integrate plug-ins in your applications in visual basic

The following Visual Basic project contains the source code and Visual Basic examples used for integrate plug-ins in your applications. The following demo is a great example (in my opinion) of how to integrate custom plug-ins in your VB program, by using ActiveX DLLs.
The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
cPlugIn.cls 3133
cPlugInHandler.cls 3019
cRegistry.cls 24973
frmMain.frm 2555
frmPlugInsList.frm 5538
class_names.txt 150
cRegistry.cls 24973
frmConfigureSpellChecker.frm 2891
GreatPlugInPackage.dll 53248
GreatPlugInPackage.exp 1039
GreatPlugInPackage.lib 2786
GreatPlugInPackage.vbp 909
GreatPlugInPackage.vbw 192
InstallPlugIns.exe 20480
modCommon.bas 759
modSpellChecker.bas 1233
SpellChecker.cls 2137
modGlobals.bas 101
PlugExample.exe 57344
InstallPlugIns.exe 20480
modMain.bas 1446
prjInstallTestPlugIn.vbp 636
prjInstallTestPlugIn.vbw 25
prjHostApplication.vbp 846
prjHostApplication.vbw 237
readme.txt 4705
0.ico 766
1.ico 766
2.ico 766
3.ico 766
0.ico 766
1.ico 766
2.ico 766
3.ico 766
0.ico 766
1.ico 766
2.ico 766
3.ico 766
0.ico 766
1.ico 766
2.ico 766
3.ico 766
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class_names.txt 201
cRegistry.cls 24973
InstallPlugIns.exe 20480
modCommon.bas 759
PlugInterface1.cls 1819
PlugInterface2.cls 1282
TestPlugIn.dll 49152
TestPlugIn.vbp 843
TestPlugIn.vbw 118