如何在Windows Form应用程序中嵌入notepad ++以及如何对其进行控制？

Question

My code:

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private const int WM_SYSCOMMAND = 274; private const int SC_MAXIMIZE = 61488;

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]

    public static extern int SetParent(IntPtr hWndChild, IntPtr hWndNewParent);

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]
    public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);

    private void button1_Click(object sender, EventArgs e)
    {
        Process proc;
        proc = Process.Start("Notepad++.exe");
        proc.WaitForInputIdle();          
        SetParent(proc.MainWindowHandle,panel1.Handle);
        //SendMessage(proc.MainWindowHandle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
    }
}

When I execute notepad.exe instead of notepad++.exe , it works fine. Normal notepad comes inside the panel in the Windows Form . But when I use notepad++.exe , it is not seen inside the panel instead, is opened outside as a different window. I don't want this. My preference is notepad++ to be embedded inside panel my Windows Form , through which, I want to control the notepad++ .

Answer 1

Add Sleep after setParent it will work.

SetParent(proc.MainWindowHandle,panel1.Handle); Thread.Sleep(500)