25111106 正压压28出货版本

tongxin/NetWorkHelper/ICommond/CommonMethod.cs

@@ -0,0 +1,85 @@
+
+using System.Net;
+using System.Windows.Forms;
+
+namespace NetWorkHelper.ICommond
+{
+    public class CommonMethod
+    {
+        /// <summary>
+        /// 域名转换为IP地址
+        /// </summary>
+        /// <param name="hostname">域名或IP地址</param>
+        /// <returns>IP地址</returns>
+        internal static string HostnameToIp(string hostname)
+        {
+            try
+            {
+                IPAddress ip;
+                if (IPAddress.TryParse(hostname, out ip))
+                    return ip.ToString();
+                else
+                    return Dns.GetHostEntry(hostname).AddressList[0].ToString();
+            }
+            catch
+            {
+                throw;
+            }
+        }
+        /// <summary>
+        /// 外部调用是否需要用Invoket
+        /// </summary>
+        /// <param name="func">事件参数</param>
+        internal static void EventInvoket(Action func)
+        {
+            Form form = null;
+            if (Application.OpenForms.Count > 0)
+            {
+                form = Application.OpenForms[0];
+            }
+            //Form form = Application.OpenForms.Cast<Form>().FirstOrDefault();
+            if (form != null && form.InvokeRequired)
+            {
+                form.Invoke(func);
+            }
+            else
+            {
+                func();
+            }
+        }
+        /// <summary>
+        /// 具有返回值的 非bool 外部调用是否需要用Invoket
+        /// </summary>
+        /// <param name="func">方法</param>
+        /// <returns>返回客户操作之后的数据</returns>
+        internal static object EventInvoket(Func<object> func)
+        {
+            object haveStr;
+            Form form = null;
+            if (Application.OpenForms.Count > 0)
+            {
+                form = Application.OpenForms[0];
+            }
+            //Form form = Application.OpenForms.Cast<Form>().FirstOrDefault();
+            if (form != null && form.InvokeRequired)
+            {
+                haveStr = form.Invoke(func);
+            }
+            else
+            {
+                haveStr = func();
+            }
+            return haveStr;
+        }
+        public delegate void Action();
+        public delegate TResult Func<TResult>();
+
+        public delegate TResult Func<T, TResult>(T a);
+
+        public delegate TResult Func<T1, T2, TResult>(T1 arg1, T2 arg2);
+
+        public delegate TResult Func<T1, T2, T3, TResult>(T1 arg1, T2 arg2, T3 arg3);
+
+        public delegate TResult Func<T1, T2, T3, T4, TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4);
+    }
+}