// Methods
public ListBoxItem(DataGridViewColumn column, ExtDataGridColumnCollectionDialog owner, ComponentDesigner compDesigner)
{
this.column = column;
this.owner = owner;
this.compDesigner = compDesigner;
if (this.compDesigner != null)
{
this.compDesigner.Initialize(column);
TypeDescriptor.CreateAssociation(this.column, this.compDesigner);
}
ToolboxBitmapAttribute attribute = TypeDescriptor.GetAttributes(column)[ExtDataGridColumnCollectionDialog.toolboxBitmapAttributeType] as ToolboxBitmapAttribute;
if (attribute != null)
{
this.toolboxBitmap = attribute.GetImage(column, false);
}
else
{
//this.toolboxBitmap = this.owner.SelectedColumnsItemBitmap;
}
DataGridViewColumnDesigner designer = compDesigner as DataGridViewColumnDesigner;
if (designer != null)
{
//designer.LiveDataGridView = this.owner.liveDataGridView;
}
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (provider != null)
{
IWindowsFormsEditorService service = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if ((service == null) || (context.Instance == null))
{
return(value);
}
IDesignerHost host = (IDesignerHost)provider.GetService(typeof(IDesignerHost));
if (host == null)
{
return(value);
}
if (this.extDataGridColumnCollectionDialog == null)
{
this.extDataGridColumnCollectionDialog = new ExtDataGridColumnCollectionDialog();
}
//this.extDataGridColumnCollectionDialog.SetDataGrid((ExtDataGrid)context.Instance);
using (DesignerTransaction transaction = host.CreateTransaction("ExtDataGridColumnCollectionTransaction"))
{
if (service.ShowDialog(this.extDataGridColumnCollectionDialog) == DialogResult.OK)
{
transaction.Commit();
return(value);
}
transaction.Cancel();
}
}
return(value);
}