资源简介
/* ========================================================================
* Copyright (c) 2005-2013 The OPC Foundation, Inc. All rights reserved.
*
* OPC Foundation MIT License 1.00
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* The complete license agreement can be found here:
* http://opcfoundation.org/License/MIT/1.00/
* ======================================================================*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Reflection;
using Opc.Ua.Configuration;
namespace Opc.Ua.Client.Controls
{
/// <summary>
/// Displays a drop down list of hosts.
/// </summary>
public partial class SelectHostCtrl : UserControl
{
#region Constructors
/// <summary>
/// Initializes the control.
/// </summary>
public SelectHostCtrl()
{
InitializeComponent();
}
#endregion
#region Private Fields
private int m_selectedIndex;
private bool m_selectDomains;
private event EventHandler<SelectHostCtrlEventArgs> m_HostSelected;
private event EventHandler<SelectHostCtrlEventArgs> m_HostConnected;
#endregion
#region Public Interface
/// <summary>
/// Whether the control is used to select domains instead of hosts.
/// </summary>
[System.ComponentModel.DefaultValue(false)]
public bool SelectDomains
{
get { return m_selectDomains; }
set { m_selectDomains = value; }
}
/// <summary>
/// The text displayed on the connect button.
/// </summary>
[System.ComponentModel.DefaultValue("Connect")]
public string CommandText
{
get { return ConnectBTN.Text; }
set { ConnectBTN.Text = value; }
}
/// <summary>
/// Displays a set of hostnames in the control.
/// </summary>
public void Initialize(string defaultHost, IList<string> hostnames)
{
HostsCB.Items.Clear();
// add option to browse for hosts.
HostsCB.Items.Add("<Browse...>");
// add any existing hosts.
if (hostnames != null)
{
foreach (string hostname in hostnames)
{
HostsCB.Items.Add(hostname);
}
}
// set a suitable default hostname.
if (String.IsNullOrEmpty(defaultHost))
{
defaultHost = System.Net.Dns.GetHostName();
if (hostnames != null && hostnames.Count > 0)
{
defaultHost = hostnames[0];
}
}
// set the current selection.
m_selectedIndex = HostsCB.FindString(defaultHost);
if (m_selectedIndex == -1)
{
m_selectedIndex = HostsCB.Items.Add(defaultHost);
}
HostsCB.SelectedIndex = m_selectedIndex;
}
/// <summary>
/// Raised when a host is selected in the control.
/// </summary>
public event EventHandler<SelectHostCtrlEventArgs> HostSelected
{
add { m_HostSelected = value; }
remove { m_HostSelected -= value; }
}
/// <summary>
/// Raised when the connect button is clicked.
/// </summary>
public event EventHandler<SelectHostCtrlEventArgs> HostConnected
{
add { m_HostConnected = value; }
remove { m_HostConnected -= value; }
}
#endregion
#region Event Handlers
private void HostsCB_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (HostsCB.SelectedIndex != 0)
{
if (m_HostSelected != null)
{
m_HostSelected(this, new SelectHostCtrlEventArgs((string)HostsCB.SelectedItem));
}
m_selectedIndex = HostsCB.SelectedIndex;
return;
}
if (!m_selectDomains)
{
// prompt user to select a host.
string hostname = new HostListDlg().ShowDialog(null);
if (hostname == null)
{
HostsCB.SelectedIndex = m_selectedIndex;
return;
}
// set the current selection.
m_selectedIndex = HostsCB.FindString(hostname);
if (m_selectedIndex == -1)
{
m_selectedIndex = HostsCB.Items.Add(hostname);
}
}
HostsCB.SelectedIndex = m_selectedIndex;
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
private void ConnectBTN_Click(object sender, EventArgs e)
{
try
{ int index = HostsCB.SelectedIndex;
if (index == 0)
{
return;
}
if (m_HostConnected != null)
{
if (index == -1)
{
if (!String.IsNullOrEmpty(HostsCB.Text))
{
m_HostConnected(this, new SelectHostCtrlEventArgs(HostsCB.Text));
}
// add host to list.
m_selectedIndex = HostsCB.FindString(HostsCB.Text);
if (m_selectedIndex == -1)
{
m_selectedIndex = HostsCB.Items.Add(HostsCB.Text);
}
return;
}
m_HostConnected(this, new SelectHostCtrlEventArgs((string)HostsCB.SelectedItem));
}
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
#endregion
}
#region SelectHostCtrlEventArgs Class
/// <summary>
/// The event arguments passed when the SelectHostCtrlEventArgs raises events.
/// </summary>
public class SelectHostCtrlEventArgs : EventArgs
{
/// <summary>
/// Initilizes the object with the current hostname.
/// </summary>
public SelectHostCtrlEventArgs(string hostname)
{
m_hostname = hostname;
}
/// <summary>
/// The current hostname.
/// </summary>
public string Hostname
{
get { return m_hostname; }
}
private string m_hostname;
}
#endregion
}
代码片段和文件信息
/* ========================================================================
* Copyright （c） 2005-2016 The OPC Foundation Inc. All rights reserved.
*
* OPC Foundation MIT License 1.00
*
* Permission is hereby granted free of charge to any person
* obtaining a copy of this software and associated documentation
* files （the “Software“） to deal in the Software without
* restriction including without limitation the rights to use
* copy modify merge publish distribute sublicense and/or sell
* copies of the Software and to permit persons to whom the
* Software is furnished to do so subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* THE SOFTWARE属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2018-08-08 07:22 UA-.NETStandard-master\
文件 855 2018-08-08 07:22 UA-.NETStandard-master\.gitattributes
文件 3892 2018-08-08 07:22 UA-.NETStandard-master\.gitignore
目录 0 2018-08-08 07:22 UA-.NETStandard-master\.nuget\
文件 319 2018-08-08 07:22 UA-.NETStandard-master\.nuget\NuGet.Config
文件 4239 2018-08-08 07:22 UA-.NETStandard-master\.travis.yml
目录 0 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\
目录 0 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\
目录 0 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\
目录 0 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\
文件 9347 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeAreaBrowser.cs
文件 5277 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeAreaState.cs
文件 2934 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeConditionState.cs
文件 8122 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeEventTypeState.cs
文件 5232 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeModelUtils.cs
文件 13442 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeParseNodeId.cs
文件 3657 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeSourceState.cs
文件 21536 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\AeTypeCache.cs
文件 13807 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeBrowserClient.cs
文件 15143 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeClient.cs
文件 2571 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeClientConfiguration.cs
文件 5281 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeClientManager.cs
文件 29849 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeClientNodeManager.cs
文件 4512 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeEventCallback.cs
文件 28802 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\Ae\ComAeSubsc
文件 9969 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComClient.cs
文件 5707 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComClientConfiguration.cs
文件 13284 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComClientManager.cs
文件 6795 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComClientNodeManager.cs
文件 4176 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComConnectionPoint.cs
文件 7429 2018-08-08 07:22 UA-.NETStandard-master\ComIOP\Common\Client\ComEnumString.cs
............此处省略2778个文件信息
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