一个自定义的窗体样式MessageBox控件

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using System.Runtime.InteropServices;

partial class CYMessageBox : Form
{

[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern bool MessageBeep(uint type);

[DllImport("Shell32.dll")]
public extern static int ExtractIconEx(string libName, int iconIndex, IntPtr[] largeIcon, IntPtr[] smallIcon, int nIcons);

static private IntPtr[] largeIcon;
static private IntPtr[] smallIcon;

static private CYMessageBox newMessageBox;
static private Label frmTitle;
static private Label frmMessage;
static private PictureBox pIcon;
static private FlowLayoutPanel flpButtons;
static private Icon frmIcon;

static private Button btnOK;
static private Button btnAbort;
static private Button btnRetry;
static private Button btnIgnore;
static private Button btnCancel;
static private Button btnYes;
static private Button btnNo;

static private DialogResult CYReturnButton;

public enum CYIcon
{
Error,
Explorer,
Find,
Information,
Mail,
Media,
Print,
Question,
RecycleBinEmpty,
RecycleBinFull,
Stop,
User,
Warning
}

public enum CYButtons
{
AbortRetryIgnore,
OK,
OKCancel,
RetryCancel,
YesNo,
YesNoCancel
}

static private void BuildMessageBox(string title)
{
newMessageBox = new CYMessageBox();
newMessageBox.Text = title;
newMessageBox.Size = new System.Drawing.Size(400, 200);
newMessageBox.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
newMessageBox.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
newMessageBox.Paint += new PaintEventHandler(newMessageBox_Paint);
newMessageBox.BackColor = System.Drawing.Color.White;

TableLayoutPanel tlp = new TableLayoutPanel();
tlp.RowCount = 3;
tlp.ColumnCount = 0;
tlp.Dock = System.Windows.Forms.DockStyle.Fill;
tlp.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 22));
tlp.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent,100F));
tlp.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50));
tlp.BackColor = System.Drawing.Color.Transparent;
tlp.Padding = new Padding(2, 5, 2, 2);

frmTitle = new Label();
frmTitle.Dock = System.Windows.Forms.DockStyle.Fill;
frmTitle.BackColor = System.Drawing.Color.Transparent;
frmTitle.ForeColor = System.Drawing.Color.White;
frmTitle.Font = new Font("Tahoma", 9, FontStyle.Bold);

frmMessage = new Label();
frmMessage.Dock = System.Windows.Forms.DockStyle.Fill;
frmMessage.BackColor = System.Drawing.Color.White;
frmMessage.Font = new Font("Tahoma", 9, FontStyle.Regular);
frmMessage.Text="hiii";

largeIcon = new IntPtr[250];
smallIcon = new IntPtr[250];
pIcon = new PictureBox();
ExtractIconEx("shell32.dll", 0, largeIcon, smallIcon, 250);

flpButtons = new FlowLayoutPanel();
flpButtons.FlowDirection = System.Windows.Forms.FlowDirection.RightToLeft;
flpButtons.Padding = new Padding(0, 5, 5, 0);
flpButtons.Dock = System.Windows.Forms.DockStyle.Fill;
flpButtons.BackColor = System.Drawing.Color.FromArgb(240, 240, 240);

TableLayoutPanel tlpMessagePanel = new TableLayoutPanel();
tlpMessagePanel.BackColor = System.Drawing.Color.White;
tlpMessagePanel.Dock = System.Windows.Forms.DockStyle.Fill;
tlpMessagePanel.ColumnCount = 2;
tlpMessagePanel.RowCount = 0;
tlpMessagePanel.Padding = new Padding(4, 5, 4, 4);
tlpMessagePanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute,50));
tlpMessagePanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent,100F));
tlpMessagePanel.Controls.Add(pIcon);
tlpMessagePanel.Controls.Add(frmMessage);

tlp.Controls.Add(frmTitle);
tlp.Controls.Add(tlpMessagePanel);
tlp.Controls.Add(flpButtons);
newMessageBox.Controls.Add(tlp);
}

/// <summary>
/// Message: Text to display in the message box.
/// </summary>
static public DialogResult Show(string Message)
{
BuildMessageBox("");
frmMessage.Text = Message;
ShowOKButton();
newMessageBox.ShowDialog();
return CYReturnButton;
}

/// <summary>
/// Title: Text to display in the title bar of the messagebox.
/// </summary>
static public DialogResult Show(string Message, string Title)
{
BuildMessageBox(Title);
frmTitle.Text = Title;
frmMessage.Text = Message;
ShowOKButton();
newMessageBox.ShowDialog();
return CYReturnButton;
}

/// <summary>
/// MButtons: Display CYButtons on the message box.
/// </summary>
static public DialogResult Show(string Message, string Title, CYButtons MButtons)
{
BuildMessageBox(Title); // BuildMessageBox method, responsible for creating the MessageBox
frmTitle.Text = Title; // Set the title of the MessageBox
frmMessage.Text = Message; //Set the text of the MessageBox
ButtonStatements(MButtons); // ButtonStatements method is responsible for showing the appropreiate buttons
newMessageBox.ShowDialog(); // Show the MessageBox as a Dialog.
return CYReturnButton; // Return the button click as an Enumerator
}

/// <summary>
/// MIcon: Display CYIcon on the message box.
/// </summary>
static public DialogResult Show(string Message, string Title, CYButtons MButtons, CYIcon MIcon)
{
BuildMessageBox(Title);
frmTitle.Text = Title;
frmMessage.Text = Message;
ButtonStatements(MButtons);
IconStatements(MIcon);
Image imageIcon = new Bitmap(frmIcon.ToBitmap(), 38, 38);
pIcon.Image = imageIcon;
newMessageBox.ShowDialog();
return CYReturnButton;
}

static void btnOK_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.OK;
newMessageBox.Dispose();
}

static void btnAbort_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.Abort;
newMessageBox.Dispose();
}

static void btnRetry_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.Retry;
newMessageBox.Dispose();
}

static void btnIgnore_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.Ignore;
newMessageBox.Dispose();
}

static void btnCancel_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.Cancel;
newMessageBox.Dispose();
}

static void btnYes_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.Yes;
newMessageBox.Dispose();
}

static void btnNo_Click(object sender, EventArgs e)
{
CYReturnButton = DialogResult.No;
newMessageBox.Dispose();
}

static private void ShowOKButton()
{
btnOK = new Button();
btnOK.Text = "OK";
btnOK.Size = new System.Drawing.Size(80, 25);
btnOK.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnOK.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnOK.Click += new EventHandler(btnOK_Click);
flpButtons.Controls.Add(btnOK);
}

static private void ShowAbortButton()
{
btnAbort = new Button();
btnAbort.Text = "Abort";
btnAbort.Size = new System.Drawing.Size(80, 25);
btnAbort.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnAbort.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnAbort.Click += new EventHandler(btnAbort_Click);
flpButtons.Controls.Add(btnAbort);
}

static private void ShowRetryButton()
{
btnRetry = new Button();
btnRetry.Text = "Retry";
btnRetry.Size = new System.Drawing.Size(80, 25);
btnRetry.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnRetry.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnRetry.Click += new EventHandler(btnRetry_Click);
flpButtons.Controls.Add(btnRetry);
}

static private void ShowIgnoreButton()
{
btnIgnore = new Button();
btnIgnore.Text = "Ignore";
btnIgnore.Size = new System.Drawing.Size(80, 25);
btnIgnore.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnIgnore.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnIgnore.Click += new EventHandler(btnIgnore_Click);
flpButtons.Controls.Add(btnIgnore);
}

static private void ShowCancelButton()
{
btnCancel = new Button();
btnCancel.Text = "Cancel";
btnCancel.Size = new System.Drawing.Size(80, 25);
btnCancel.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnCancel.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnCancel.Click += new EventHandler(btnCancel_Click);
flpButtons.Controls.Add(btnCancel);
}

static private void ShowYesButton()
{
btnYes = new Button();
btnYes.Text = "Yes";
btnYes.Size = new System.Drawing.Size(80, 25);
btnYes.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnYes.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnYes.Click += new EventHandler(btnYes_Click);
flpButtons.Controls.Add(btnYes);
}

static private void ShowNoButton()
{
btnNo = new Button();
btnNo.Text = "No";
btnNo.Size = new System.Drawing.Size(80, 25);
btnNo.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);
btnNo.Font = new Font("Tahoma", 8, FontStyle.Regular);
btnNo.Click += new EventHandler(btnNo_Click);
flpButtons.Controls.Add(btnNo);
}

static private void ButtonStatements(CYButtons MButtons)
{
if (MButtons == CYButtons.AbortRetryIgnore)
{
ShowIgnoreButton();
ShowRetryButton();
ShowAbortButton();
}

if (MButtons == CYButtons.OK)
{
ShowOKButton();
}

if (MButtons == CYButtons.OKCancel)
{
ShowCancelButton();
ShowOKButton();
}

if (MButtons == CYButtons.RetryCancel)
{
ShowCancelButton();
ShowRetryButton();
}

if (MButtons == CYButtons.YesNo)
{
ShowNoButton();
ShowYesButton();
}

if (MButtons == CYButtons.YesNoCancel)
{
ShowCancelButton();
ShowNoButton();
ShowYesButton();
}
}

static private void IconStatements(CYIcon MIcon)
{
if (MIcon == CYIcon.Error)
{
MessageBeep(30);
frmIcon = Icon.FromHandle(largeIcon[109]);
}

if (MIcon == CYIcon.Explorer)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[220]);
}

if (MIcon == CYIcon.Find)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[22]);
}

if (MIcon == CYIcon.Information)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[221]);
}

if (MIcon == CYIcon.Mail)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[156]);
}

if (MIcon == CYIcon.Media)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[116]);
}

if (MIcon == CYIcon.Print)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[136]);
}

if (MIcon == CYIcon.Question)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[23]);
}

if (MIcon == CYIcon.RecycleBinEmpty)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[31]);
}

if (MIcon == CYIcon.RecycleBinFull)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[32]);
}

if (MIcon == CYIcon.Stop)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[27]);
}

if (MIcon == CYIcon.User)
{
MessageBeep(0);
frmIcon = Icon.FromHandle(largeIcon[170]);
}

if (MIcon == CYIcon.Warning)
{
MessageBeep(30);
frmIcon = Icon.FromHandle(largeIcon[217]);
}
}

static void newMessageBox_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle frmTitleL = new Rectangle(0, 0, (newMessageBox.Width / 2), 22);
Rectangle frmTitleR = new Rectangle((newMessageBox.Width / 2), 0, (newMessageBox.Width / 2), 22);
Rectangle frmMessageBox = new Rectangle(0, 0, (newMessageBox.Width - 1), (newMessageBox.Height - 1));
LinearGradientBrush frmLGBL = new LinearGradientBrush(frmTitleL, Color.FromArgb(87, 148, 160), Color.FromArgb(209, 230, 243), LinearGradientMode.Horizontal);
LinearGradientBrush frmLGBR = new LinearGradientBrush(frmTitleR, Color.FromArgb(209, 230, 243), Color.FromArgb(87, 148, 160), LinearGradientMode.Horizontal);
Pen frmPen = new Pen(Color.FromArgb(63, 119, 143), 1);
g.FillRectangle(frmLGBL, frmTitleL);
g.FillRectangle(frmLGBR, frmTitleR);
g.DrawRectangle(frmPen, frmMessageBox);
}
}