Add-in Express for Office and VCL supports all versions of Microsoft Excel 2000 to Excel 2021. How to enhance Excel in Delphi with Add-in Express If you have ever tried to build a COM add-in for MS Excel, then you certainly know that the most complex part of creating such add-ins ...
How to add Leading Zeroes to a Number (Delphi Format) Here's how convert (an integer) number to a string by adding an amount of leading zeroes. Suppose you are developing a database application, and you need to operate on, let's say, a customer number, where each number needs to be...
Let's pull all we've discovered together in a skeleton Delphi application whose main form, Form1, needs to be able to catch and process dropped files. In our form creation event handler we register our interest with Windows: 1procedure TForm1.FormCreate(Sender: TObject); 2begin 3 // ....
This source code is merely a proof of concept and is intended only to illustrate this article. It is not designed for use in its current form in finished applications. The code is provided on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. ...
How can you make the browser control take on the look and feel of the hosting form, given that each user may have a different display configuration that is not known at design time? I needed to do this to add some HTML content to a couple of dialogue boxes and make the HTML appear ...
(C# console application) OR (C#windows form application) (Programatically) Restart Explorer.exe like its done with task manager [A]MySQL.Data.MySqlClient.MySqlConnection cannot be cast to [B]MySQL.Data.MySqlClient.MySqlConnection. [C#] How to make the Console Process delay [C#] Oracle....
Arrange the form and set itsCaptionto look something like this: Image 1: Test application main form in Delphi form designer We will use theTTimerto update the status bar with details of the active control every 1/10thof a second. To do this create aOnTimerevent handler for theTTimeras ...
How to Parse a Delimited String Into a String List There are many times when you need to split a string into an array of strings by using a character as a separator. For example, a CSV ("comma" separated) file might have a line like "Zarko;Gajic;;DelphiGuide" and you want this ...
How to build integrated Excel extensions: COM Add-in, RTD Server and XLL in one project This C# example shows how to create integrated Excel extensions containing a plugin, real-time data server and a number of XLL add-ins (User-defined functions) in a single Visual Studio project. ...
Note that the Application.CreateForm() procedure expects a variable of type TFormClass for its first parameter. If you can provide a TFormClass type variable (from a string), you will be able to create a form from its name. TheFindClass()Delphi function locates aclass type from a string....