Combo Box Control Window Class
The combo box control's window class describes an ordinary combo box control.
The button control's window class is registered automatically when Windows starts. The name of the class is "COMBOBOX".
Styles
- CBS_AUTOHSCROLL
- Automatically scroll text to the right when the user types a character at the end of the line.
- CBS_DISABLENOSCROLL
- Show a disable the vertical scroll bar in the drop-down list box if it does not contain enough items to scroll. If this flag is not specified, such a scroll bar is not displayed.
- CBS_DROPDOWN
- Display the list box whenever the user clicks the drop-down button.
- CBS_DROPDOWNLIST
- Display the list box whenever the user click the drop-down button, and do not allow the user to change the combo box's selection if the list is not dropped down.
- CBS_HASSTRINGS
- The combo box is drawn manually by the application and contains strings. Either CBS_OWNERDRAWFICED or CBS_OWNERDRAWVARIABLE must also be specified.
- CBS_LOWERCASE
- Convert all text in the combo box to lowercase letters.
- CBS_NOINTEGRALHEIGHT
- Force the combo box to be exactly the size specified by the application, instead of allowing the operating system to slightly resize it to prevent displaying partial selections.
- CBS_OEMCONVERT
- Ensure that text in the combo box can readily be converted into the OEM character set.
- CBS_OWNERDRAWFIXED
- The owner of the combo box is fully responsible for drawing it manually, and all of the items in the combo box have the same height.
- CBS_OWNERDRAWVARIABLE
- The owner of the combo box is full responsible for drawing it manually, and the heights of the items in the combo box have can be different.
- CBS_SIMPLE
- Display the list box portion of the combo box at all times.
- CBS_SORT
- Automatically sort the strings added to the combo box.
- CBS_UPPERCASE
- Convert all text in the combo box to uppercase letters.
Constant Definitions
Const CBS_AUTOHSCROLL = &H40
Const CBS_DISABLENOSCROLL = &H800
Const CBS_DROPDOWN = &H2
Const CBS_DROPDOWNLIST = &H3
Const CBS_HASSTRINGS = &H200
Const CBS_LOWERCASE = &H4000
Const CBS_NOINTEGRALHEIGHT = &H400
Const CBS_OEMCONVERT = &H80
Const CBS_OWNERDRAWFIXED = &H10
Const CBS_OWNERDRAWVARIABLE = &H20
Const CBS_SIMPLE = &H1
Const CBS_SORT = &H100
Const CBS_UPPERCASE = &H2000
Back to the Window Class list.
Back to the Reference section.
Last Modified: October 29, 2000
This page is copyright © 2000 Paul Kuliniewicz.
Copyright Information Revised October 29, 2000
Go back to the Windows API Guide home page.
E-mail: vbapi@vbapi.com Send Encrypted E-Mail
This page is at http://www.vbapi.com/ref/other/classes/combobox.html