Declare a new class as per Listing 2: 1type 2 TNulWBContainer = class(TObject, 3 IUnknown, IOleClientSite, IDocHostUIHandler 4 ) 5 private 6 fHostedBrowser: TWebBrowser; 7 // Registration method 8 procedure SetBrowserOleClientSite(const Site: IOleClientSite); 9 public 10 constructor Create(...
For example, for our main program form to receive the messages use: DragAcceptFiles(Form1.Handle, True); Listing 2 Handle the WM_DROPFILES message. In Delphi we can declare a message handler for this event in the main form's class declaration: procedure WMDropFiles(var Msg: TWMDropFiles);...
Further down in the protected section we declare the methods of IDropTarget. We have used Delphi's method resolution clauses to rename each of the methods. This has been done because TForm already has a method called DragOver that clashes with, and gets hidden by, the method of the same ...
The OnCustomDrawXXX event handlers of Delphi's TListView can be useful to make minor changes to the appearance of a list view control. They let developers avoid having to owner draw the control if they only want to make a few tweaks to its appearance. Using the event handlers means that ...
proper prologue code to make sure that exportable code is generated. Example: int FAR PASCAL _export foo(int, float) Using _export eliminates the need for an EXPORTS section in your module definition file. Whenever you declare a class as _export, ...
#How to Extract the Reference Area Information in Delphi Obtaining the reference area information is relatively simple, provided that the defined name stores a cell or cell range reference. In Delphi, you can call the defined name’sEnumReferencesprocedure passing the reference to the information ex...
Is there a Telegram messenger component for use in Delphi? The first step will be to download theWebsocketscomponents suite ofESEGECEherein order to use theirTsgcTDLib_Telegramcomponent. Declare a new Telegram application To be allowed to connect to theTelegram Messengercloud, you will need an AP...
Following sample demonstrates how to update several records from Dept table simultaneously using parameter of PL/SQL Table type. Here is SQL statement used at our sample: DECLARE i INTEGER; BEGIN i:= 1; FOR rec IN (SELECT DeptNo FROM Scott.Dept WHERE RowNum <= 10 ORDER BY DeptNo) LOOP...
I'm trying to create a C++ DLL using the WinInet API, but for some odd reason, I get no errors during compiling but get external link errors regarding variables within my class. Any idea how I can resolve this?header test.h // #include "stdafx.h" using namespace std; // #include ...
In this study, we explored innovative approaches to sustainable fashion design, focusing on the increasingly prominent issue of sustainability in the global fashion industry. By analyzing consumer feedback in online communities, particularly through a sy