuilder typeMDI = new StringBuilder(TMDICHILD);
            User32dllCommands.GetClassName(handleHB, className, 12);

            return className.Equals(typeMDI);
        }

        public static void _SetParentAndCentre(IntPtr handleHB, Form mainFrm)
        {
            try
            {
                int styleGet = User32dllCommands.GetWindowLong(handleHB, (int)WindowLongFlags.GWL_STYLE);
                styleGet &= ~(int)WindowStyles.WS_VISIBLE;
                styleGet &= Convert.ToInt32(WindowStyles.WS_POPUP);

                User32dllCommands.SetWindowLong(handleHB, (int)WindowLongFlags.GWL_STYLE, (uint)styleGet);
                User32dllCommands.SetParent(handleHB, mainFrm.Handle);

                User32dllCommands.SendMessage(handleHB, User32dllCommands.WM_SYSCOMMAND, User32dllCommands.SC_RESTORE, 0);
                _CenterWindow(handleHB, mainFrm);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        public static void _SetOwner(IntPtr handleHB, IntPtr handleParent)
        {
            User32dllCommands.SetWindowLong32(handleHB, -8, handleParent);
        }

        public static void _BringToFront(IntPtr handleHB)
        {
            User32dllCommands.ShowWindowAsync(handleHB, (int)ShowWindowCommands.ShowDefault);
            User32dllCommands.ShowWindowAsync(handleHB, (int)ShowWindowCommands.Show);
            User32dllCommands.SetForegroundWindow(handleHB);
        }

        static void _CenterWindow(IntPtr handleHB, Form mainFrm)
        {
            RECT rect;
            User32dllCommands.GetWindowRect(new HandleRef(mainFrm, handleHB), out rect);

            Size monitorDimensions = mainFrm.Size;
            int x1Pos = monitorDimensions.Width / 2 - (rect.Right - rect.Left) / 2;
            int x2Pos = rect.Right - rect.Left;
            int y1Pos = monitorDimensions.Height / 2 - (rect.Bottom - rect.Top) / 2;
            int y2Pos = rect.Bottom - rect.Top;

            User32dllCommands.SetWindowPos(handleHB, (IntPtr)0, x1Pos, y1Pos, x2Pos, y2Pos, SetWindowPosFlags.SWP_SHOWWINDOW);
        }


    }
}