Welcome to Jonic Developer Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged delphi
0
votes
836
views
1
answer
delphi - How to access a property of the component that the Sender parameter is referencing (the component that fired the event)
I am new to delphi and pascal and was wondering if there was a way to get/access a property of the component that the Sender is referencing within ... something like or something similar to this be done? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
791
views
1
answer
delphi - Turbopower Lockbox3 - Can I control initialization vector and padding for AES-256 encryption?
In the process of moving from Delphi2007 to XE2, we are thinking about switching encryption libraries from DCPCrypt to Turbopower Lockbox 3. a) In ... Plaintext = 'a_decent_text' (ansistring) Thanks Jan See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
458
views
1
answer
delphi - What would be an ideal way to list existing objects to read and alter their properties?
I'm trying to develop an application in Delphi XE2 that will be able to read and alter object properties between different applications. Currently, our ... VB application, redacted parts for security): See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
844
views
1
answer
delphi - Can I programmatically set the position of ComboBox dropdown list?
Ordinary Windows ComboBox (csDropDown or csDropDownList style) will open its dropdown list right below or, if no space left below, above the combo. Can I ... of this list (at least by Y coordinate)? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
1.0k
views
1
answer
delphi - How to show the sort arrow on a TListView column?
Windows Explorer has an arrow indicating which column a list view (in report view style) is sorted by and in which direction (ASC vs. DESC). Is it ... a sort indication arrow on a TListView in Delphi? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
865
views
1
answer
delphi - Passing the variable to another Form
I got Form1 with some variables and I want to pass it to another Form3 where I'll use it. So I have two questions. How can I get access to the ... begin Label4.Caption:= intToStr(idList.Count); end; end. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
742
views
1
answer
delphi - VirtualTreeView with UseExplorerThemes
I just discovered that using the Option toUseExplorerTheme allows to produce a nice selection rectangle for a VirtualStringTree. However, if the Option toGridExtensions ... program and click on any cell. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
821
views
1
answer
delphi - How to read from an external console application?
I have a console application that I didn't write. Is there some easy way to read from it? I need to have the input still on the console window, but ... console or not, so long as the input still works. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
754
views
1
answer
delphi - How to draw on a TPanel
I need to draw on a TPanel, ideally directly so I don't have another component on top of it getting in the way of mousevent-event trapping (I want to draw ... " on it). How should I go about doing this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
708
views
1
answer
delphi - How can I return a PChar from a DLL function to a VB6 application without risking crashes or memory leaks?
I have to create a DLL which is used by a VB6 application. This DLL has to provide several functions, some of them must return strings. This is the ... : I'm asking about Delphi 2005 (PChar = PAnsiChar) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
812
views
1
answer
delphi - Opening a Firebird database file on a network share
I thought converting a mapped drive letter to a UNC path would be enough to be able to open a .GDB file, but alas: function ConvertToUNCPath(AMappedDrive: string ... path (some I code I found on the web). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
521
views
1
answer
delphi - Why UrlDownloadToFile::OnProgress always return ulProgress and ulProgressMax with the same value
This is my delphi code: TDownloadCallback = class(TInterfacedObject, IBindStatusCallback) private fOwner: TDownload; fUrl: string; public constructor Create( ... header) using the UrlDownloadToFile ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
692
views
1
answer
delphi - How to set shortcut to a line of code in Eclipse IDE editor
I'm after a feature in eclipse that allows me to allocate a shortcut to a line (say line number 55) then go somewhere else in the same file and ... there which adds this feature to eclipse? Regards, Ali See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
689
views
1
answer
delphi - Storing interface pointer inside tree view nodes
I'm attempting to store interface pointers in a tree view under TTreeNode.Data properties. While I am able to store an interface pointer (Node.Data := ... end; What's the appropriate way to do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
803
views
1
answer
delphi - How to 'parent' a form? (Controls won't accept focus)
I have a child form 'frmTest' and a main form 'TfrmMain'. I set the main form as parent for frmTest like this: unit Main; INTERFACE USES System.SysUtils ... can be focused with Tab. What am I doing wrong? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
646
views
1
answer
delphi - Opening URL within ios application
I need to open a webpage with safari in my iOS application. With XE2 there was iphoneall unit, which exposed UIApplication. XE4 doesn't use FPC anymore, ... to take that road just to display a webpage. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
656
views
1
answer
delphi - Make 2 forms able to overlap each other?
I would like to have a seperate form that shows "along" with my main form, so it does not overlap the main form. Here's an example: Notice how the ... can't figure out how to do that in Delphi. Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
614
views
1
answer
delphi - I need help on how to implement class that can be shown in object Inspector
i have ... TDispPitch = class private iLineSize: Integer; iLineColor: TColor; bDisplayAccent: Boolean; bVisible: Boolean; published property LineSize : ... its properties. like LineSize, LineColor etc. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
688
views
1
answer
delphi - Lockbox 3 load public key not possible - stream reading error
Well i generated a keypair with openssl openssl genrsa -des3 -out _private.pem 1024 openssl rsa -pubout -in _private.pem -out public.pem Public ---- ... XE7 and the latest release of Lockbox 3 from Github See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
720
views
1
answer
delphi - Transfer Authentication from Webbrowser to Indy CookieManager
How do you put the cookie from the Webbrowser to an Indy CookieManager for Http Request. I get the cookies after i login in to a website like this. ... :=cookiedata; FreeMem(Cookiedata); end; end; end; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
790
views
1
answer
delphi - Tile/Center image in the forms background
Is there a way to place an image in the form background and be able to tile it or center it ? Also I need to place other components on top of ... but I cannot place anything on top of the image. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
677
views
1
answer
delphi - How to get the default system icon for a drive, a device or a file
I am creating a remote file manager. The server side application gets the list of drivers, directories and files in the computer, saves it as stream and ... impossible, just let me know please... Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
764
views
1
answer
delphi - Drag/Drop inside an Application AND to another Application
I have a ListView containing file names. These file names need to be draggable to a TreeView, which is a drag/drop inside the application and works ... standard drag drop. Thanks for any help! Holger See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
1.4k
views
1
answer
delphi - ssl v3 poodle and move to tls with indy
As you know the new poodle is in town, Witch barks got Twitter, Cloudflare to drop support to SSL3. The Indy(TidHttp) 10.6.0.0 ... Free; parameters.Free; IdSSLIOHandlerSocketOpenSSL1.Free; end; end; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
770
views
1
answer
delphi - Why doesn't my program's memory usage return to normal after I free memory?
consider the next sample application program TestMemory; {$APPTYPE CONSOLE} uses PsAPI, Windows, SysUtils; function GetUsedMemoryFastMem: cardinal; var st: ... different in the Before and After: See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
700
views
1
answer
delphi - How can I avoid refresh with TWebBrowser
I have a TWebBrowser component that show a Google maps page. The problem is that when user press F5 the page refresh and page reloads. This cause javascript ... is not even called. Is there another way ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
884
views
1
answer
delphi - How to display BLOB Image from database in the TAdvStringGrid with the help of DataSet
I have been making an application at Delphi XE3. I am trying to display values from database to the TAdvStringGrid component placed on the form. I am ... with the MemoryStream. How to rectify this error? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
896
views
1
answer
delphi - How do you design FIFO queue with variable data size?
I'm just working on the FIFO queue (the simple one, just what's pushed first, pops at first) with the variable data size but I'm not sure with the way ... to about 1MB (in case of stream) ? Thanks a lot See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
Page:
1
2
3
4
5
6
...
21
next »
Ask a question:
Welcome to Jonic Developer Community for programmer and developer-Open, Learning and Share
Just Browsing Browsing
[1] react16中升级getDerivedStateFromProps的写法
[2] python - role management on a certain discord id
[3] javascript - Validate selection of at least one checkbox using model rules. Yii2
[4] el-transfer右边数据一时渲染一时不渲染,怎么一回事?
[5] Memory leak while freeing a hash table C
[6] 有没有scss转less的网站,直接转函数方法的哪种,或者下面这段代码转成less是怎么写
[7] mariadb - Context of MySQL wildcards
[8] vue3 props typescript 报错
[9] autodesk forge - Extract Assets from Revit file
[10] C# NSubstitude react to unsubsribe from event (operator -=)
548k
questions
547k
answers
4
comments
48.7k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
google
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
web
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
...