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Posts in 'activex'


Many people are pleasantly surprised that we still offer our classic SpreadCOM control and naturally have many questions. Here are your answers:

All C1Studio Controls Compatible with ASP.NET 4.6.1 and up

Don't forget: Microsoft will end product support for .NET 4.0, 4.5, and 4.5.1 on Jan. 12, 2016. ComponentOne Studio controls will not be affected.

What's New in ComponentOne Studio v2.5: September Edition!

A host of enhancements and features have been added in CmoponentOne Studio v2.5, including compatibility with Windows 10 and Microsoft Edge browser.

XArrayDB Licensing

Many customers have reported this issue wherein they face problems with the Licensing of XArrayDB object.

How To: Create VSFlexGrid on the fly

Creating ComponentOne VSFlexGrid on the fly and adding it to Form is an easy task. In this blog we will explain how you can fill VSFlexGrid with data once it is added to Form at runtime. This blog is targeting the developers who are in love with VSFlexGrid and still work in ActiveX environment.

Spread COM 8.0.20 Released!

I am happy to announce the release of Spread COM 8.0.20! This update fixes a number of reported issues and adds support for Windows 8.

Paste from Excel in Spread for COM

One of the most common user scenario faced by the developers is to support/provide copy/paste feature from the clipboard. With the Spread for COM product, it is with ease to copy paste data from Excel file. However, user cannot copy paste more than 500 rows of data to Spread for COM in a single paste transaction.

Resolving "DLL Hell" Problem for ActiveX Components

In computing, DLL Hell is a term for the complications that arise when working with dynamic link libraries (DLLs) used with Microsoft Windows operating systems, particularly for legacy 16-bit editions which all run in a single memory space. While the phrase is Windows-specific and a derivation of the general cross-platform phrase Dependency Hell, the rhyme DLL Hell makes its use popular for discussing a general Windows-related dependency hell case.

Merging Multiple Reports in Single PDF

Integrating multiple reports in a single PDF file is helpful in many ways. It allows customers/clients to have a better view of the company reports and analyze them.

Spread: Using Excel 2007 Features on Client's machine.

Spread 8 has introduced support to work with Excel 2007 which is not possible with earlier versions of Spread COM. This feature was added to Spread COM in 2010. There have been some customers facing issues using Spread 8 COM with Excel 2007 on client's machine i.e. after deployment.

Deploying Spread for COM with Your Application

Customers often experience issues while deploying Spread with their application. In this blog I am going to explain deployment of an application which contains Spread for ActiveX.

Troubleshooting 'Class not registered' Error

Accessing properties of ActiveX controls via designer is a very basic feature which enable us to to implement operations like styling etc. directly at design time.

Embedding and Viewing Text Files in VSPrint 8.0

Sometimes user need to preview text files like .txt/.rtf/.vp in VSPrint8 control. This blog explains the small and easy implementation of the same.

Troubleshooting ActiveX Licensing

Getting over the licensing problem is the main stay if we are distributing our application or using it on our end as well.

QuickTool: Convert Text, RTF and VP Files To C1D

We have discussed how to load a text, rtf and vp files in C1PrintPreview controls in our following blogs :

Loading ActiveX VSPrinter Documents into C1PrintDocument

Few years ago we had a sample for converting and viewing VsPrinter Documents (*.vp) files in C1PrintPreview (1.x) control. But after the introduction of 2.0 framework and merging of C1Report and C1Preview controls, the object model of the Preview controls changed.

Chart8 for Windows 2000

Windows 2000 has been non-supported since 2005 (7 years ago). The Chart8 build 8.0.20102.88 was the last build of Chart8 under Visual Studio 6.

Conversion of VSFlexGrid 7.0 to C1.Win.C1FlexGrid.Classic

There are few customers who are using VSFlexgrid 7.0 in their old legacy VB 6.0 applications, and want to migrate to the corresponding .NET version i.e. C1FlexGridClassic.

Importing HTML tables to VSFlexGrid

This blog deals with loading of HTML tables into VSFlexGrid.