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Itisango id:Itisango

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C++/CLI ã®åŸºç¤Ž ( ãƒ‡ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã¨ãƒ•ã‚¡ã‚¤ãƒŠãƒ©ã‚¤ã‚¶ ) - â€¦Inertia
Itisango 2021/08/30
Microsoft

programming

software

development

CLI

dotNET

class

object

.NET
ãƒªãƒ³ã‚¯
FileInfo ã‚¯ãƒ©ã‚¹ (System.IO)
ä¾‹ æ¬¡ã®ä¾‹ã¯ã€FileInfo ã‚¯ãƒ©ã‚¹ã®ãƒ¡ã‚¤ãƒ³ ãƒ¡ãƒ³ãƒãƒ¼ã®ä¸€éƒ¨ã‚’ç¤ºã—ã¦ã„ã¾ã™ã€‚ ãƒ—ãƒãƒ‘ãƒ†ã‚£ãŒæœ€åˆã«å–å¾—ã•ã‚Œã‚‹ã¨ã€FileInfo ã¯ Refresh ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å‘¼ã³å‡ºã—ã€ãƒ•ã‚¡ã‚¤ãƒ«ã«é–¢ã™ã‚‹æƒ…å ±ã‚’ã‚ãƒ£ãƒƒã‚·ãƒ¥ã—ã¾ã™ã€‚ å¾Œç¶šã®å‘¼ã³å‡ºã—ã§ã¯ã€Refresh ã‚’å‘¼ã³å‡ºã—ã¦ã€æƒ…å ±ã®æœ€æ–°ã®ã‚³ãƒ”ãƒ¼ã‚’å–å¾—ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ using namespace System; using namespace System::IO; int main() { String^ path = Path::GetTempFileName(); FileInfo^ fi1 = gcnew FileInfo( path ); //Create a file to write to. StreamWriter^ sw = fi1->CreateText(); try { sw->WriteLine( "Hello" ); sw
Itisango 2021/08/30
Microsoft

Windows

file

filesystem

class

system

dotNet

.NET
ãƒªãƒ³ã‚¯
sealed ä¿®é£¾å - C# reference
sealed ä¿®é£¾åã‚’ã‚¯ãƒ©ã‚¹ã«é©ç”¨ã™ã‚‹ã¨ã€ä»–ã®ã‚¯ãƒ©ã‚¹ãŒã‚¯ãƒ©ã‚¹ã‹ã‚‰ç¶™æ‰¿ã§ããªããªã‚Šã¾ã™ã€‚ æ¬¡ã®ä¾‹ã§ã¯ã€ã‚¯ãƒ©ã‚¹ B ã¯ã‚¯ãƒ©ã‚¹ Aã‹ã‚‰ç¶™æ‰¿ã—ã¾ã™ãŒã€ã‚¯ãƒ©ã‚¹ Bã‹ã‚‰ç¶™æ‰¿ã§ãã‚‹ã‚¯ãƒ©ã‚¹ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ class A {} sealed class B : A {} åŸºåº•ã‚¯ãƒ©ã‚¹ã®ä»®æƒ³ãƒ¡ã‚½ãƒƒãƒ‰ã¾ãŸã¯ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã™ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰ã¾ãŸã¯ãƒ—ãƒãƒ‘ãƒ†ã‚£ã«å¯¾ã—ã¦ã€sealed ä¿®é£¾åã‚’ä½¿ç”¨ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ ã“ã‚Œã«ã‚ˆã‚Šã€ã‚¯ãƒ©ã‚¹ã‹ã‚‰æ´¾ç”Ÿã™ã‚‹ã‚¯ãƒ©ã‚¹ã‚’è¨±å¯ã—ã€ç‰¹å®šã®ä»®æƒ³ãƒ¡ã‚½ãƒƒãƒ‰ã¾ãŸã¯ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã§ããªã„ã‚ˆã†ã«ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ä¾‹ æ¬¡ã®ä¾‹ã§ã¯ã€Z ã¯ Y ã‹ã‚‰ç¶™æ‰¿ã—ã¾ã™ãŒã€Z ã¯ã€F ã§å®£è¨€ã•ã‚Œã€Xã§ã‚·ãƒ¼ãƒ«ã•ã‚Œã¦ã„ã‚‹ä»®æƒ³é–¢æ•° Y ã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã§ãã¾ã›ã‚“ã€‚ class X { protected virtual void F() { Console.WriteLine("X.F"); } pr
Itisango 2020/11/09
ã€Œsealed ä¿®é£¾åã‚’ã‚¯ãƒ©ã‚¹ã«é©ç”¨ã™ã‚‹ã¨ã€ãã‚Œä»¥å¤–ã®ã‚¯ãƒ©ã‚¹ãŒã€ãã®ã‚¯ãƒ©ã‚¹ã‹ã‚‰ç¶™æ‰¿ã§ããªããªã‚Šã¾ã™ã€‚ æ¬¡ã®ä¾‹ã§ã¯ã€B ã‚¯ãƒ©ã‚¹ã¯ A ã‚¯ãƒ©ã‚¹ã‚’ç¶™æ‰¿ã—ã¾ã™ãŒã€B ã‚¯ãƒ©ã‚¹ã‹ã‚‰ã¯ã©ã®ã‚¯ãƒ©ã‚¹ã‚‚ç¶™æ‰¿ã§ããªããªã‚Šã¾ã™ã€‚ã€ #Csharp

ã‚ã¨ã§èªã‚€

Microsoft

programming

software

development

C#

.NET

class

sealed

inherit
ãƒªãƒ³ã‚¯
SByte æ§‹é€ ä½“ (System)
public value class System::SByte : IComparable, IComparable<System::SByte>, IConvertible, IEquatable<System::SByte>, IFormattable public value class System::SByte : IComparable, IComparable<System::SByte>, IConvertible, IEquatable<System::SByte>, ISpanFormattable public value class System::SByte : IComparable<System::SByte>, IConvertible, IEquatable<System::SByte>, IParsable<System::SByte>, ISpanP
Itisango 2020/10/26
Microsoft

programming

software

development

.NET

byte

SByte

type

class

ã‚ã¨ã§èªã‚€
ãƒªãƒ³ã‚¯
PrintDialog ã‚¯ãƒ©ã‚¹ (System.Windows.Forms)
ä¾‹ æ¬¡ã®ã‚³ãƒ¼ãƒ‰ä¾‹ã§ã¯ã€ ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã‚’ä½¿ç”¨PrintDialogã—ã¦ã€ã€ShowHelpã€ãŠã‚ˆã³ Document ã®å„ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚’è¨å®šã™ã‚‹AllowSomePagesæ–¹æ³•ã‚’ç¤ºã—ã¾ã™ã€‚ ã“ã®ä¾‹ã‚’å®Ÿè¡Œã™ã‚‹ã«ã¯ã€ ã¨ã„ã†åå‰ã®ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã¨ ã¨ã„ã†PrintDialog1åå‰ã®ãƒœã‚¿ãƒ³Button1ã‚’å«ã‚€PrintDialogãƒ•ã‚©ãƒ¼ãƒ ã«æ¬¡ã®ã‚³ãƒ¼ãƒ‰ã‚’è²¼ã‚Šä»˜ã‘ã¾ã™ã€‚ ã“ã®ä¾‹ã§ã¯ã€ãƒœã‚¿ãƒ³ã® Click ã‚¤ãƒ™ãƒ³ãƒˆã¨ ã®ã‚¤ãƒ™ãƒ³ãƒˆdocToPrintãŒPrintPageã€ã“ã®ä¾‹ã§å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã‚¤ãƒ™ãƒ³ãƒˆå‡¦ç†ãƒ¡ã‚½ãƒƒãƒ‰ã«æŽ¥ç¶šã•ã‚Œã¦ã„ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ // Declare the PrintDocument object. System::Drawing::Printing::PrintDocument^ docToPrint; // This method will set properties on the
Itisango 2020/10/08
ç¶™æ‰¿ Objectâ†’MarshalByRefObjectâ†’Componentâ†’CommonDialogâ†’PrintDialog #dotNet

ã‚ã¨ã§èªã‚€

Microsoft

programming

software

development

printer

dialog

.NET

framework

class
ãƒªãƒ³ã‚¯
Match ã‚¯ãƒ©ã‚¹ (System.Text.RegularExpressions)
ä¾‹ 1 æ¬¡ã®ä¾‹ã§ã¯ã€ãƒ¡ã‚½ãƒƒãƒ‰ã‚’ Regex.Matches(String, String) å‘¼ã³å‡ºã—ã¦ã€å…¥åŠ›æ–‡å—åˆ—å†…ã®ã™ã¹ã¦ã®ãƒ‘ã‚¿ãƒ¼ãƒ³ä¸€è‡´ã‚’å–å¾—ã—ã¾ã™ã€‚ æ¬¡ã«ã€è¿”ã•ã‚ŒãŸMatchCollectionã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆå†…ã®Matchã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’åå¾©å‡¦ç†ã—ã¦ã€å„ä¸€è‡´ã«é–¢ã™ã‚‹æƒ…å ±ã‚’è¡¨ç¤ºã—ã¾ã™ã€‚ using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string input = "int[] values = { 1, 2, 3 };\n" + "for (int ctr = values.GetLowerBound(1); ctr <= values.GetUpperBound(1); ctr++)\n" + "{\n" + " Console.Wr
Itisango 2020/03/04
ã‚ã¨ã§èªã‚€

microsoft

source

code

class

system

.NET

Microsoft

software

programming
ãƒªãƒ³ã‚¯
Regex ã‚¯ãƒ©ã‚¹ (System.Text.RegularExpressions)
public ref class Regex public ref class Regex : System::Runtime::Serialization::ISerializable public class Regex public class Regex : System.Runtime.Serialization.ISerializable [System.Serializable] public class Regex : System.Runtime.Serialization.ISerializable type Regex = class type Regex = class interface ISerializable [<System.Serializable>] type Regex = class interface ISerializable Public C
Itisango 2020/03/04
Microsoft

ã‚ã¨ã§èªã‚€

programming

software

development

.NET

regex

class

object
ãƒªãƒ³ã‚¯
VB.NETã®DataTableåˆ—ï¼ˆColumnsï¼‰ | ã·ã‚ãã‚‰ã‚€ãƒŽãƒ¼ãƒˆ
DataTableã§ä½¿ç”¨ã™ã‚‹åˆ—ï¼ˆColumnsãƒ—ãƒãƒ‘ãƒ†ã‚£ï¼‰ã®æ“ä½œã‚’èª¬æ˜Žã—ã¾ã™ã€‚ åˆ—ï¼ˆãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ï¼‰ã®è¿½åŠ ãŠã‚ˆã³ä¸»ã‚ãƒ¼ã®è¨å®šã‚’ã™ã‚‹ Dim tbl As DataTable = New DataTable("Table1") Dim PrimaryColumn As DataColumn PrimaryColumn = tbl.Columns.Add("ID", Type.GetType("System.Int32")) tbl.Columns.Add("It em1", Type.GetType("System.String")) tbl.Columns.Add("It em2", Type.GetType("System.String")) tbl.Columns.Add("It em3", Type.GetType("System.Double")) 'ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã«ä¸»ã‚ãƒ¼ã‚’è¨å®š(IDã‚’ä¸»ã‚ãƒ¼ã«
Itisango 2019/08/25
Microsoft #VB

ã‚ã¨ã§èªã‚€

VB

.NET

DataTable

DataColumn

framework

Type

class
ãƒªãƒ³ã‚¯
ã‚¿ã‚¹ã‚¯ ãƒ™ãƒ¼ã‚¹ã®éžåŒæœŸãƒ‘ã‚¿ãƒ¼ãƒ³ (TAP): ç´¹ä»‹ã¨æ¦‚è¦ - .NET
.NET ã§ã¯ã€ã‚¿ã‚¹ã‚¯ ãƒ™ãƒ¼ã‚¹ã®éžåŒæœŸãƒ‘ã‚¿ãƒ¼ãƒ³ã¯ã€æ–°ã—ã„é–‹ç™ºã«æŽ¨å¥¨ã•ã‚Œã‚‹éžåŒæœŸè¨è¨ˆãƒ‘ã‚¿ãƒ¼ãƒ³ã§ã™ã€‚ ã“ã‚Œã¯ã€éžåŒæœŸæ“ä½œã‚’è¡¨ã™ãŸã‚ã«ä½¿ç”¨ã•ã‚Œã‚‹Taskåå‰ç©ºé–“ã®Task<TResult>åž‹ã¨System.Threading.Tasksåž‹ã«åŸºã¥ã„ã¦ã„ã¾ã™ã€‚ åå‰ä»˜ã‘ã€ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãƒ¼ã€ãŠã‚ˆã³æˆ»ã‚Šå€¤ã®åž‹ TAP ã§ã¯ã€1 ã¤ã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’ä½¿ç”¨ã—ã¦ã€éžåŒæœŸæ“ä½œã®é–‹å§‹ã¨å®Œäº†ã‚’è¡¨ã—ã¾ã™ã€‚ ã“ã‚Œã¯ã€éžåŒæœŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° ãƒ¢ãƒ‡ãƒ« (APM ã¾ãŸã¯ IAsyncResult) ãƒ‘ã‚¿ãƒ¼ãƒ³ã¨ã‚¤ãƒ™ãƒ³ãƒˆ ãƒ™ãƒ¼ã‚¹ã®éžåŒæœŸãƒ‘ã‚¿ãƒ¼ãƒ³ (EAP) ã®ä¸¡æ–¹ã¨å¯¾ç…§çš„ã§ã™ã€‚ APM ã«ã¯ã€ Begin ãƒ¡ã‚½ãƒƒãƒ‰ã¨ End ãƒ¡ã‚½ãƒƒãƒ‰ãŒå¿…è¦ã§ã™ã€‚ EAP ã«ã¯ã€ Async ã‚µãƒ•ã‚£ãƒƒã‚¯ã‚¹ã‚’æŒã¤ãƒ¡ã‚½ãƒƒãƒ‰ãŒå¿…è¦ã§ã™ã€‚ã¾ãŸã€1 ã¤ä»¥ä¸Šã®ã‚¤ãƒ™ãƒ³ãƒˆã€ã‚¤ãƒ™ãƒ³ãƒˆ ãƒãƒ³ãƒ‰ãƒ©ãƒ¼ ãƒ‡ãƒªã‚²ãƒ¼ãƒˆåž‹ã€ãŠã‚ˆã³ EventArgæ´¾ç”Ÿåž‹ã‚‚å¿…è¦ã§ã™ã€‚ TAP ã®éžåŒæœŸãƒ¡ã‚½ãƒƒ
Itisango 2019/08/18
#dotNET #Async is difficult:â€œThe Task-based Asynchronous Pattern (TAP) is based on the System.Threading.Tasks.Task and System.Threading.Tasks.Task<TResult> types in the System.Threading.Tasks namespace, which are used to represent arbitrary asynchronous operations.â€

ã‚ã¨ã§èªã‚€

TAP

.NET

Microsoft

Windows

Async

Task

class

pattern

programming
ãƒªãƒ³ã‚¯
ç¶™æ‰¿
æ¦‚è¦ ç¶™æ‰¿ï¼ˆinheritanceï¼‰ã¨ã¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®ä¸æ ¸ã‚’æ‹…ã†æ¦‚å¿µã§ã€ ã‚ã‚‹ã‚¯ãƒ©ã‚¹ã‹ã‚‰æ€§è³ªã‚’å—ã‘ç¶™ã„ã æ–°ã—ã„ã‚¯ãƒ©ã‚¹ã‚’ä½œã‚‹ã“ã¨ã§ã™ã€‚ ç¶™æ‰¿ã¯æ´¾ç”Ÿï¼ˆderivationï¼‰ã¨ã‚‚å‘¼ã°ã‚Œã¾ã™ã€‚ ãƒã‚¤ãƒ³ãƒˆ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®ä¸æ ¸æ¦‚å¿µãã®2: ç¶™æ‰¿ã€‚ ã€Œäººé–“ã€âŠƒã€Œå¦ç”Ÿã€ã®ã‚ˆã†ã«ã€åŒ…å«é–¢ä¿‚ã®ã‚ã‚‹ã‚‚ã®ã‚’è¡¨ç¾ã™ã‚‹æ–¹æ³•ã€‚ ã€Œå¦ç”Ÿã¯äººé–“ã‚’ç¶™æ‰¿ã™ã‚‹ã€ã€ã€Œå¦ç”Ÿã¯äººé–“ã‹ã‚‰æ´¾ç”Ÿã™ã‚‹ã€ãªã©ã¨è¨€ã†ã€‚ class Person { ... } ã«å¯¾ã—ã¦ã€class Student : Person { ... } ã¨æ›¸ãã€‚ ç¶™æ‰¿é–¢ä¿‚ã¨ã¯ ç¶™æ‰¿é–¢ä¿‚ã®ä¾‹ã¨ã—ã¦ã€ã€Œäººé–“ã€ã¨ã€Œå¦ç”Ÿã€ã¨ã„ã†2ã¤ã®ã‚¯ãƒ©ã‚¹ã«ã¤ã„ã¦è€ƒãˆã¦è¦‹ã¾ã—ã‚‡ã†ã€‚ ã€Œå¦ç”Ÿã€ã¯ã€Œäººé–“ã€ã®ä¸€éƒ¨ã§ã™ã€‚ ã™ãªã‚ã¡ã€ã€Œå¦ç”Ÿã€ãªã‚‰ã°å¿…ãšã€Œäººé–“ã€ã¨ã—ã¦ã®ç‰¹å¾´ã‚’å‚™ãˆã¦ã„ã¾ã™ã€‚ ãã‚Œã¨ã¯é€†ã«ã€Œäººé–“ã€ã ã‹ã‚‰ã¨ã„ã£ã¦å¿…ãšã—ã‚‚ã€Œå¦ç”Ÿã€ã§ã‚ã‚‹ã¨ã¯ã„ãˆã¾ã›ã‚“ã€‚ ã¤ã¾ã‚Šã€ã€Œå¦ç”Ÿã€ã¯ã€Œäººé–“ã€ã®ç‰¹åˆ¥
Itisango 2019/07/28
#Microsoft

ã‚ã¨ã§èªã‚€

c#

class

programming

Csharp

.NET

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

test

ç¶™æ‰¿

constructor
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ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã®ã‚«ã‚¹ã‚¿ãƒ ãƒšã‚¤ãƒ³ãƒ†ã‚£ãƒ³ã‚° - Windows Forms
ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã®ã‚«ã‚¹ã‚¿ãƒ ãƒšã‚¤ãƒ³ãƒ†ã‚£ãƒ³ã‚°ã¯ã€Windows ãƒ•ã‚©ãƒ¼ãƒ ã«ã‚ˆã£ã¦ç°¡å˜ã«å®Ÿè¡Œã§ãã‚‹å¤šæ•°ã®è¤‡é›‘ãªã‚¿ã‚¹ã‚¯ã® 1 ã¤ã§ã™ã€‚ ã‚«ã‚¹ã‚¿ãƒ ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã‚’ä½œæˆã™ã‚‹å ´åˆã€ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã®ã‚°ãƒ©ãƒ•ã‚£ã‚«ãƒ«ãªå¤–è¦³ã‚’å‡¦ç†ã™ã‚‹ãŸã‚ã«ä½¿ç”¨ã§ãã‚‹å¤šãã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒã‚ã‚Šã¾ã™ã€‚ ã‚«ã‚¹ã‚¿ãƒ ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«(ã¤ã¾ã‚Šã€Controlã‹ã‚‰ç¶™æ‰¿ã™ã‚‹ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«)ã‚’ä½œæˆã™ã‚‹å ´åˆã¯ã€ã‚³ãƒ¼ãƒ‰ã‚’ä½¿ç”¨ã—ã¦ãã®ã‚°ãƒ©ãƒ•ã‚£ã‚«ãƒ«è¡¨ç¾ã‚’ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã—ã¾ã™ã€‚ è¤‡åˆã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ« (UserControlã¾ãŸã¯æ—¢å˜ã® Windows ãƒ•ã‚©ãƒ¼ãƒ ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã®ã„ãšã‚Œã‹ã‚’ç¶™æ‰¿ã™ã‚‹ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«) ã‚’ä½œæˆã™ã‚‹å ´åˆã¯ã€æ¨™æº–ã®ã‚°ãƒ©ãƒ•ã‚£ã‚«ãƒ«è¡¨ç¾ã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã—ã€ç‹¬è‡ªã®ã‚°ãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚¹ ã‚³ãƒ¼ãƒ‰ã‚’æä¾›ã§ãã¾ã™ã€‚ æ–°ã—ã„ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã‚’ä½œæˆã›ãšã«æ—¢å˜ã®ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã«ã‚«ã‚¹ã‚¿ãƒ ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã‚’æä¾›ã™ã‚‹å ´åˆã¯ã€ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã‚’æç”»ã§ãã‚‹ Paint ã‚¤ãƒ™ãƒ³ãƒˆã‚’å‡¦ç†ã—ã¾ã™ã€‚ ã‚³ãƒ³ãƒˆãƒãƒ¼
Itisango 2019/07/28
#Microsoft

ã‚ã¨ã§èªã‚€

Microsoft

Windows

.NET

framework

forms

controll

class

event

override
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Itisango 2019/07/28
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Itisango 2019/07/22
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Itisango 2011/03/26
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