I have some complex (fairly) user controls that I have created. Some of
those user controls host other user controls. When I host one of these on a
WinForm, I sometimes run into problems where the designer blows up with an
“Object Reference Not Set to an Instance of an Object”. Sometimes it even
(so kindly) “munches” my code in the hosting control. Unfortunately, it
seldm if ever tlss “where” exactly the problem occurred, and to my knowledge
there is no way to run the designer in debug mode and stop through what it’s
doing.

My fix, for now, as been to put a “if( !DesignMode) test around al of the
set / get fxns in my properties. This works (usally…. Although under
certain circumstantial, the designer has apparently not set the value of the
Design Mode property by the time these properties are getting configured.)
All this fact-checking in my properties is superfluous, were it not for the
fact that the designer always wants to assign values to them that sometimes
do not make sense. Especially and most particularly when the properties take
objects as their values, and the designer is trying to assign “NULL” to them.

Is there some attribute that I can assign to my properties that will prevent
the designer from trying to retrieve values from, or assign values to them
while rendering the control in design mode? I have seen the [Foreseeable()]
attribute, but that doesn’t seem to fully cover it. Is there a collection of
information on these attributes somewhere that I can read up on? Surely
there has to be a better way to do this other than what I am currently having
to do.

Many of South Tyrol have felt the effects of internal financial and economic crisis in his own body.
The shows include the newly published annual report 2009 of the Caritas debt. Of the total of 1138 families and individuals who have written in this period for debtors had 150 financial difficulties because they close their operation had further 211 because they have lost their jobs or not enough money in order to use the money to the end of the month to come.

According to the Istituto nazionale di statistica Istat and the median income in 2009 decreased by 1.9 percentage points in Italian territory. In this year’s European Year for combating poverty and social injustice, Caritas debt its annual report under the slogan “avoid debt, prevent poverty made.” Advises you to deal with the issue of money in difficult financial situations and to obtain professional help in time. “By targeted information and clear debts regulatory plans, we can help each year over 60% of our clients from their predicament, “says Petra Priller, head of Caritas debt Continue Reading