转：Winform MessageBox 自定义按钮（支持国际化）

using System;

using System.Drawing;

using System.Runtime.InteropServices;

using System.Text;

using System.Windows.Forms;

 

namespace LEDController

{

    public class MessageBoxEx

    {

        public static DialogResult Show(string text)

        {

            MessageBoxButtons buttons = MessageBoxButtons.OK;

            string[] buttonTitles = GetbuttonTitles(buttons);

 

            MessageForm frm = new MessageForm(buttons, buttonTitles);

            frm.Show();

            frm.WatchForActivate = true;

            DialogResult result = MessageBox.Show(frm, text);

            frm.Close();

 

            return result;

        }

        public static DialogResult Show(string text, string caption, MessageBoxButtons buttons,

    MessageBoxIcon icon)

        {

            string[] buttonTitles = GetbuttonTitles(buttons);

            MessageForm frm = new MessageForm(buttons, buttonTitles);

            frm.Show();

            frm.WatchForActivate = true;

            DialogResult result = MessageBox.Show(frm, text, caption, buttons, icon);

            frm.Close();

 

            return result;

        }

        //The methods blow is reserved

        public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, string[] buttonTitles)

        {

            MessageForm frm = new MessageForm(buttons, buttonTitles);

            frm.Show();

            frm.WatchForActivate = true;

            DialogResult result = MessageBox.Show(frm, text, caption, buttons);

            frm.Close();

 

            return result;

        }

        public static DialogResult Show(string text, string caption, MessageBoxButtons buttons,

             MessageBoxIcon icon, string[] buttonTitles)

        {

            MessageForm frm = new MessageForm(buttons, buttonTitles);

            frm.Show();

            frm.WatchForActivate = true;

            DialogResult result = MessageBox.Show(frm, text, caption, buttons, icon);

            frm.Close();

 

            return result;

        }

        public static DialogResult Show(string text, string caption, MessageBoxButtons buttons,

            MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, string[] buttonTitles)

        {

            MessageForm frm = new MessageForm(buttons, buttonTitles);

            frm.Show();

            frm.WatchForActivate = true;

            DialogResult result = MessageBox.Show(frm, text, caption, buttons, icon, defaultButton);

            frm.Close();

 

            return result;

        }

 

        //Get the buttonTitles from Properties

        public static string[] GetbuttonTitles(MessageBoxButtons buttons)

        {

            string[] buttonTitles;

            switch (buttons)

            {

                case MessageBoxButtons.OK:

                    return buttonTitles = new string[] { Properties.Resources.MessageBoxOKButtonTitle };

                case MessageBoxButtons.OKCancel:

                    return buttonTitles = new string[] { Properties.Resources.MessageBoxOKButtonTitle, Properties.Resources.MessageBoxCancelButtonTitle };

                case MessageBoxButtons.YesNo:

                    return buttonTitles = new string[] { Properties.Resources.MessageBoxYESButtonTitle, Properties.Resources.MessageBoxNOButtonTitle };

                case MessageBoxButtons.YesNoCancel:

                    return buttonTitles = new string[] { Properties.Resources.MessageBoxYESButtonTitle, Properties.Resources.MessageBoxNOButtonTitle, Properties.Resources.MessageBoxCancelButtonTitle };

                default:

                    return buttonTitles = new string[] { Properties.Resources.MessageBoxOKButtonTitle };

            }

        }

        class MessageForm : Form

        {

            IntPtr _handle;

            MessageBoxButtons _buttons;

            string[] _buttonTitles = null;

 

            bool _watchForActivate = false;

 

            public bool WatchForActivate

            {

                get { return _watchForActivate; }

                set { _watchForActivate = value; }

            }

 

            public MessageForm(MessageBoxButtons buttons, string[] buttonTitles)

            {

                _buttons = buttons;

                _buttonTitles = buttonTitles;

 

                // Hide self form, and don't show self form in task bar. 

                this.Text = "";

                this.StartPosition = FormStartPosition.CenterScreen;

                this.Location = new Point(-32000, -32000);

                this.ShowInTaskbar = false;

            }

 

            protected override void OnShown(EventArgs e)

            {

                base.OnShown(e);

                // Hide self form, don't show self form even in task list. 

                NativeWin32API.SetWindowPos(this.Handle, IntPtr.Zero, 0, 0, 0, 0, 659);

            }

 

            protected override void WndProc(ref System.Windows.Forms.Message m)

            {

                if (_watchForActivate && m.Msg == 0x0006)

                {

                    _watchForActivate = false;

                    _handle = m.LParam;

                    CheckMsgbox();

                }

                base.WndProc(ref m);

            }

 

            private void CheckMsgbox()

            {

                if (_buttonTitles == null || _buttonTitles.Length == 0)

                    return;

 

                // Button title index 

                int buttonTitleIndex = 0;

                // Get the handle of control in current window. 

                IntPtr h = NativeWin32API.GetWindow(_handle, GW_CHILD);

 

                // Set those custom titles to the three buttons(Default title are: Yes, No and Cancle). 

                while (h != IntPtr.Zero)

                {

                    if (NativeWin32API.GetWindowClassName(h).Equals("Button"))

                    {

                        if (_buttonTitles.Length > buttonTitleIndex)

                        {

                            // Changes the text of the specified window's title bar (if it has one).  

                            // If the specified window is a control, the text of the control is changed.  

                            // However, SetWindowText cannot change the text of a control in another application. 

                            NativeWin32API.SetWindowText(h, _buttonTitles[buttonTitleIndex]);

 

                            buttonTitleIndex++;

                        }

                    }

 

                    // Get the handle of next control in current window. 

                    h = NativeWin32API.GetWindow(h, GW_HWNDNEXT);

                }

            }

        }

 

 

        public const int GW_CHILD = 5;

        public const int GW_HWNDNEXT = 2;

 

        public class NativeWin32API

        {

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

            public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int x, int y, intWidth, int Height, int flags);

            [DllImport("user32.dll")]

            public static extern IntPtr GetWindow(IntPtr hWnd, Int32 wCmd);

            [DllImport("user32.dll")]

            public static extern bool SetWindowText(IntPtr hWnd, string lpString);

            [DllImport("user32.dll")]

            public static extern int GetClassNameW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)]StringBuilder lpString, int nMaxCount);

 

            public static string GetWindowClassName(IntPtr handle)

            {

                StringBuilder sb = new StringBuilder(256);

 

                // Retrieves the name of the class to which the specified window belongs 

                GetClassNameW(handle, sb, sb.Capacity);

                return sb.ToString();

            }

        }

 

    }

}

转：子夜一梦