{"id":510,"date":"2022-03-09T20:18:08","date_gmt":"2022-03-09T20:18:08","guid":{"rendered":"https:\/\/fersahotomasyon.com\/?page_id=510"},"modified":"2025-05-14T13:04:47","modified_gmt":"2025-05-14T13:04:47","slug":"delphi-scada-3","status":"publish","type":"page","link":"https:\/\/fersahotomasyon.com.tr\/?page_id=510","title":{"rendered":"DELPHI SCADA"},"content":{"rendered":"\t\t
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<\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t
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Delphi Nesneleri <\/b><\/p>\n

 Nesne y\u00f6nelimli programlama nesnelerle \u00e7al\u0131\u015fmak demektir. Bir windows program\u0131nda kar\u015f\u0131m\u0131zdaki her g\u00f6rsel eleman bir nesnedir. En ba\u015fta windows pencereleri (delphideki formlar) birer nesnedir. Formlar i\u00e7lerinde di\u011fer windows nesnelerini bar\u0131nd\u0131r\u0131rlar.<\/p>\n

 Delphi\u2019nin \u00e7ok geni\u015f bir kontrol k\u00fct\u00fcphanesi vard\u0131r. Bu k\u00fct\u00fcphanenin elemanlar\u0131 nesne repertuar\u0131nda (component palette) grupland\u0131r\u0131lm\u0131\u015f olarak yer al\u0131r. Bu gruplar: Standart, Additional, Win32 \u2026 \u015feklinde delphi ekran\u0131n\u0131n sa\u011f \u00fcst k\u00f6\u015fesinde yer al\u0131r. <\/p>\n

 TEdit<\/b> Nesnesi Bilgi giri\u015fi yap\u0131labilen nesnelerdir.<\/p>\n

 AutoSelect TRUE ise tab tu\u015fu ile focus yap\u0131ld\u0131\u011f\u0131nda edit i\u00e7indeki bilgiyi se\u00e7ili hale getirir.<\/p>\n

 AutoSize TRUE ise edit i\u00e7indeki yaz\u0131n\u0131n fontu de\u011fi\u015fti\u011finde editin b\u00fcy\u00fckl\u00fc\u011f\u00fcde de\u011fi\u015fir.<\/p>\n

 CanUndo TRUE ise \u00f6nceki yaz\u0131 geri al\u0131nabilir.<\/p>\n

 CharCase Edit i\u00e7indeki yaz\u0131lar\u0131 b\u00fcy\u00fck, k\u00fc\u00e7\u00fck harfli olmas\u0131 sa\u011flanabilir.<\/p>\n

 HideSelection TRUE ise edit aktifli\u011fini kaybederken se\u00e7ilmi\u015f yaz\u0131lar varsa se\u00e7ilmi\u015flik kaybolur.<\/p>\n

 SelStart \u015ee\u00e7me i\u015fleminin ka\u00e7\u0131nc\u0131 karekterden ba\u015flad\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n

 SelLength Ka\u00e7 karekter se\u00e7ildi\u011fini g\u00f6sterir.<\/p>\n

 SelText Se\u00e7ilen karekterleri g\u00f6sterir.<\/p>\n

 SelectAll Edit i\u00e7indeki t\u00fcm yaz\u0131y\u0131 se\u00e7ili hale getirir.<\/p>\n

 Clear Edit i\u00e7indeki yaz\u0131y\u0131 temizler.<\/p>\n

 ClearSelection Se\u00e7ili k\u0131sm\u0131 siler.<\/p>\n

 MaxLength Edite en fazla ka\u00e7 karekter girilebilece\u011fini g\u00f6sterir.<\/p>\n

 Modified Edit i\u00e7indeki yaz\u0131larda de\u011fi\u015fme meydana geldi\u011finde TRUE de\u011ferini al\u0131r<\/p>\n

 RaadOnly TRUE ise edit i\u00e7indeki karekterler de\u011fi\u015ftirilemez Text Edit i\u00e7indeki yaz\u0131y\u0131 g\u00f6sterir.<\/p>\n

 GetLenText Edit i\u00e7indeki karekter say\u0131s\u0131n\u0131 verir.<\/p>\n

 CopyToClipboard Edit i\u00e7indeki yaz\u0131y\u0131 clipboarda kopyalar.<\/p>\n

 CutToClipboard Edit i\u00e7indeki yaz\u0131lar\u0131 clipboarda kopyalar ve editi temizler.<\/p>\n

 PasteFromClipboard Clipboarddaki yaz\u0131y\u0131 edite kopyalar<\/p>\n

 TLabel<\/b> Nesnesi TLabel nesnesi etiket yaz\u0131lar i\u00e7in kullan\u0131l\u0131r.<\/p>\n

 Transparent TRUE ise label\u2019in arka plan\u0131n\u0131n g\u00f6r\u00fclmesini sa\u011flar(\u015feffafla\u015ft\u0131r\u0131r).<\/p>\n

 FocusControl K\u0131sayol tu\u015fu tan\u0131mlan\u0131rsa focusu kime devredece\u011fini g\u00f6sterir.<\/p>\n

 WordRap Label \u00fczerindeki yaz\u0131lar label\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc a\u015farsa bir alt sat\u0131ra ge\u00e7mesini sa\u011flar.<\/p>\n

 ShowAccelChar TRUE ise ba\u015f\u0131na & i\u015fareti koyulan karekterin alt\u0131 \u00e7izili olarak g\u00f6sterilir, k\u0131sa yol tu\u015fu olarak kullan\u0131l\u0131r.<\/p>\n

 TMemo<\/b> Nesnesi \u00c7ok sat\u0131rl\u0131 bilgi giri\u015flerinin yap\u0131ld\u0131\u011f\u0131 nesnelerdir.<\/p>\n

 Alignment Memo i\u00e7indeki say\u0131lar\u0131n sa\u011fa sola ortaya konu\u00e7lanmas\u0131n\u0131 sa\u011flar.<\/p>\n

 Lines Memodaki sat\u0131rlar\u0131 \u00f6\u011frenmeye ve de\u011fi\u015ftirmeye yarar.<\/p>\n

 Momo1.Lines[5]:=\u2019Seni seviyem\u2019;    ifadesi 6. sat\u0131ra Seni seviyem yazar.<\/p>\n

 Memo1.Lines.Strings[6]:=\u2019Bende\u2019;  ifadesi 7. sat\u0131ra Bende yazar.<\/p>\n

 Lines.Count Memodaki sat\u0131r say\u0131s\u0131n\u0131 verir.<\/p>\n

 Lines.Add Memoya sat\u0131r ekler.<\/p>\n

 Memo1.Lines.Add(\u2018Sevmek g\u00fczeldir\u2019); Lines.Insert Araya sat\u0131r ekler.<\/p>\n

 Memo1.Lines.Insert(3, \u2018Sende seviyo musun\u2019);<\/p>\n

 Lines.Exchanges \u0130ki sat\u0131r\u0131n yerini de\u011fi\u015ftirir.<\/p>\n

 Memo1.Lines.Exchanges(4,6); Lines.Move Sat\u0131r\u0131n yerini de\u011fi\u015ftirir.<\/p>\n

 Memo1.Lines.Move(2,3); Lines.IndexOf Verilen de\u011ferin memoda ka\u00e7\u0131nc\u0131 sat\u0131rda oldu\u011funu verir. De\u011feri bulamazsa -1 de\u011feri d\u00f6ner.<\/p>\n

 Memo1.Lines.IndexOf(\u2018Bende\u2019); Lines.SaveToFile Memodaki yaz\u0131y\u0131 dosyaya kaydeder.<\/p>\n

 Memo1.Lines.SaveToFile(\u2018Deneme.txt\u2019);<\/p>\n

 Lines.LoadFromFile Memoya dosyadan bilgi y\u00fckler.<\/p>\n

 Memo1.LoadFromFile(\u2018Autexec.bat\u2019); WantReturn TRUE ise enter tu\u015fu imleci bir alt sat\u0131ra ge\u00e7irir WantTab Tab tu\u015fu normalde form \u00fczerindeki nesneleri dola\u015fmak i\u00e7in kullan\u0131l\u0131r. TRUE de\u011ferini al\u0131rsa bu \u00f6zelli\u011fini kaybeder ve memo i\u00e7inde kullan\u0131lmaya ba\u015flan\u0131r. <\/p>\n

 ScrollBars Memo i\u00e7indeki yaz\u0131lar memoya s\u0131\u011fmad\u0131\u011f\u0131 zaman kayd\u0131rma \u00e7\u0131buklar\u0131 ekler.<\/p>\n

 TButton<\/b> Nesnesi Komut d\u00fc\u011fmeleridir.<\/p>\n

 Cancel TRUE ise cancel tu\u015fu bu button i\u00e7in kullan\u0131l\u0131r.<\/p>\n

 Default TRUE ise enter tu\u015fu bu button i\u00e7in kullan\u0131l\u0131r.<\/p>\n

 ModalResult Buttona bas\u0131ld\u0131\u011f\u0131nda \u00e7e\u015fitli sonu\u00e7lar d\u00f6nderebilir.<\/p>\n

 Se\u00e7ilene g\u00f6re de\u011fi\u015fik komutlar \u00e7al\u0131\u015fabilir.<\/p>\n

 TCheckBox<\/b> Nesnesi Se\u00e7enek kutucuklar\u0131d\u0131r.<\/p>\n

 AllowGrayed TRUE ise CheckBox\u2019\u0131n gri hale de gelmesini sa\u011flar.<\/p>\n

 Checked TRUE ise onayl\u0131 demektir.<\/p>\n

 State CheckBox\u2019\u0131n durumunu \u00f6\u011frenmeye, de\u011fi\u015ftirmeye yarar.<\/p>\n

 TRadioButton Radyo butonu \u015feklindeki se\u00e7enek kutucuklar\u0131d\u0131r.<\/p>\n

 Ayn\u0131 ta\u015f\u0131y\u0131c\u0131 \u00fczerindekilerden sadece bir tanesi i\u015faretlenebilir.<\/p>\n

 TListBox<\/b> Belli elemanlar\u0131 listelemeye yarar.<\/p>\n

 Column Elemanlar\u0131n ka\u00e7 kolonla s\u0131ralanaca\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n

 ExtendedSelect TRUE ise par\u00e7al\u0131 olarak birden fazla eleman se\u00e7ilebilmesine olanak verir.<\/p>\n

 Items Listedeki elemanlar\u0131 \u00f6\u011frenmeye ve de\u011fi\u015ftirmeye yarar.<\/p>\n

 TListBox1.Items[3]:=\u2019Delphi\u2019; Item.Add Yeni elemanlar eklenmesini sa\u011flar.<\/p>\n

  ListBox1.Items.Add(\u2018mamy\u2019); Items.Insert Araya eleman ekler.<\/p>\n

 ListBox1.Items.Insert(7, \u2018\u0130stanbul\u2019);<\/p>\n

 Items.Count Eleman say\u0131s\u0131n\u0131 verir.<\/p>\n

 Items.ItemIndex Se\u00e7ili nesnenin indexini verir.<\/p>\n

 TopIndex Ekranda en \u00fcstte g\u00f6r\u00fclen eleman\u0131n indeksini \u00f6\u011frenmeye ve de\u011fi\u015ftirmeye yarar.<\/p>\n

 ListBox1.TopIndex:=3; Items.IndexOf Verilen eleman\u0131n ka\u00e7\u0131nc\u0131 oldu\u011funu d\u00f6nderir.<\/p>\n

 ListBox1.Item.IndexOf(\u2018Mami\u2019);<\/p>\n

 Items.Move Eleman\u0131n yerini de\u011fi\u015ftirir.<\/p>\n

  Items.Move(4, 7);  4.sat\u0131r\u0131 7.sat\u0131ra ta\u015f\u0131r. Items.Delete Eleman siler.<\/p>\n

  ListBox1.Items.Delete(9); Items.Exchange \u0130ki \u00f6\u011fenin yerini de\u011fi\u015ftirir.<\/p>\n

  ListBox1.Items.Exchange(5,2); Items.LoadFromFile Elemanlar\u0131 dosyadan y\u00fckler.<\/p>\n

   ListBox1.Items.LoadFromFile(\u2018Deneme.txt\u2019);<\/p>\n

 Items.SaveToFile Elemanlar\u0131 dosyaya kaydeder.<\/p>\n

 ListBox1.Items.SaveToFile(\u2018Dersler.dat\u2019); IntegralHeight TRUE ise eleman\u0131n hepsi g\u00f6sterilir. Par\u00e7al\u0131, yar\u0131m  g\u00f6sterim kapat\u0131l\u0131r. <\/span><\/p>\n

 ItemHeight Elemanlar\u0131n y\u00fcksekli\u011fini belirler.<\/span><\/p>\n

 Style \u00f6zelli\u011fi lbOwnerDrawFixed olmal\u0131 MultiSelect TRUE ise \u00e7oklu se\u00e7ime izin verir.<\/span><\/p>\n

 Style Elemanlar\u0131 nas\u0131l g\u00f6sterece\u011fini verir.<\/span><\/p>\n

 Standart : B\u00fct\u00fcn elemanlar ayn\u0131 y\u00fcksekliktedir.<\/span><\/p>\n

 lbOwnerDrawFixed: B\u00fct\u00fcn elemanlar ayn\u0131 y\u00fckseklite olmak \u00fczere ItemHeight ile d\u00fczenlenebilir.<\/span><\/p>\n

 lbOwnerDrawVariable: Elemanlar farkl\u0131 y\u00fcsekliklerde ayarlanabilir.<\/span><\/p>\n

 SelCount \u00c7oklu se\u00e7imlerde ka\u00e7 tane eleman\u0131n se\u00e7ildi\u011fini verir.<\/span><\/p>\n

 Selected Belirli bir eleman\u0131n se\u00e7ili olup olmad\u0131\u011f\u0131n\u0131 sorgular.   Selected[7] gibi.<\/span><\/p>\n

 Sorted Elemanlar\u0131 s\u0131ral\u0131 olarak listeler.<\/span><\/p>\n

 <\/span>TComboBox<\/b><\/span> A\u015fa\u011f\u0131ya do\u011fru a\u00e7\u0131lan liste kutusudur.<\/span><\/p>\n

 DropDownCount ComboBox a\u00e7\u0131ld\u0131\u011f\u0131nda ka\u00e7 sat\u0131r\u0131n listelence\u011fini tan\u0131mlar.<\/span><\/p>\n

 MaximumLength Elemanlar\u0131n en fazla uzunlu\u011funu verir.<\/span><\/p>\n

 Style ComboBox\u2019\u0131n tipini belirler.<\/span><\/p>\n

 Items TListBox\u2019taki gibidir.<\/span><\/p>\n

 Text ComboBox\u2019\u0131n se\u00e7ilen eleman\u0131n\u0131 verir.<\/span><\/p>\n

 <\/span>TGroupBox<\/b><\/span> Nesneleri gruplamaya yarar. Ta\u015f\u0131y\u0131c\u0131 bir nesnedir. Mesela  bu nesne silinirse i\u00e7indeki nesnelerde silinir.<\/span><\/p>\n

 <\/span>TPanel<\/b><\/span> D\u00fcz ta\u015f\u0131y\u0131c\u0131 bir nesnedir.<\/span><\/p>\n

 <\/span>TRadioGroup<\/b><\/span> RadioButtonlar\u0131 grupland\u0131rmaya yarar.<\/span><\/p>\n

 Items. Bu \u00f6zellik ile butonlar eklenebilir.<\/span><\/p>\n

 ItemIndex \u0130\u015faretli olan eleman\u0131n indexini verir Colums Elemanlar\u0131n ka\u00e7 s\u00fct\u00fcnla dizilece\u011fini belirtir.<\/span><\/p>\n

 <\/span>TFrame<\/b><\/span> Form gibi bir ta\u015f\u0131y\u0131c\u0131 bir nesnedir. Ancak Frameler yeni bir nesneymi\u015f gibi ba\u015fka formlarda kullan\u0131labilir. Tek ba\u015flar\u0131na kullan\u0131lamazlar. Yeni bir frame olu\u015fturmak i\u00e7in File men\u00fcs\u00fcnden New Frame se\u00e7ilir. Frame olu\u015fturulup kaydedildikten sonra component paletten TFrame nesnesiyle kullan\u0131labilir. Yani \u00f6nce Frame yaratman\u0131z. gerekir. T\u00fcm \u00f6zellikleri formlar gibidir.<\/span><\/p>\n

 <\/span>TAction<\/b><\/span> Belli komutlar\u0131 i\u00e7inde bar\u0131nd\u0131ran bir nesnedir. Ayn\u0131 komutlar \u00e7e\u015fitli yerlerde kullan\u0131lacaksa i\u015fleri kolayla\u015ft\u0131r\u0131r. \u00c7ift t\u0131klad\u0131\u011f\u0131n\u0131zda a\u00e7\u0131lan pencereden kendi komutlar\u0131n\u0131z\u0131 ve ya tan\u0131ml\u0131 komutlar\u0131 se\u00e7ebilirsiniz. Bu komutlar\u0131 kullanabilmek i\u00e7in nesnelerin Action k\u0131sm\u0131nda belirtmeniz yeterlidir.<\/span><\/p>\n

 <\/span>TMainMenu<\/b><\/span> Ana men\u00fc olu\u015fturmaya yarayan nesnedir. \u00c7ift t\u0131klad\u0131\u011f\u0131n\u0131zda veya Items \u00f6zelli\u011fine t\u0131klad\u0131\u011f\u0131n\u0131zda a\u00e7\u0131lan pencereden men\u00fcler tan\u0131mlan\u0131r. ImageList \u00f6zelli\u011fi ile TImageList nesnesiyle se\u00e7ilen iconlar\u0131n men\u00fclerle kullan\u0131lmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n

 <\/span>TImageList<\/b><\/span> Bu nesne \u00e7e\u015fitli iconlar\u0131, resimleri liste halinde toplaman\u0131z\u0131 ve onlar\u0131 icon kullanlabilecek nesnelerde kullanman\u0131z\u0131 sa\u011flar. \u00c7ift t\u0131klad\u0131\u011f\u0131n\u0131zda a\u00e7\u0131lan pencereden iconlar se\u00e7ilebilir. Iconlar\u0131n geni\u015fli\u011fi ve y\u00fckseklikleri ayarlanabilir. Image kullan\u0131labilecek nesnelerin(Mesela men\u00fclerde, speedbuttonlarda) ImageList \u00f6zelli\u011finde belirtirseniz ilk imaj ilk elemana, sonraki imaj sonraki elemana otomatik olarak atan\u0131r. \u0130sterseniz daha sonra da de\u011fi\u015ftirebilirsiniz.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Object Oriented Programlama<\/a><\/h3>