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Questions tagged [jvcl]

JEDI Visual Components Library (jvcl) is a collection of visual and non-visual components for Delphi, Kylix and C++ Builder. The code is donated from the JEDI community and licensed under the terms of Mozilla Public License (MPL).

JEDI Visual Components Library (jvcl) is a collection of visual and non-visual components for Delphi, Kylix and C++ Builder. The code is donated from the JEDI community and licensed under the terms of Mozilla Public License (MPL).

Link to jvcl homepage

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Delphi: Should a thread ever be created "not suspended"?

I've been trying to track down a memory leak in Jedi VCL's JvHidControllerClass.pas, which i came across this change in the source history: Older revision: constructor TJvHidDeviceReadThread.CtlCreate(const Dev: TJvHidDevice); begin inherited…
Ian Boyd
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Where do I find the bpl file after I compile a package?

I want to create *.bpl file but I am failing to do so. Specifically, I am trying to make JEDI plugins, but I have tried an empty pure Delphi package, too. If I create a new package in Delphi XE3, I get an empty unit - if I "make" this project called…
Pharaoh
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JVCL installation Delphi XE7

I have recently installed Delphi XE7 and have been adding my 3rd Party components sets. I also have Delphi 7, XE4 & XE6 on my dev machine. When running JVCL 3.48 install I am getting the option to install or update 7, XE 4 & XE 6 but not XE 7. What…
Eishman
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Enumerating USB HID Devices using SetupAPI in 64 bit app

I am using Delphi XE2 and attempting to upgrade our usb comms dll to 64 bit. We're using the JVCL SetupAPI and Hid units. All works perfectly using 32 bit compiler and can see my attached HID device. I switch to 64 bit and I can no longer see any of…
Steve Magness
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Is there a recommended route to installing JEDI and JVCL for Delphi XE5?

I see that JCL and JVCL are now in GitHub and I have previously installed them both under XE3 using the built-in installer. I've also used the XE4 'special' posted on the Embarcadero page. Has anyone managed to get JCL and JVCL working with XE5 yet…
Brian Frost
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jcvl not working due to jcl requirements

I am trying to manually install JCL and jvcl for delphi xe2. I have installed JCL as directed and it seems to have installed with no issues. Now I try to load the JVCL package 16 , it opens delphi and starts to load libarys, When it gets to the…
Glen Morse
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Error on installing JVCL

I have installing JCL via Install.bat and its successfully installed. However, when I try to install JVCL via install.bat, I got an error message like this: [Compiling installer...] Using Embarcadero RAD Studio XE Embarcadero Delphi for Win32…
Andromeda
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JvDockTabPageControl: Show form caption in hint on tab mouseover

I have a number of forms tabdocked in a JvDocking Page Control, but the tabs are too small to display the entire form caption. Is there anyway to display a hint containing the tab text when the tab is hovered over? The closest I've gotten is a hint…
user3042297
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JVCL Docking-Docking_in_Code example - Tab Dock possible error

I am using delphi xe2 with update 4, under OS: Win7, and I want to build an application for my semestre exam that allows docking forms. Because I am a student I can`t afford to buy any docking components. So I began to learn how JVCL Docking works…
Cristian Vasuica
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How to reskin a Delphi 6 application?

I just received some artist rendered images of my Delphi Pro 6 application that I will use to overhaul the look and feel of it. The problem is of course that my application, like any other Delphi application, uses the VCL custom control library and…
Robert Oschler
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Best way to have a return value with TJvPluginManager

im currently working in a simple program that implements plugins whith dll libraries (using the TJvPluginManager from the JVCL Framework). So far I figure out how to use this component to handle commands but what if i want to have a return value…
RadiX
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Installing JVCL into Delphi 10 Seattle

When trying to install JCL and JVCL into Delphi 10 Seattle using the GetIt Package Manager I get an error: "Windows 7 Professional Service Pack 1 (6.1.7601) JVCL 3.50.0.0 [Generating: Packages] Generating packages for D15 Loaded template.dpk …
Lars Ljungberg
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Delphi: How to use TJvRichEdit to load or save text and images (not just .bmp) to file or firebird blob field?

Regarding TJvRichEdit and Delphi... How? Load/Save rtf (including text and images - not only .bmp) to/from a file? Read/Write rtf (including text and images - not only .bmp) to/from Firebird blob field? Automatically convert screendump pasted from…
Sam
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JVCL Component Documentation

I've just installed the JCL and JVCL libraries, mostly because they contain components replacing the old rxLib components and I'm upgrading an old project that made heavy use of those components. I now find myself with numerous new tabs in my Delphi…
Larry Lustig
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JvDataSource's OnRecordChanged Event does not fire

JvDataSource has an OnRecordChanged event which, as the name suggests, should be fired whenever current record is changed. But it doesn't fire at all. In fact, even OnUpdateData isn't fired at all. I'm beginning to suspect that something is really…
iMan Biglari
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