You may also want to take a look at the DropDownWidth property on the control. There are certainy special values, like -1, that can be used to size the dropdown to the control.

Mike,

Thanks for the update

Regards

Stephen

There have been no changes to this functionality that I know of - unless some part of this was a bug that was fixed, and I don't think that is the case.

I am facing the same issue - Has there been any updates to the functionality to do this any differently since 2009? Thank you

Here are my findings:

• With DropDownWidth = -1 (the default): When grid section is larger, the left-edges are aligned and the grid extends to the right of the control.When the grid section is narrower, the right-edges are aligned.
• With DropDownWidth = 0: When grid section is larger, both edges are aligned and a scrollbar appears on the bottom to allow you to see the full grid. When the grid section is narrower, both edges are aligned and the section of the grid without data is filled with default background color.
• I was able to change the display location of the drop-down control by using the CreationFilter below. I put it here for future reference for other people.

/// <summary>

/// This creation filter makes sure the left edges of the text and drop down sections

/// of the UltraCombo are aligned.

/// Without this, when the drop-down is narrower than the text portion     

/// both sections have their right-edge aligned instead.

/// </summary>

private class GlueDropDownToLeftCreationFilter : IUIElementCreationFilter

{

    #region Implementation of IUIElementCreationFilter

    bool IUIElementCreationFilter.BeforeCreateChildElements(UIElement parent)

    {

        return false; // let the child elements be created normally

    }

    void IUIElementCreationFilter.AfterCreateChildElements(UIElement parent)

    {

        if (parent is UltraGridUIElement)

        {

            UltraGridUIElement gridUIElement = (UltraGridUIElement)parent;

            Control textSection = gridUIElement.Grid;

            Control dropDownSection = gridUIElement.Control.Parent;

            // this method is called more than once, the first time the drop-down section

            // is not attached to the UIElements which explains this "if".

            if (dropDownSection != null)

            {

                // get wanted location (just below text portion) in the

                // textSection's parent's referential and convert to screen referential

                Point location = new Point(textSection.Left, textSection.Bottom);

                location = textSection.Parent.PointToScreen(location);

                // when control has parent we need to convert the location back to this parent's referential

                if (dropDownSection.Parent != null)

                {

                    location = dropDownSection.Parent.PointToClient(location);

                }

                //we're good now

                dropDownSection.Location = location;

            }

        }

    }

    #endregion

}