I know I shouldn’t ask Peter Peter, but I found this code snippet while trying to debug some old D5 code Text File Size.
In my opinion, Sysutils.FindClose should be called the last line of th
Category: Delphi
Delphi is a well-known rapid application development tool (Rapid Application Development, RAD) under the Windows platform. Its predecessor was the “Borland Turbo Pascal” that was popular in the DOS era. The earliest version was developed by the American Borland company in 1995. The main creator is Anders Hejlsberg. After several years of development, this product has also been transferred to the Embarcadero company. Delphi is an integrated development environment (IDE). The core used is Object Pascal developed from the traditional Pascal language. It uses a graphical user interface as the development environment, and uses IDE, VCL tools and compilers to cooperate with the function of connecting to the database. An application development tool centered on object-oriented programming.
Delphi – How to Test if olevariant contains interfaces
An annoying thing about using Excel through its automated interface is weak typing.
The return value can contain any different types.
How to test whether the variable returned by the caller Inter
Delphi – How does my form detect the keydown event when another control is focused?
procedure TMainForm.KeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
if (GetKeyState(Ord(‘Q ‘)) The above event only works when the focus is set to the main form.
If I run the ap
Delphi to Windows Fax
Anyone knows how to use Windows 8 Fax to send a fax. Real Delphi.. I mean I need to activate Windows Fax with numbers and pdf attachments.
About that Any tutorials?
Day Thnx. For example, you
Delphi – Automatic shutdown when not in use within a period of time
See the answer in English> How do I check for PROGRAM idle time, as opposed to SYSTEM idle time? Three
We have a program that we are writing in Delphi XE. I have A question:
If the program is
Delphi – How to update TLIST when it is an iteration using the for-in loop?
I am trying to learn generics in Delphi, but TList has a very basic problem.
I have successfully created a list of integers and used 1000 Fill it with an odd number. I want to change every nu
Automatically delete Delphi ifdef compiler instructions
I’m currently working on the’inheritance’ code, which has (randomly scattered) a lot of conditional compiler instructions based on the Delphi version, back to Delphi 2. From now on, all development
Delphi judges whether a class implements an interface
TObject.GetInterface can obtain an instance of an object to implement an interface. The prerequisite is that the object must be instantiated before running GetInterface
The following method c
Delphi, override custom control setcaption
I have a custom control,
the ancestor is another custom control,
whose ancestor is TPanel;
that is
TNotMyCustomControl = class(Tpanel);
TMyCustomControl = class(TNotMyCustomControl); Wheth
Delphi – How to make the component disappear in the form designer?
I am creating a custom control that contains other controls, including two scroll bars, one horizontal and one vertical. There is a property to set one or two scroll bars invisible, it It works fin