VS2005b2 SplitContainerDesigner - designer.Initialize throw an exception

[Günter Lissner]

Hallo all,

i try to adapt my windows forms editor to .NET Framework 2.0. Generally
it works, except with the "SplitContainerDesigner". If i use a
"SplitContainerDesigner" like in the following line:

aSplitContainerDesigner.Initialize(aSplitContainerComp);

an "Object reference not set to an instance of an object." exception is
thrown if the designer is initialized with a component.

Any suggestions what is wrong?

Following are a few lines of code to reproduce the behaviour:

[...]
IComponent aSplitContainerComp =
(IComponent)Activator.CreateInstance(typeof(SplitContainer));

System.ComponentModel.Design.IDesigner designer =
TypeDescriptor.CreateDesigner(aSplitContainerComp,
typeof(System.ComponentModel.Design.IDesigner));

try
{
designer.Initialize(aSplitContainerComp);
}
catch( Exception exc )
{
string Msg = exc.Message + exc.StackTrace;
}
[...]

Many thanks,

Günter Lissner

[Susanne Hengelein]

Hi Günter,

I have exactly the same problem. Did you find a solution?

Regards,
Susann

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[Günter Lissner]

Hi Susanne,

sorry, i did not yet found a solution.

Greetings from Germany,

Günter

Post by Susanne Hengelein
Hi Günter,
I have exactly the same problem. Did you find a solution?
Regards,
Susanne

[Vidocq]

Hi ,

I had this same problem and did not find any solution on the net , eventually I resolved the problem so I thought I would share it ;)

to resolve the problem you must add a Site to both panels of the SplitContainer before initializing the SplitContainerDesigner.

greetings , vidocq_

From http://www.developmentnow.com/g/32_2005_9_0_0_602525/VS2005b2-SplitContainerDesigner--designer-Initialize-throw-an-exception.ht

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