AFFICHAGE/MASQUAGE DU CLAVIER SIP(SOFT INPUT PANEL)

using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace AffichageMasquageClavierSIP
{
    public partial class frmMain : Form
    {
        [DllImport("coredll.dll")]
        private static extern bool SipShowIM(int dwFlag);

        public frmMain()
        {
            InitializeComponent();
        }

        private void btnShowSIP_Click(object sender, EventArgs e)
        {
            SipShowIM(1);  //Afficher   
        }

        private void btnHideSIP_Click(object sender, EventArgs e)
        {
            SipShowIM(0); // Masquer
        }

        private void txtText_GotFocus(object sender, EventArgs e)
        {
            SipShowIM(1);
        }

        private void txtText_LostFocus(object sender, EventArgs e)
        {
            SipShowIM(0); // Masquer
        }

        private void mnuExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}