Using RTTI to call task methods Moreover, be sure to check out the latest workshop from the creator of the OmniThreadLibrary, Primož Gabrijelčič atDelphiCon! In this session, he shows several practical
With Delphi, you can write and use your own DLLs and even call functions regardless of whether or not they were developed with other systems or developers, likeVisual Basic, orC/C++. Creating a Dynamic Link Library The following few lines will demonstrate how to create a simple DLL using Del...
Add-in Express publishes the Excel.Application object as an instance of TExcelApplication to access to all Excel objects and their events. So, if you need to integrate with Excel, or with MS Office in general, check out Add-in Express VCL, the tool that makes Delphi the best platform for...
To create a Delphi MQTT client application, we are going to need a Delphi MQTT component. We can use the Delphi WebSocket components from eSeGeCe. The download and installation process, is detailedhere. First drop the two main components to a form, the TsgcWebSocketClient, and the TsgcWSPClie...
C# to create an access database...with password protection. C# to delete an Excel Worksheet c# to jQuery replace " with double quote C# To Open Access Database C# to OpenOffice Calc C# to POST HTTP with XML C# to query SQL and store results in a variable C# to read S.M.A.R...
Using the Excel Object Model in an XLL Microsoftsays that a function that is defined in an XLL add-in can be called under three circumstances: 1. During the recalculation of a workbook 2. As the result of Excel's Function Wizard being called on to help with the XLL function ...
It is so much easier to get consistency of component visual elements using CSS, and even a newbie like me got hold of it very quickly. Even better, by defining multiple stylesheets and coding in a change routine, it is possible to create different themes for the a...
So, I wanted to create the OnCellDblClick event, but as I've said earlier, I don't know how to do it. I noticed that a lot of people want this same event, but I can't find the answerd to it. Is it possible to know if the double click was on a record, if it was, then...
How can I insert an image in picture control which is present in the dialog based form? This is my button click event handler. ** CBitmap Bit1; Bit1.LoadBitmap(L"c:\SampleImg.bmp"); mPictureCtrl.SetBitmap(Bit1); ** But, when i click the button, given image is not shown on ...
Bots can be also added to the list of administrators. This makes a channel an ideal tool for providing trading signals. A bit later we will write a simple bot that publishes signals from the standard MACD indicator. A new public channel can be created through the messenger's “New Channel...