https://docs.xsharp.it/ 2026-05-16T06:46:24+00:00 https://docs.xsharp.it/ https://docs.xsharp.it/lib/exe/fetch.php?media=favicon.ico text/html 2018-05-23T09:20:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:arrayfind&rev=1527067220&do=diff Find an element in a .NET array using System function Start( ) as void local aString as string[] local cFind as string aString := <string>{ "one", "two", "three", "four" } cFind := Array.Find( aString, {|c| c == "two" } ) System.Console.WriteLine("Found:" + cFind ) return text/html 2018-05-23T09:17:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:arrayhelper&rev=1527067035&do=diff Array access with 0-based and 1-based array This code is a sample how to write code that works with both 0-based and 1-based array, independently from the current compiler option. function Start( ) as void local aData as string[] local nLen as int local nI as int aData := <string>{ "one", "two", "three", "four", "five", "six", "seven" } nLen := aData:Length - 1 + __ARRAYBASE__ for nI := __ARRAYBASE__ upto nLen System.Console.WriteLine( String.Format( "member {0} is {1}", nI… text/html 2018-09-11T04:12:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:broadcast_message_winforms&rev=1536639160&do=diff Broadcasting a message to all windows in a WinForms application All VO users know about BroadcastMessage method from SSA example to etablish a communication system between different windows (Forms). It’s very easy to implement this in X#. It’s also more powerful. text/html 2024-09-16T04:10:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:code_samples&rev=1726459804&do=diff Collection of code samples * Code that works with 0-based and 1-based arrays * Find an element in a .NET array * Access a member in a list * How to remove an item from a dictionary * Get the current system language * Get the calling processes (father processes) * How delegates work * Instance initializers in the constructor * Using static * Indexed property * Sorting a collection using LinQ * Sorting an object collection using a delegate * Initialize a .NET array * B… text/html 2018-05-23T09:45:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:delegateswork&rev=1527068707&do=diff How delegates work function Start( ) as void DelegatesTester{}:Check() return delegate IntDelegate( nParm as int ) as void class DelegatesTester constructor() return method Check() as void local oDelegate as IntDelegate oDelegate := Execute1 oDelegate:Invoke( 123 ) oDelegate:Invoke( 456 ) oDelegate := Execute2 oDelegate:Invoke( 123 ) oDelegate:Invoke( 456 ) // oDelegate:Invoke( "Hi" ) oDelegate := Execute3 oDelegate( 789 ) … text/html 2024-09-16T09:06:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:exception_handling_program_startup&rev=1726477601&do=diff Exception handling at program startup Specially GUI applications can show a undesiderable behavior if the encounter a failure before the GUI is initialized. That can be a missing and needed DLL, a runtime error in the initialization of the GUI itself or some other undesired behavior. The solution is to implement an own startip method that uses alternative ways to display the error and exit, maybe using the Windows Console and/or writing to an error log. The implementation differs a bit dependin… text/html 2018-05-23T09:53:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:getcallingprocesses&rev=1527069213&do=diff Get the calling processes (father processes) using System.Diagnostics using System.Runtime.InteropServices function Start( ) as void local oProcess as Process local nID as int local cProcessName as string oProcess := Process.GetCurrentProcess() nId := oProcess:Id while nId > 0 try oProcess := Process.GetProcessById( nId ) if oProcess == null cPro… text/html 2018-05-23T09:42:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:getsystemlanguage&rev=1527068572&do=diff Get the current system language function Start( ) as void local oCultureInfo as System.Globalization.CultureInfo local cReturn as string oCultureInfo := System.Globalization.CultureInfo.CurrentUICulture cReturn := oCultureInfo:Name System.Console.WriteLine( "System language: " + cReturn ) return text/html 2018-05-30T14:58:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:indexed_property&rev=1527692301&do=diff Indexed Property using System.Collections.Generic function Start() as void local oObject as IndexedProperty oObject := IndexedProperty{} oObject["MyProp"] := "Hello X#" oObject["Prop2"] := "Hello again" System.Console.WriteLine( "MyProp:" + oObject["MyProp"] ) System.Console.WriteLine( "Prop2:" + oObject["Prop2"] ) System.Console.WriteLine( "Prop3:" + oObject["Prop3"] ) return class IndexedProperty protect _oValues as Dictionary<string,string> constructor() _oVa… text/html 2018-05-31T03:43:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:initalizing_net_array&rev=1527738217&do=diff Initialize a .NET array local aNumbers as int[] aNumbers := <int>{ 1, 2, 3, 4, 5 } local aStrings as string[] aString := <string>{ "X#", "C#" } local aStrings as string[][] // jagged array or array of arrays aStrings := <string[]>{ <string>{ "X#", "www.xsharp.info" }, <string>{ "C#", "www.microsoft.com" } } text/html 2018-05-23T09:24:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:listmemberaccess&rev=1527067454&do=diff Access a member in a list using System.Collections.Generic function Start( ) as void local oList as List<string> local nI as int oList := List<string>{} oList:Add( "Chris" ) oList:Add( "Nikos" ) oList:Add( "Robert" ) oList:Add( "Fabrice" ) for nI := 0 upto oList:Count - 1 System.Console.WriteLine( oList[nI] ) System.Console.WriteLine( oList:Item[nI] ) next return text/html 2018-05-30T19:46:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:named_parameters&rev=1527709609&do=diff Instance initializers in the constructor function Start( ) as void local oObject as MyClass oObject := MyClass{}{ MyProp := "Hello X#" } System.Console.WriteLine( oObject:MyProp ) return class MyClass constructor() return property MyProp as string auto end class text/html 2018-05-23T09:40:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:removedictionaryitem&rev=1527068437&do=diff Remove an item from a dictionary using System.Collections.Generic using System.Data using System.Linq function Start( ) as void local oDict as Dictionary<string,int> local nItem as int local nItems as int local aRemove as int[] local nLength as int local oRemove as List<string> local nChoice as int nChoice := 5 // change to test different possibilities nItems := 10000 System.Console.WriteLine( i"Building the dictionary with {nItems} items" ) oDict := Dictionary<string,int>{} for … text/html 2026-03-18T12:58:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:sorting_collection_delegate&rev=1773838727&do=diff Sorting an object collection using a delegate class Person constructor( cName as string ) self:Name := cName return public property Name as string auto end class local oPersons as List<Person> oPersons := List<Person>{} oPersons:Add( Person{ "Robert" } ) oPersons:Add( Person{ "Fabrice" } ) oPersons:Add( Person{ "Chris" } ) oPersons:Add( Person{ "Nikos" } ) oPersons:Sort( ; delegate( o1 as Person, o2 as Person ) { local nResult as int nResult := o1:Name:CompareTo( o2:Name ) retur… text/html 2018-05-30T15:21:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:sorting_collection&rev=1527693714&do=diff Sorting a collection using System.Collections.Generic using System.Linq using System // Important: include at least System, System.Core, System.Linq function Start( ) as void local oTrackList as List<Track> oTrackList := List<Track>{} oTrackList:Add( Track{ 12 } ) oTrackList:Add( Track{ 23 } ) oTrackList:Add( Track{ 34 } ) oTrackList:Add( Track{ 45 } ) oTrackList:Add( Track{ 56 } ) oTrackList:Add( Track{ 67 } ) foreach oTrack as Track in oTrackList… text/html 2018-05-30T14:38:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.xsharp.it/doku.php?id=codesamples:using_static&rev=1527691080&do=diff Using static using static System.Console function Start( ) as void WriteLine( "Hello X#" ) // equivalent to: // System.Console.WriteLine( "Hello X#" ) return