BarItem & DataBindings

[Mikaël Morvan]

Hi,

When i want to add 2 dataBindings to 2 baritem, an exception occurs.
The code is :
this.bi_print.DataBindings.Clear();
this.bi_printPreview.DataBindings.Clear();
this.bi_print.DataBindings.Add("Enabled", form, "CanPrint");
this.bi_printPreview.DataBindings.Add("Enabled", form, "CanPrintPreview");

The exception is :
Une exception non gérée du type ''System.ArgumentException'' s''est produite dans system.windows.forms.dll

Informations supplémentaires : Deux liaisons de la collection vont être liées à la même propriété.

It occurs because the dataBindings collection of each baritem is the same. So when i add a dataBinding to "bi_print" baritem, it''s added to "bi_printPreview" baritem.
Why ?
How can i solve this problem (i use 3.2.1.0 version) ?

Regards,
Mikaël

[Administrator]

Hi Mikael, Please implement the ICustomTypeDescriptor interface to support databinding for BarItems.I have attached a sample that illustrates this.Let me know if this meets your requirement. We appreciate your cooperation. Regards, Ebenezer.P

DataBinding.zip

[Mikaël Morvan]

Hi,

Now, this code works fine :
this.DataBindings.Add(new System.Windows.Forms.Binding("MenuItem:Print.Text", form, "Text"));
this.DataBindings.Add(new System.Windows.Forms.Binding("MenuItem:PrintPreview.Text", form, "Text"));

but this one not work :
this.DataBindings.Add(new System.Windows.Forms.Binding("MenuItem:Print.Enabled", form, "CanPrint"));
this.DataBindings.Add(new System.Windows.Forms.Binding("MenuItem:PrintPreview.Enabled", form, "CanPrintPreview"));

I can''t use databinding with the enabled properties of baritems.
How can i make baritem support this databinding ?

Regards,
Mikaël

[Administrator]

Hi Mikael,

I am afraid it is possible to databind only the text and tooltip properties of the BarItem.

We appreciate your cooperation.

Regards,
Ebenezer.P