C#：Win32 Hooks（二）让MessageBox自动显示在父窗体中心

前言：

在WinForm里，无论你是否指定owner，MessageBox总是显示在屏幕中心，而不是父窗体中心。要想让其显示在父窗体中心，你不得不借助强大的Win32 Hooks。

源代码：

MessageBoxPlus.cs

/* ----------------------------------------------------------
文件名称：MessageBoxPlus.cs

作者：秦建辉

MSN：[e-mail]
QQ：36748897

博客：http://blog.csdn.net/jhqin

开发环境：
    Visual Studio V2010
    .NET Framework 4 Client Profile

版本历史：
    V1.0	2012年05月07日			
            让MessageBox自动显示在父窗体中心
------------------------------------------------------------ */
using System;
using System.Windows.Forms;

namespace Splash.Windows.Forms
{
    public class MessageBoxPlus
    {
        public static DialogResult Show(IWin32Window owner, String text)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defButton)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defButton);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defButton, MessageBoxOptions options)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defButton, options);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options, String helpFilePath)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defaultButton, options, helpFilePath);
        }

        public static DialogResult Show(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options, String helpFilePath, String keyword)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defaultButton, options, helpFilePath, keyword);
        }

        public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defaultButton, options, helpFilePath, navigator);
        }

        public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options, string helpFilePath, HelpNavigator navigator, Object param)
        {
            owner.CenterChild();
            return MessageBox.Show(owner, text, caption, buttons, icon, defaultButton, options, helpFilePath, navigator, param);
        }
    }
}