Nevron Open Vision Documentation
NComboBox Class Members
Fields  Properties  Methods  Events


The following tables list the members exposed by NComboBox.

Public Constructors
 NameDescription
Public ConstructorNComboBox ConstructorDefault constructor.  
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Public Fields
 NameDescription
Public Fieldstatic (Shared in Visual Basic)DropDownStylePropertyReference to the DropDownStyle property.  
Public Fieldstatic (Shared in Visual Basic)HScrollModePropertyReference to the HScrollMode property.  
Public Fieldstatic (Shared in Visual Basic)ItemsChildReference to the Items child.  
Public Fieldstatic (Shared in Visual Basic)NComboBoxSchemaSchema associated with NComboBox.  
Public Fieldstatic (Shared in Visual Basic)SelectedIndexPropertyReference to the SelectedIndex property.  
Public Fieldstatic (Shared in Visual Basic)TextBoxChildReference to the TextBox child.  
Public Fieldstatic (Shared in Visual Basic)VScrollModePropertyReference to the VScrollMode property.  
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Public Properties
 NameDescription
Public PropertyDropDownStyleGets or sets the drop down style of the combo box.  
Public PropertyHScrollModeGets or sets the horizontal scroll mode of the popup list box.  
Public PropertyItemsGets or sets the items collection of the combo box.  
Public PropertySelectedIndexGets or sets the selected index. To deselect the currently selected item, set the SelectedIndex to -1.  
Public PropertySelectedItemGets or sets the selected item.  
Public PropertyTextGets or sets the text of the combo box.  
Public PropertyTextBoxGets or sets the text box child of the combo box which is shown when the combo box's drop down style is set to DropDown.  
Public PropertyVScrollModeGets or sets the vertical scroll mode of the popup list box.  
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Public Methods
 NameDescription
Public MethodAccumulateDisplayChildrenOverridden. Appends the displayable children of the node to the provided list.  
Public MethodFillFromArray<TValue>Fills the combo box with the values of the specified array. Assigns the corresponding array value to the Tag property of each combo box item.  
Public MethodFillFromEnumOverloaded. Fills the combo box with the options from the specified enum. Assigns the corresponding enum value to the Tag property of each combo box item.  
Public MethodIndexOfItemWithTagGets the index of the first combo box item whose Tag property is equal to the given value.  
Public MethodIndexOfItemWithTextGets the index of the first combo box item with the given text or -1 if an item with such text is not found.  
Public MethodNavigateToDownItemMoves the selection to the down item of the specified item.  
Public MethodNavigateToFirstItemMoves the selection to the first item.  
Public MethodNavigateToItemMoves the selection to the specified item.  
Public MethodNavigateToLastItemMoves the selection to the last item.  
Public MethodNavigateToNextItemStartingWithNavigates to the next item whose text starts with the given char (case insensitive check is performed).  
Public MethodNavigateToUpItemMoves the selection to the up item of the specified item.  
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Protected Methods
 NameDescription
Protected MethodArrangeItemOverridden. Overriden to layout the item slot.  
Protected MethodCreatePopupContentOverridden. Creates the popup content of the combo box (i.e. a list box).  
Protected MethodGetPopUpListBoxGets the list box shown in the popup window.  
Protected MethodMeasureItemOverridden. Overriden to measure the item slot  
Protected MethodOnInputCharOverridden. Overriden to provide support for navigation based on the first character of combo box items' text.  
Protected MethodOnKeyDownOverridden. Overriden to provide support for key selection.  
Protected MethodOnListBoxMouseEnterCalled when the mouse enters the drop down list box  
Protected MethodOnListBoxMouseUpCalled when a mouse button is released over the drop down list box  
Protected MethodOnMouseWheelOverridden. Default handler for the mouse wheel event. Overriden to provide support for mouse wheel scrolling.  
Protected MethodOnPopupClosedOverridden. Called when the drop down has been closed.  
Protected MethodOnPopupOpenedOverridden. Called when the popup is opened.  
Protected MethodOnSelectedIndexChangedCalled when the SelectedIndex property has changed to update the text of the text box and to select the whole text.  
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Public Events
 NameDescription
Public EventSelectedIndexChangedOccurs when the selected index property has changed.  
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See Also

Reference

NComboBox Class
Nevron.Nov.UI Namespace

 

 


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