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 Tools for Microsoft .Net & .Net Compact Framework
 Real-Time Graphics Tools for .Net (VB and C#)
 IsDesignMode
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aschubert

7 Posts

Posted - 07 Feb 2007 :  16:44:46  Show Profile  Reply with Quote
the examples I received with my purchase of you product uses
'If Me.IsDesignMode Then' in the VB versions when dealing with the Timer.
When I try to check it out I see it is in com.quinncurtis.chart2dnet.ChartView.IsDesignMode().

The definition I get is "Specifies if the current instance is in design mode. "

What does design mode imply?

Thank You


Al Schubert

quinncurtis

1531 Posts

Posted - 08 Feb 2007 :  09:17:11  Show Profile  Reply with Quote
When you place a control on a form in the VB IDE, you are instantiating (running the code) of the control, in "design mode". This is different than "run-time mode", where you are actually executing the program. We don't want our ChartView derived user controls exectuting real-time updates via the timer while in design mode. This can lead to errors that are hard to debug and which will prevent you from adding the control to a form. That's why you see that we use 'If Me.IsDesignMode Then' to skip real-time updates if the control is being used in "design mode".

If you want to read more about design mode vs run-time mode, just enter:

.net vb "design mode"

into google.
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