DefaultValue(typeof(Padding), "??"

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Juan Ignacio Gelos - 15 Dec 2004 23:53 GMT

Hi all,

I tried this one but doesn't seem to work. I looked into the IL for Padding
and PaddingConverter but doesn't seem to have a CreateInstance(string)... is
it possible at all to specify a DefaultValue for it? Any workarounds?

[DefaultValue(typeof(Padding), "{Left=2,Top=2,Right=2,Bottom=1}")]

Thanks,
Juan

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joeycalisay - 16 Dec 2004 01:21 GMT

I can't see where your Padding and PaddingConverter is declared. Are you
talking about DockPadding? For complex types, you should be using
ShouldSerialize<PropertyName> and Reset<PropertyName> methods...

> Hi all,
>
[quoted text clipped - 6 lines]
> Thanks,
> Juan

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Juan Ignacio Gelos - 16 Dec 2004 17:44 GMT

Thanks. Padding is a .NET 2 class, PaddingConverter is its (internal)
TypeConverter.

> I can't see where your Padding and PaddingConverter is declared. Are you
> talking about DockPadding? For complex types, you should be using
[quoted text clipped - 12 lines]
> > Thanks,
> > Juan

Reply to this Message

joeycalisay - 17 Dec 2004 01:59 GMT

Whidbey again, no time to test it yet. Anyway, i've read that they're
changing the shouldserialize<propertyname> method to
shouldpersist<propertyname> in 2.0

> Thanks. Padding is a .NET 2 class, PaddingConverter is its (internal)
> TypeConverter.
[quoted text clipped - 16 lines]
> > > Thanks,
> > > Juan

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Juan Ignacio Gelos - 17 Dec 2004 09:23 GMT

Joey,

Can you elaborate on the signature of the Reset<PropertyName> methods I
should implement? Also, any url to a sample or documentation would be
appreciated. The following doesn't seem to work:

[Category("Layout")]
[DefaultValue(typeof(Padding), "1, 3, 3, 0")]
public new Padding Padding
{
get
{
return padding;
}
set
{
padding = value;
base.Padding = padding;
}
}
private Padding padding = new Padding(1, 3, 3, 0);

public void ResetPadding()
{
padding = new Padding(1 3, 3, 0);
}

Regards,
Juan

> I can't see where your Padding and PaddingConverter is declared. Are you
> talking about DockPadding? For complex types, you should be using
[quoted text clipped - 12 lines]
> > Thanks,
> > Juan

Reply to this Message

Francois Miousse - 17 Dec 2004 15:49 GMT

I was having the same problem, and I found the solution.
Remove [DefaultValue(...)] and add ShouldSerializePadding.

Try this:

[Category("Layout")]
public new Padding Padding
{
get
{
return padding;
}
set
{
padding = value;
base.Padding = padding;
}
}
private Padding padding = new Padding(1, 3, 3, 0);

public void ResetPadding()
{
padding = new Padding(1 3, 3, 0);
}

public bool ShouldSerializeMargin()
{
return padding != new Padding( 1 3, 3, 0 );
}

Reply to this Message

Juan Ignacio Gelos - 17 Dec 2004 20:05 GMT

It worked!
Thanks again, Francois & Joey

> I was having the same problem, and I found the solution.
> Remove [DefaultValue(...)] and add ShouldSerializePadding.
[quoted text clipped - 25 lines]
> return padding != new Padding( 1 3, 3, 0 );
> }

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joeycalisay - 20 Dec 2004 01:35 GMT

Actually, documentation says use one or the other. For the documentation,
try this one, it helped me a lot:

http://www.awprofessional.com/articles/printerfriendly.asp?p=169528

> It worked!
> Thanks again, Francois & Joey
[quoted text clipped - 28 lines]
> > return padding != new Padding( 1 3, 3, 0 );
> > }

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DefaultValue(typeof(Padding), "??"

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