去掉最大化最小化关闭按钮代码,CSharp代码库,德仔网

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【CSharp】去掉最大化最小化关闭按钮

作者:x123jing / 发布于2014/2/24/ 520

去掉最大化最小化关闭按钮（不是关闭按钮变灰）终极解决办法

窗体的大小暂时设置为：（598, 362） 涂红的数据根据你的窗体大小改动

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

namespace WinDemo
{
  public partial class Form5 : Form
  {
    public Form5()
    {
      InitializeComponent();
    }

    /// <summary>
    /// Button 按钮重绘事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void button1_Paint(object sender, PaintEventArgs e)
    {
      GraphicsPath myPath = new GraphicsPath();
      Rectangle rect = new Rectangle(0,0,574,362);//后面2个数据调整窗体大小
      myPath.AddRectangle(rect);
      this.Region = new Region(myPath);
    }

    [DllImport("user32.dll")]
    static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);

    [DllImport("User32.dll")]

    private static extern IntPtr GetWindowDC(IntPtr hWnd);

    protected override void WndProc(ref System.Windows.Forms.Message m)
    {
      const int WM_NCPAINT = 0x85;
      base.WndProc(ref m);

      if (m.Msg == WM_NCPAINT)
      {

        IntPtr hdc = GetWindowDC(m.HWnd);
        if ((int)hdc != 0)
        {
          Graphics g = Graphics.FromHdc(hdc);
          Pen pen1 = new Pen(Color.FromArgb(64,64,64));
          Pen pen2 = new Pen(Color.FromArgb(128, 128, 128));
          Pen pen3 = new Pen(Color.FromArgb(212, 208, 200));
          g.DrawLine(pen1, 573, 0, 573, 360);//最外边
          g.DrawLine(pen2, 572, 1, 572, 359);//最外边第二条白色
          g.DrawLine(pen3, 571, 2, 571, 359);
          g.DrawLine(pen3, 571, 2, 571, 359);
          g.Flush();
          ReleaseDC(m.HWnd, hdc);
        }
      }
    }
    private void Form5_MouseCaptureChanged(object sender, EventArgs e)
    {
      Graphics g = this.CreateGraphics();
      Pen pen1 = new Pen(Color.FromArgb(64, 64, 64));
      Pen pen2 = new Pen(Color.FromArgb(128, 128, 128));
      Pen pen3 = new Pen(Color.FromArgb(212, 208, 200));
      g.DrawLine(pen1, 573, 0, 573, 360);//最外边
      g.DrawLine(pen2, 572, 1, 572, 359);//最外边第二条白色
      g.DrawLine(pen3, 571, 2, 571, 359);
      g.DrawLine(pen3, 571, 2, 571, 359);
      g.Flush();
    }
}
}

不能使用最大化窗口：MaximuzeBox 设为False
不能使用最小化窗口：MinimizeBox 设为False
不能使用红叉关闭
using System.Runtime.InteropServices;

 [DllImport("user32.dll")]
 internal static extern IntPtr GetSystemMenu(IntPtr hwnd, bool bRevert);

 [DllImport("user32.dll")]
 internal static extern int GetMenuItemCount(IntPtr hMenu);

 [DllImport("user32.dll")]
 internal static extern int RemoveMenu(IntPtr hMenu, int uPosition, int uFlags);

 /// <summary>
 /// 窗体的关闭按钮失效
 /// </summary>
 protected void CloseButtonEnable()
 {
 // 默认窗口去除关闭按钮
 const int MF_BYPOSITION = 0x00000400;

 IntPtr hWindow = this.Handle;
 IntPtr hMenu = GetSystemMenu(hWindow, false);
 int count = GetMenuItemCount(hMenu);
 RemoveMenu(hMenu, count - 1, MF_BYPOSITION);
 RemoveMenu(hMenu, count - 2, MF_BYPOSITION);
 }

 private void confirm_Load(object sender, EventArgs e)
 {
 CloseButtonEnable();

 }



Source Code :http://download.csdn.net/detail/zydcomputers/4055787

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