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• delphi Ado update insert betwen 2 records

  - by user315957

  i nead to update recordes from one table to the other (this for the master Table and f«the same for the DetailTable. first a posicion the record of the record´s of the table i whant to copy update from: Tabelamestre(Local_deste_cliente) (1 record ) NInterv.text:=dbedit1.text; Begin with ADOTable_casa do Begin Close; …

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• Delphi TRttiType.GetMethods return zero TRttiMethod instances

  - by conciliator

  I've recently been able to fetch a TRttiType for an interface using TRttiContext.FindType using Robert Loves "GetType"-workaround ("registering" the interface by an explicit call to ctx.GetType, e.g. RType := ctx.GetType(TypeInfo(IMyPrettyLittleInterface));). One logical next step would be to iterate the methods of said interface. Consider …

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• Delphi - form within form

  - by mawg

  For aesthetic reasons, I want to show a form on top of another form, just as if it were a component, say like a TPanel. It should resize with the parent, move around as th eparent is drageed by its title bar, etc. ----------------------------- | main form component 1 | ----------------------------- | main | the 'embedded' | |…

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• Delphi> Please explain this: type... procedure of object

  - by Richard Woolf

  I've encountered some code that's new to me... I've never really seen a type declaration of a procedure of object, and I just don't see the point. Why couldn't the developer simply keep a field of type Boolean? interface type TFinishedCaptureEvent = procedure(AFinished: Boolean) of object; TFrameCard = class(TFrame) …

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• SQLite Delphi thowing up incorrect exception.

  - by NeoNMD

  "Project CompetitionServer.exe raised exception class ESQLiteException with message 'Error executing SQL. Error [1]: SQL error or missing database. "INSERT INTO MatchesTable(MatchesID,RoundID,AkaFirstName,AoFirstName)VALUES(1,2,p,o)": no such column: p'. Process stopped. Use Step or Run to continue." This is clear to everone here that the…

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• [Delphi] How would you refactor this code?

  - by Al C

  This hypothetical example illustrates several problems I can't seem to get past, even though I keep trying!! ... Suppose the original code is a long event handler, coded in the UI, triggered when a user clicks a cell in a grid. Expressed as pseudocode it's: if Condition1=true then begin //loop through every cell in row, //if…

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• Delphi: Disable TaskManager in Windows 7

  - by marco92w

  I found this code for disabling the task manager in Windows XP. It works :) But does it work in Windows 7, too? The registry path is the same, I've checked this. But maybe there are some restrictions!? Thanks in advance!

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• Delphi Pascal / Windows API - Small problem with SetFilePointerEx and parameter FILE_END

  - by SuicideClutchX2

  I know I am about to be slapped by at least one person who was helping me with this API. Alright I have been able to use SetFilePointerEx just fine, when setting the position only. SetFilePointerEx(PD,512,@PositionVar,FILE_BEGIN); SetFilePointerEx(PD,0,@PositionVar,FILE_CURRENT); Both work, I can set positions and even check…

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• deleting dublicates in listview delphi

  - by radick

  hi all I am trying to remove dublicates in my listview my function like this below procedure RemoveDuplicates(const LV:TbsSkinListView); var i,j: Integer; begin LV.Items.BeginUpdate; LV.SortType := stText; try for i := 0 to LV.Items.Count-1 do begin for j:=i+1 to LV.Items.Count-1 do …

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• Passing parameters to a delphi TFrame

  - by ajob

  To avoid singletons and global variables I'd like to be able to pass parameters to a TFrame component. However since a TFrame normally is included on form at design time it is only possible to use the default constructor. The parent form can of course set some properties in the OnCreate callback after the TFrame has been…

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• Load two instances of the same DLL in Delphi

  - by Tom

  Here's my problem: I would like to create two separate instances of the same DLL. The following doesn't work because Handle1 and Handle2 will get the same address Handle1 := LoadLibrary('mydll.dll'); Handle2 := LoadLibrary('mydll.dll'); The following works, but I have to make a copy of the DLL and rename it to…

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• Delphi: Multiple tokens edit component

  - by Dorin

  Hello, I'm looking for an enchanced edit component that allow users to input multiple tokens (items) manually separated by some symbol, or to select them from another source. It's something like "TO" field in outlook or facebook that allow you to input multiple recipients. Can anyone suggest any solution? Thanks in…

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• Use all functions in DLL without declaring every one in application - Delphi

  - by LuckyNeo

  Hi, I learned something about DLL's yesterday. But I haven't found the way how to use all of the functions and procedures in DLL without writing this line into code of application for every function and procedure I want to use. function CircleArea(const radius : double) : double; external 'circle.dll';

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• KaZip for C++Builder2009/Delphi

  - by Katsumi

  Hi. I have download and install KaZip2.0 on C++Builder2009 (with little minor changes = only set type String to AnsiString). I have write: KAZip1->FileName = "test.zip"; KAZip1->CreateZip("test.zip"); KAZip1->Active = true; KAZip1->Entries->AddFile("pack\\text.txt","xxx.txt"); KAZip1->Active =…

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• Delphi: SW_HIDE doesn't work anymore?

  - by www.yegorov-p.ru

  I have to run some other application from my program and hide it's form. In Windows XP it was easy: ShellExecute(Handle, 'open', 'foo.exe', nil, nil,SW_HIDE); But it seems that it doesn't work anymore in Vista and win7.

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• Loading specific icon size into TIcon from stream (Delphi XE)

  - by moodforaday

  My application downloads and displays favicons for specific websites. I followed Bing's solution for detecting image format from stream, but have hit another snag. Assuming an actual icon image, the code goes like this: var icon : TIcon; begin icon := TIcon.Create; try icon.LoadFromStream(…

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• Error : Implementation for method missing (Delphi Prism)

  - by Ilya

  I wrote my method: LangChange type MainForm = partial class(System.Windows.Forms.Form) private ... method LangChange(); protected method Dispose(disposing: Boolean); override; public constructor; end; implementation ... method LangChange(); begin ... end; However,I have an error…

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• delphi "Invalid use of keyword" in TQuery

  - by Baldric

  I'm trying to populate a TDBGrid with the results of the following TQuery against the file Journal.db: select * from Journal where Journal.where = "RainPump" I've tried both Journal."Where" and Journal.[Where] to no avail. I've also tried: select Journal.[Where] as "Location" - with the same result. …

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• saving a records containing a member of type string to a file (Delphi, Windows)

  - by wonderer

  I have a record that looks similar to: type TNote = record Title : string; Note : string; Index : integer; end; Simple. The reason I chose to set the variables as string (as opposed to an array of chars) is that I have no idea how long those strings are going to be. They can be 1 char…

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• Subtracting Delphi Time Ranges from a Date Range, Calculate Remaining Time

  - by Anagoge

  I'm looking for an algorithm that will help calculate a workday working time length. It would have an input date range and then allow subtracting partially or completely intersecting time range slices from that date range and the result would be the number of minutes (or the fraction/multiple of a day)…

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• Ideas for storing e-mail messages in a Delphi client server application

  - by user193655

  There are many suggestions here and there for storing e-mail messages. Somehow what I am doing is writing an Outlook addin to send emails from inbox/sent folders directly to my application. So only what is really interesting is saved. And I decide where to save it. Imagine this case: I recieve an…

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• Delphi fast large bitmap creation (without clearing)

  - by Ritsaert Hornstra

  When using the TBitmap wrapper for a GDI bitmap from the unit Graphics I noticed it will always clear out the bitmap (using a PatBlt call) when setting up a bitmap with SetSize( w, h ). When I copy in the bits later on (see routine below) it seems ScanLine is the fastest possibility and not…

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• What is the best way to play video file in Delphi

  - by Astronavigator

  I need to play video file (using installed codecs) and get some file info (such as frame rate and length).

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• Delphi Math: Why is 0.7<0.70?

  - by Al C

  If I have variables a, b, an c of type double, let c:=a/b, and give a and b values of 7 and 10, then c's value of 0.7 registers as being LESS THAN 0.70. On the other hand, if the variables are all type extended, then c's value of 0.7 does not register as being less than 0.70. This seems…

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• Add code before initialization of units in Delphi

  - by Alan Clark

  Is there a place where I can add code that will be executed before unit initialization? The reason I want to do this is I need to change the DecimalSeparator, this has to be done before the initialization of some units. I have put it in the project source, before Application.Initialize…

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