Delphi loop through components

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August undefined, 2024

http://www.delphigroups.info/2/4/223131.html WebAug 27, 2024 · Installation. Menu Tools->Options->Language->Delphi->Library. Download latest version here, and unzip downloaded file to your default components folder. This is a non-visual library, so you don’t need to install it on IDE. Add folder according your Delphi version and Platform in Tools->Options->Language->Delphi->Library to Library Path.

loops - Use variables for object name in Delphi - Stack Overflow

WebMay 24, 2024 · In a standard TTreeView, the best way to iterate through all of its nodes in a "linear" fashion from top to bottom is to utilize the TTreeNode.GetNext () method in a while loop, eg: var Node: TTreeNode; Node := TreeView.GetFirstNode; while Node <> nil do begin //Do something with Node... Node := Node.GetNext; end; WebMar 12, 2015 · Crucially however, a Form is not considered to be the parent of directly placed non-visual components. Therefore, if HasParent is FALSE for a non-visual component on a form (an item in Form.Components) then it is a directly placed component, not a child of some other component. Simply modify your if condition as … horse barn builders in michigan

Iterate through components on TTabSheet - Free Pascal

WebDec 5, 2012 · for i := 0 to ComponentCount-1 do Memo1.Lines.Add(Components[i].ClassName+' (Name = "'+Components[i].Name+'")') end; …gives you the following output, which is very similar to the Structure View in the IDE, except that it doesn’t show the relationships between the components. WebMar 19, 2013 · Author Topic: Iterate through components on TTabSheet (Read 11761 times) ProgEd. New Member; Posts: 25; ... Not sure, if it's true for Lazarus, but in Delphi … WebYou probably need to recurse inside the loop for grandchildren and so on – David Heffernan Sep 21, 2015 at 19:21 Best would be such a method procedure HandleChildren ( Parent: TControl; Action: TProc; Filter: TPredicate; Recurse: Boolean = False );. Now you have a global tool – Sir Rufo Sep 21, 2015 at 19:32 Probably. horse barn bathroom vanity

Loop through controls on a form - delphi

delphi - How can I refer to a control whose name is determined at ...

WebJul 11, 2016 · In Delphi you can iterate through a forms components ( not controls) like so: for i := 0 to Form1.ComponentCount - 1 do begin However in c# Winforms i tried the following: foreach (var component in this.components.Components) { MessageBox.Show (component.ToString ()); } I couldn't find any examples on google on how to iterate … WebJan 1, 2009 · Delphi: Iterating through components The code example below shows how you can iterate through components in a Delphi form or data module, check the type … horse barn builders in californiaWebOct 20, 2024 · 1 I have a Delphi packed record: type PFileList = ^TFileList; TFileList = Packed Record ProfileName: string; ProfileDescription: string; ProfileMemo: string; CustomURL: string; SSOProperties: string; end; type TArrOfFileList = array of TFileList; I have a variable FProfileModel that is of type TArrOfFileList. horse barn boots for women

"WebJul 16, 2024 · The Parent is a TWinControl, not a TObjectList, so your attempted typecast is invalid.. You can't use a for.. in loop with the Components property directly, as it is not an iterable container that meets any of the documented requirements:. Delphi supports for-element-in-collection style iteration over containers.The following container iteration … " - Delphi loop through components

Delphi loop through components

Delphi: Iterating through components - Blogger

WebDelphi Developer Need help with looping through the components on a form. 2004-12-15 01:36:43 AM delphi138 Hi, I have a form with a panel called Panel_Middle_Home. On this panel are 4 panels. I want to go through each of the 4 panels and do some operations if they are visible. Im having a problem, I can search http://www.delphigroups.info/2/dc/309104.html

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WebJan 1, 2009 · Delphi: Iterating through components The code example below shows how you can iterate through components in a Delphi form or data module, check the type of a hosted component and examine its properties. I wrote this as a unit test because the programmers were forgetting to remove their local connection strings from data objects. http://www.delphigroups.info/2/fc/426537.html

Web5. You can write the source component into a stream and read it back into the target component. MemStream := TMemoryStream.Create; try MemStream.WriteComponent (Source); MemStream.Position := 0; MemStream.ReadComponent (Target); finally MemStream.Free; end; You may get problems with duplicate component names though. WebDec 1, 2012 · If you use a name convention to name your component like "Mycomponent" + inttostr (global_int) you can use it to find it very easily : function getMyComponent (id:integer) : TComponent; begin result := {Owner.}FindConponent ('MyComponent'+inttostr (id)); …

http://www.delphigroups.info/2/e1/93983.html WebOct 12, 2016 · 2. Loop through the frame's Components [] list. Tag is a public property of TComponent. var Comp: TComponent; I: Integer; begin for i := 0 to frame.ComponentCount-1 do begin Comp := frame.Components [i]; if Comp.Tag = 1 then begin (Comp as TWinControl).SetFocus; break; end; end; end; An alternative would be to define an …

WebMar 19, 2013 · Author Topic: Iterate through components on TTabSheet (Read 11761 times) ProgEd. New Member; Posts: 25; ... Not sure, if it's true for Lazarus, but in Delphi the control is not in the list if it's placed on the child container, like TPanel ot TTabSheet. So iterating through Components on the form will give you everything on the form, but ...

WebSep 29, 2014 · as an "alternative" you could use two variables and absolute: var X: Pointer; y:TMyObject absolute x;. Now you can do for x in List do y.doSomeThing (); – Ritsaert Hornstra Sep 30, 2014 at 5:40 Add a comment 3 Answers Sorted by: 5 Using generics you can have a typed objectlist (just noticed the comment but ill finish this anyhow) horse barn builders ocala florida horse barn builders texasWebApr 17, 2012 · if you are an Delphi 2010 (and higher) user then there is a new RTTI unit (rtti.pas). you can use it to get runtime information about your class and its properties (public properties by default, but you can use {$RTTI} compiler directive to include protected and private fields information). horse barn builders usaWebOct 12, 2016 · List of Delphi controls on a form – Tree hierarchy and flat list (VCL) Get a list of all controls in your Delphi VCL form. Examples included a flat list and a hierarchical … horse barn cabinet supply storageWebJul 16, 1998 · Basically, this process involves iterating through the FieldDefs property of the TTable, TQuery, or TStoredProc component. The FieldDefs property is essentially an array of records, one record for each field in the structure. Each field record contains information about the field, including its name, type, and size. horse barn builders near locust grove gaWebAug 7, 2014 · Delphi get components in loop. I have pagecontrol with 3 pages. On each page I have control for example TEdit with name's edt1 (on first page),etd2 (on second … p.s. thank you imdbWebDec 11, 2024 · procedure ListForms (lbForms:TListBox); var i,j:integer; begin for i:=0 to application.ComponentCount-1 do if application.components [i] is tform then begin lbForms.add (tform (application.components [i]).Name); end; end; procedure ListBox1Click (Sender:TObject); var ix,j,i:integer; begin ix:=ListBox1.ItemIndex; if ix>=0 then begin for … p.s. three cheat codes