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Hacking FontDialog

, 23 Aug 2008
How to hide UI elements of a FontDialog (e.g., Font Size).
FontDialogHack.zip
FontDialogHack
FontDialogHack
bin
Debug
FontDialogHack.exe
FontDialogHack.vshost.exe
Properties
Settings.settings
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DrawTools;
using System.Runtime.InteropServices;

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

        private void btnBest_Click(object sender, EventArgs e)
        {
            FontDialogEx dialog = new FontDialogEx();
            //dialog.FontDialog.Font = new Font("Arial", 12f, FontStyle.Regular);
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                Font resFont = dialog.FontDialog.Font;
            }
        }

        private void btnFindWindow_Click(object sender, EventArgs e)
        {
            Timer dialog = new Timer();
            dialog.Tick += new EventHandler(dialog_Tick1);
            dialog.Interval = 500;
            dialog.Enabled = true;

            FontDialog fd = new FontDialog();
            fd.ShowDialog();
        }

        private void btnActiveWindow_Click(object sender, EventArgs e)
        {
            Timer dialog = new Timer();
            dialog.Tick += new EventHandler(dialog_Tick2);
            dialog.Interval = 500;
            dialog.Enabled = true;

            FontDialog fd = new FontDialog();
            fd.ShowDialog();
        }

        [DllImport("user32.dll")]
        static extern IntPtr GetActiveWindow();

        [DllImport("user32.dll", SetLastError = true)]
        static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        void dialog_Tick1(object sender, EventArgs e)
        {
            IntPtr dialogHandle = IntPtr.Zero;
            string dialogName = "Font"; 
            //Note that window title may be different if non-English Windows is used, for example "Bet�t�pus" in Hungarian

            dialogHandle = FindWindow("#32770", dialogName);
            while (dialogHandle == IntPtr.Zero) //this cycle can run forever if window cannot be found!!
            {
                dialogHandle = FindWindow("#32770", dialogName);
            }
            Win32.ShowWindow(Win32.GetDlgItem(dialogHandle, 1090), Win32.SW_HIDE);
            Win32.ShowWindow(Win32.GetDlgItem(dialogHandle, 1138), Win32.SW_HIDE);

            ((Timer)sender).Dispose();
        }

        void dialog_Tick2(object sender, EventArgs e)
        {
            IntPtr dialogHandle = GetActiveWindow(); //ok, but if active window is changed in the 500msec time...
            Win32.ShowWindow(Win32.GetDlgItem(dialogHandle, 1090), Win32.SW_HIDE);
            Win32.ShowWindow(Win32.GetDlgItem(dialogHandle, 1138), Win32.SW_HIDE);

            ((Timer)sender).Dispose();
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

legcsabi

Hungary Hungary
No Biography provided

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