运行效果：
代码：
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms; namespace Sphinx.Utils
{
public class MessageBoxEx
{
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, 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;
} 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(-, -);
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, , , , , );
} 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 == )
return; // Button title index
int buttonTitleIndex = ;
// 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 = ;
public const int GW_HWNDNEXT = ; public class NativeWin32API
{
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int x, int y, int Width, 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(); // Retrieves the name of the class to which the specified window belongs
GetClassNameW(handle, sb, sb.Capacity);
return sb.ToString();
}
} } }