cyf
131 lines
3.7 KiB
C#
131 lines
3.7 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.Diagnostics;
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using System.Windows;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing;
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using System.IO;
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using DevExpress.XtraEditors;
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namespace ControlLib.com {
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/// <summary>
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/// 主界面模块按钮
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/// </summary>
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public partial class ModuleButton : Label {
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//鼠标移开的图片
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private Image m_imgUp = null;
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//鼠标进入的图片
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private Image m_imgOver = null;
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//鼠标移开的图片文件名
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private string m_strUp = string.Empty;
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//鼠标进入的图片文件名
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private string m_strOver = string.Empty;
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//用来接收鼠标事件的空容器
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private PictureBox pic = new PictureBox();
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="w">控件宽度</param>
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/// <param name="h">控件高度</param>
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public ModuleButton(int w, int h) {
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//设置双缓冲
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
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this.Width = w;
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this.Height = h;
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this.ImageAlign = ContentAlignment.TopCenter;
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this.TextAlign = ContentAlignment.BottomCenter;
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this.BackColor = Color.White;
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pic.Width = 50;
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pic.Height = 50;
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pic.MouseEnter += new EventHandler(ImageButton_MouseEnter);
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pic.MouseLeave += new EventHandler(ImageButton_MouseLeave);
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pic.Top = 0;
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pic.BackColor = Color.Transparent;
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pic.Left = (w - pic.Width) / 2;
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pic.Cursor = Cursors.Hand;
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this.Controls.Add(pic);
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pic.BringToFront();
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}
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/// <summary>
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/// 初始化
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/// </summary>
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/// <param name="strUp">鼠标移开的文件名</param>
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/// <param name="strOver">鼠标进入的文件名</param>
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public void Init(string strUp, string strOver) {
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m_strUp = strUp;
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m_strOver = strOver;
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if (Visible)
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ChangeState(m_strUp, ref m_imgUp);
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}
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private void ChangeState(string strSource, ref Image imgSource) {
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if (strSource == string.Empty)
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return;
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if (imgSource == null) {
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if (File.Exists(strSource)) {
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imgSource = Image.FromFile(strSource);
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}
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else {
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XtraMessageBox.Show(strSource, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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this.Image = imgSource;
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pic.Top = 0;
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pic.Width = this.Image.Width;
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pic.Height = this.Image.Height;
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pic.Left = (this.Width - pic.Width) / 2;
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}
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private void ImageButton_MouseEnter(object sender, EventArgs e) {
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ChangeState(m_strOver, ref m_imgOver);
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}
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private void ImageButton_MouseLeave(object sender, EventArgs e) {
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ChangeState(m_strUp, ref m_imgUp);
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}
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protected override void OnVisibleChanged(EventArgs e) {
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base.OnVisibleChanged(e);
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if (Visible)
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ChangeState(m_strUp, ref m_imgUp);
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}
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/// <summary>
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/// 输出给外面可以点击的空容器
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/// </summary>
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public PictureBox Button {
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get { return pic; }
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}
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/// <summary>
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/// 附带参数
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/// </summary>
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private object m_Source = null;
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public object Source {
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get { return m_Source; }
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set { m_Source = value; }
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}
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public object[] SourceValue = null;
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}
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}
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