实例介绍
【实例简介】
【实例截图】
【核心代码】
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.Runtime.InteropServices;
using LmcLib;
namespace Ezcad_Funtion_Show
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dlg.Filter = "Ezd files (*.ezd)|*.ezd";
if (dlg.ShowDialog() == DialogResult.OK)
{
textBox1.Text = dlg.FileName;
}
}
public void ShowPreviewBmp()
{
int w = pictureBox1.Size.Width;
int h = pictureBox1.Size.Height;
if (w > h)
{
w = h;
}
else
{
h = w;
}
pictureBox1.Image = MarkEzdDll.GetCurPreviewImage(w, h);
}
private void Form1_Load(object sender, EventArgs e)
{
try
{
String dir = Application.StartupPath;
int nErr = MarkEzdDll.Initialize(dir, false);
MessageBox.Show("Initial=" nErr.ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
this.Close();
}
}
private void button2_Click(object sender, EventArgs e)
{
if (!backgroundWorker1.IsBusy)
{
backgroundWorker1.RunWorkerAsync();
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
int nErr = MarkEzdDll.Mark(false);
//MessageBox.Show("Mark=" nErr.ToString());
}
private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
//MessageBox.Show("Finish");
//button8_Click(sender, e);
ShowPreviewBmp();
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
MarkEzdDll.Close();
}
private void button4_Click(object sender, EventArgs e)
{
MarkEzdDll.SetDevCfg();
}
private void button3_Click(object sender, EventArgs e)
{
MarkEzdDll.ChangeTextByName(textBox2.Text, textBox3.Text);
}
private void button6_Click(object sender, EventArgs e)
{
MarkEzdDll.ClearLibAllEntity();
ShowPreviewBmp();
}
private void button5_Click(object sender, EventArgs e)
{
/// <summary>
/// 向数据库添加一条曲线对象
/// 注意PtBuf必须为2维数组,且第一维为2,如 double[5,2],double[n,2],
/// ptNum为PtBuf数组的第2维,如PtBuf为double[5,2]数组,则ptNum=5
/// </summary>
///
double[,] PtBuf = { { 0,0 }, { 10,0 }, { 10,10 }, { 0,10}, { 0,0 } };//10x10的矩形
MarkEzdDll.AddCurveToLib(PtBuf, 5, "Curve", 0, 0);
ShowPreviewBmp();
}
private void button7_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dlg.Filter = "Ezd files (*.ezd)|*.ezd";
if (dlg.ShowDialog() == DialogResult.OK)
{
textBox4.Text = dlg.FileName;
}
}
bool test = false;
private void button8_Click(object sender, EventArgs e)
{
if (test)
{
if (MarkEzdDll.LoadEzdFile(textBox1.Text) != 0)
{
MessageBox.Show("打开Ezd文件" textBox1.Text "失败!");
}
else
{
test = false;
}
}
else
{
if (MarkEzdDll.LoadEzdFile(textBox4.Text) != 0)
{
MessageBox.Show("打开Ezd文件" textBox4.Text "失败!");
}
else
{
test = true;
}
}
ShowPreviewBmp();
}
}
public class MarkEzdDll
{
/// <summary>
/// 初始化函数库
/// PathName 是MarkEzd.dll所在的目录
/// </summary>
[DllImport("MarkEzd", EntryPoint = "lmc1_Initial2", CharSet= CharSet.Unicode,CallingConvention = CallingConvention.StdCall)]
public static extern int Initialize(string PathName,bool bTestMode);
[DllImport("MarkEzd", EntryPoint = "lmc1_SetDevCfg", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int SetDevCfg();
[DllImport("MarkEzd", EntryPoint = "lmc1_Close",CharSet= CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int Close();
[DllImport("MarkEzd", EntryPoint = "lmc1_LoadEzdFile", CharSet= CharSet.Unicode,CallingConvention = CallingConvention.StdCall)]
public static extern int LoadEzdFile(string FileName);
[DllImport("MarkEzd", EntryPoint = "lmc1_Mark",CharSet= CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int Mark(bool Fly);
[DllImport("MarkEzd", EntryPoint = "lmc1_ChangeTextByName", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int ChangeTextByName(string EntName, string NewText);
[DllImport("gdi32.dll")]
internal static extern bool DeleteObject(IntPtr hObject);
[DllImport("MarkEzd", EntryPoint = "lmc1_GetPrevBitmap2", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
internal static extern IntPtr GetCurPrevBitmap(int bmpwidth, int bmpheight);
public static Image GetCurPreviewImage(int bmpwidth, int bmpheight)
{
IntPtr pBmp = GetCurPrevBitmap(bmpwidth, bmpheight);
Image img = Image.FromHbitmap(pBmp);
MarkEzdDll.DeleteObject(pBmp);
return img;
}
[DllImport("MarkEzd", EntryPoint = "lmc1_AddCurveToLib", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int AddCurveToLib([MarshalAs(UnmanagedType.LPArray)] double[,] PtBuf, int ptNum, string strEntName, int nPenNo, int bHatch);
[DllImport("MarkEzd", EntryPoint = "lmc1_ClearEntLib", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern int ClearLibAllEntity();
}
}
好例子网口号：伸出你的我的手 — 分享！
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论