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| Pascal Cloup |
Hello,
Is it possible to put in the Clipboard, an object which implements the
IDataObject interface but that knows only a format that is not defined in
the DataFormats?
What i want to do is to pull an object from the clipboard lke this:
IDataObject pulledObject = Clipboard.GetDataObject();
if ( pulledObject != null && pulledObject.GetDataPresent(
"MyObjectFormat" ) )
{
CMyClass A = pulledObject.GetData( "MyObjectFormat") as
CMyClass;
}
Pascal
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| ClayB [Syncfusion] |
Here are two button handlers that put an arbitrary object into a DataObject,
places this DataObject on the Clipboard and then retrieves it.
private void button1_Click(object sender, System.EventArgs e)
{
MyObject o = new MyObject(18);
DataObject data = new DataObject("Mine", o);
Clipboard.SetDataObject(data);
}
private void button2_Click(object sender, System.EventArgs e)
{
if(Clipboard.GetDataObject().GetDataPresent("Mine"))
{
MyObject o = Clipboard.GetDataObject().GetData("Mine") as MyObject;
Console.WriteLine(o);
}
}
=================
Clay Burch, .NET MVP
Visit www.syncfusion.com for the coolest tools
"Pascal Cloup" <Click here to reveal e-mail address> wrote in message
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| Pascal Cloup |
Hello Clay,
Thanks for your answer.
I tried what you have suggested in the following manner:
rather than transmit to DataObject an object (A) of my original classe(CA) ,
i transmit an object B of a class (CB) that implements the ISerializable
interface and that describes A. (CA can not be serialized because it is
derived from Control).
When pushing B in the clipboard with :
DataObject D = new DataObject ("Mine",B);
Clipboard.SetDataObject( D, true);
, the method GetObjectData of B is normally called. But When i try to
recover my object from the clipboard i always get a nul reference.
Probably, i miss something, but what?
someone have an idea?
Pascal
"ClayB [Syncfusion]" <Click here to reveal e-mail address> a écrit dans le message de
news:%Click here to reveal e-mail address...
> Here are two button handlers that put an arbitrary object into a
DataObject,
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| ClayB [Syncfusion] |
You might try this. Instead of putting B on the clipboard, put a
memorystream that was created from B through serialization. Then get the
memory stream from the clipboard and use serilization to reconstruct B when
you get ready to paste.
=======================
Clay Burch, .NET MVP
Visit www.syncfusion.com for the coolest tools
"Pascal Cloup" <Click here to reveal e-mail address> wrote in message
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| Pascal Cloup |
Hello Clay,
"> You might try this. Instead of putting B on the clipboard, put a
[Original message clipped]
I didn't find how to create a MemoryStream object from an object like B that
is a serializable object.
Can-you give a example or a link? the documentation doesn't contain
sufficient details.
thanks in advance
Pascal
[Original message clipped]
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| Pascal Cloup |
Hello Clay,
"> You might try this. Instead of putting B on the clipboard, put a
[Original message clipped]
I didn't find how to create a MemoryStream object from an object like B that
is a serializable object.
Can-you give a example or a link? the documentation doesn't contain
sufficient details.
thanks in advance
Pascal
[Original message clipped]
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| ClayB [Syncfusion] |
Attached is a little sample that places an an object on the clipboard and is
able to retrieve it. It does not have to use any serialization as I
suggested earlier. The object has both simple types and a derived object as
members.
=================
Clay Burch, .NET MVP
Visit www.syncfusion.com for the coolest tools
"Pascal Cloup" <Click here to reveal e-mail address> wrote in message
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| Pascal Cloup |
Thank you
I saw where the error was in my code. My serializable class didn't have a
constructor like:
protected MyObject(SerializationInfo info, StreamingContext context)
After verifications, the documentation doesn't indicate that such
constructor have to be implemented.
kind greetings
Pascal
"ClayB [Syncfusion]" <Click here to reveal e-mail address> a écrit dans le message de
news:Click here to reveal e-mail address...
> Attached is a little sample that places an an object on the clipboard and
is
[Original message clipped]
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