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GeneralRe: Decoding USBSTOR Registry Entry in VB Pin
SantLou4018-Jan-13 2:47
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GeneralRe: Decoding USBSTOR Registry Entry in VB Pin
Alan N18-Jan-13 5:05
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JokeRe: Decoding USBSTOR Registry Entry in VB Pin
Jeffnogueira22-Jan-13 5:31
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QuestionVB.NET ReportViewer too many Page Breaks rendered Pin
SantLou4017-Jan-13 4:39
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AnswerRe: VB.NET ReportViewer too many Page Breaks rendered Pin
ChandraRam17-Jan-13 21:04
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GeneralRe: VB.NET ReportViewer too many Page Breaks rendered Pin
SantLou4018-Jan-13 2:39
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Questioncontrol 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian15-Jan-13 21:10
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AnswerRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Bernhard Hiller15-Jan-13 21:42
memberBernhard Hiller15-Jan-13 21:42 
There is an important and great technology: it's called debugging.
Set a break point somewhere in your code, e.g at Private Sub btn_app1_Click(...) and then run the code step by step. Thus you will detect the line of code where the exception is thrown.
I guess it happens at Private Sub io(...). Either axHwinterface1 is Nothing, or InPort(888) returns Nothing, then the next line fails.
Debugging will tell you the exact reason.
GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian17-Jan-13 8:15
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AnswerRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Richard MacCutchan15-Jan-13 23:59
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GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian17-Jan-13 7:56
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GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Richard MacCutchan17-Jan-13 8:10
mvpRichard MacCutchan17-Jan-13 8:10 
GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian17-Jan-13 8:33
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GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Richard MacCutchan17-Jan-13 23:51
mvpRichard MacCutchan17-Jan-13 23:51 
GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian18-Jan-13 5:58
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GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Richard MacCutchan18-Jan-13 6:10
mvpRichard MacCutchan18-Jan-13 6:10 
GeneralRe: control 5 appliances using pc's parallel port[vb.net 2010] Pin
Lord Christian20-Jan-13 19:55
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QuestionBuilding COM Components Using MATLAB - Part I Pin
SergentX13-Jan-13 7:35
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AnswerRe: Building COM Components Using MATLAB - Part I Pin
Eddy Vluggen14-Jan-13 4:13
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GeneralMessage Removed Pin
SergentX14-Jan-13 9:20
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AnswerRe: Building COM Components Using MATLAB - Part I Pin
Eddy Vluggen14-Jan-13 10:59
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QuestionDebug user control in VB6.0 ? Pin
Member 24584678-Jan-13 23:38
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AnswerRe: Debug user control in VB6.0 ? Pin
ChandraRam17-Jan-13 21:08
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QuestionHow make DOWNLOADER in VB 2010 ? Pin
radoslaw1238-Jan-13 8:21
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AnswerRe: How make DOWNLOADER in VB 2010 ? Pin
GuyThiebaut8-Jan-13 22:53
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