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Xceed Toolkit Plus for WPF v5.1 Documentation
Xceed.Wpf.Toolkit Assembly / Xceed.Wpf.Toolkit Namespace / CheckComboBox Class / OnIsDropDownOpenChanged(Boolean,Boolean) Method
A bool representing the old value.
A bool representing the new value.


In This Topic
    OnIsDropDownOpenChanged(Boolean,Boolean) Method
    In This Topic
    Called when IsDropDownOpen changes
    Syntax
    'Declaration
 

    Protected Overridable Sub OnIsDropDownOpenChanged( _
   ByVal oldValue As Boolean, _
   ByVal newValue As Boolean _
) 
    'Usage
 

    Dim instance As CheckComboBox
Dim oldValue As Boolean
Dim newValue As Boolean
 
instance.OnIsDropDownOpenChanged(oldValue, newValue)
    protected virtual void OnIsDropDownOpenChanged( 
   bool oldValue,
   bool newValue
)

    Parameters

    oldValue
    A bool representing the old value.
    newValue
    A bool representing the new value.
    Remarks
    You must provide an implementation of the desired behavior by modifying the OnIsDropDownOpenChanged method or by deriving from CheckComboBox.
    Supported Frameworks

    .NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

    .NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

    See Also

    Reference

    CheckComboBox Class
    CheckComboBox Members

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