cyf
147 lines
4.2 KiB
C#
147 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Windows.Forms;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace ControlLib.com
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{
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/// <summary>
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/// 主界面标题栏
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/// </summary>
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public partial class FormTitleBar : UserControl
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{
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//换了背景要重新设置该值
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public static int TITLEHEIGHT = 18;
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private Form m_ParentForm = null;
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public FormTitleBar(Form ParentForm)
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{
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InitializeComponent();
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m_ParentForm = ParentForm;
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this.Width = m_ParentForm.Width+20;
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m_ParentForm.Resize += new EventHandler(ParentResize);
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FormTitleBar.TITLEHEIGHT = this.picBg.Height;
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}
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private void FormTitleBar_Load(object sender, EventArgs e)
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{
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Bitmap bit = (Bitmap)picBg.Image;
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Color c = bit.GetPixel(100, 10);
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lblTitle.BackColor = c;
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lblTitle.Text = m_ParentForm.Text;
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btnMax.Parent = picBg;
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btnRestore.Parent = picBg;
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lblTitle.Parent = picBg;
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lblTitle.BackColor = Color.Transparent;
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btnMin.Parent = picBg;
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btnClose.Parent = picBg;
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string sPath = System.Environment.CurrentDirectory + "/Images/formTitleBar/";
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btnMin.Init(sPath + "min.png", sPath + "min_on.png");
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btnMax.Init(sPath + "min_max.png", sPath + "min_max_on.png");
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btnRestore.Init(sPath + "min_max.png", sPath + "min_max_on.png");
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btnRestore.Visible = false;
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btnClose.Init(sPath + "colse.png", sPath + "close_on.png");
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Reset();
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}
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//设置几个按钮位置
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private void Reset()
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{
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btnClose.Left = m_ParentForm.Width - 30;
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btnRestore.Left = m_ParentForm.Width - 60+3;
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btnMax.Left = m_ParentForm.Width - 60+3;
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btnMin.Left = m_ParentForm.Width - 90+3;
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}
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//主窗体发生尺寸改变
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private void ParentResize(object sender, EventArgs e)
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{
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Reset();
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}
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//最小化
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private void btnMin_Click(object sender, EventArgs e)
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{
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m_ParentForm.WindowState = FormWindowState.Minimized;
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}
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//最大化
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private void btnMax_Click(object sender, EventArgs e)
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{
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m_ParentForm.WindowState = FormWindowState.Maximized;
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btnRestore.Visible = true;
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btnMax.Visible = false;
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}
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//普通
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private void btnRestore_Click(object sender, EventArgs e)
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{
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m_ParentForm.WindowState = FormWindowState.Normal;
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btnRestore.Visible = false;
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btnMax.Visible = true;
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}
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//关闭
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private void btnClose_Click(object sender, EventArgs e)
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{
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m_ParentForm.Close();
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}
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//双击(最大化和还原)
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private void picBg_DoubleClick(object sender, EventArgs e)
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{
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if(btnMax.Visible)
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btnMax_Click(null, null);
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else
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btnRestore_Click(null, null);
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}
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[DllImport("user32.dll")]
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public static extern void ReleaseCapture();
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[DllImport("user32.dll")]
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public static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
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//private const int WM_NCHITTEST = 0x84;
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//private const int HTCLIENT = 0x1;
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private const int HTCAPTION = 0x0002;
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private const int WM_SYSCOMMAND = 0x0112;
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private const int SC_MOVE = 0xF010;
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private long preTick = DateTime.Now.Ticks;
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private void picBg_MouseDown(object sender, MouseEventArgs e)
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{
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long curTick = DateTime.Now.Ticks;
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//0.5秒内连续两次单机视为双击
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if ((curTick - preTick) < 500 * 10000)
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picBg_DoubleClick(null, null);
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preTick = curTick;
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ReleaseCapture();
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SendMessage(m_ParentForm.Handle, WM_SYSCOMMAND, (IntPtr)(SC_MOVE + HTCAPTION), IntPtr.Zero);
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}
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}
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}
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