XL2000: Run-Time Error Using the DropDown Method with a ComboBox (213717)
The information in this article applies to:
This article was previously published under Q213717 SYMPTOMS
When you use the DropDown method in a Microsoft Visual Basic for Applications procedure to display the list of a combo box, you may receive an error message similar to the following:
Run-time error'-2147417848(80010108)':
Automation error
Connection to type library or object library for remote process has been lost. Press OK for dialog to remove reference.
CAUSE
This behavior can occur when the following conditions are true:
- You have a Visual Basic procedure attached to the Click event or the Change event of a ComboBox control in a UserForm.
- and - - The Visual Basic procedure attempts to set the focus to, and then display the list of, another ComboBox control on the UserForm.
WORKAROUNDMicrosoft provides programming examples for illustration only, without warranty either
expressed or implied, including, but not limited to, the implied warranties of
merchantability and/or fitness for a particular purpose. This article assumes
that you are familiar with the programming language being demonstrated and the
tools used to create and debug procedures. Microsoft support professionals can
help explain the functionality of a particular procedure, but they will not
modify these examples to provide added functionality or construct procedures to
meet your specific needs. If you have limited programming experience, you may
want to contact a Microsoft Certified Partner or the Microsoft fee-based
consulting line at (800) 936-5200. For more information about Microsoft Certified
Partners, please visit the following Microsoft Web site:
For more information about the support options that are available and about how to contact Microsoft, visit the following Microsoft Web site:
The following example illustrates how to display the list of one ComboBox control when you make a choice in the list of another ComboBox control on a UserForm.
Populate the ListBox Directly from Worksheet Cells- Close and save any open workbooks, and then open a new workbook.
- On Sheet1, type the following values:
A1: Planes C1: Alpha
A2: Trains C2: Bravo
A3: Automobiles C3: Charlie
- Start the Visual Basic Editor (press ALT+F11).
- If the Properties window is not visible, click Properties Window on the View menu (or press F4).
- On the Insert menu, click Module.
- In the module sheet, type the following procedure:
Sub DropDown_ComboBox()
UserForm1.ComboBox2.DropDown
End Sub
- On the Insert menu, click UserForm.
- Draw a ComboBox control on the UserForm.
- Change the following properties of the ComboBox control to the following values:
Property Value
------------------------------
RowSource Sheet1!A1:A3
- Double-click the ComboBox to open the code window.
- In the module, type the following code for the ComboBox Click event:
Private Sub ComboBox1_Click()
Application.OnTime Now, "DropDown_ComboBox"
End Sub
- Draw another ComboBox control on the UserForm.
- Change the following properties of the ComboBox control to the following values:
Property Value
------------------------------
RowSource Sheet1!C1:C3
- Run the UserForm.
When you click an item in the ComboBox1 list, the ComboBox2 list is automatically displayed.
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. REFERENCESFor more information about using the ComboBox control, in the Visual Basic Editor, click Microsoft Visual Basic Help on the Help menu, type comboboxcontrol in the Office Assistant or the Answer Wizard, and then click Search to view the topic.
For more information about using the DropDown method, in the Visual Basic Editor, click Microsoft Visual Basic Help on the Help menu, type dropdown method in the Office Assistant or the Answer Wizard, and then click Search to view the topic.
Modification Type: | Minor | Last Reviewed: | 10/11/2006 |
---|
Keywords: | kbbug kberrmsg kbpending kbProgramming kbui KB213717 |
---|
|