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Xceed Chart for WinForms v4.4 Documentation
Xceed.Chart.v4.4 Assembly / Xceed.Chart Namespace / ChartToolbarControl Class / OnToolbarButtonDropDown Method


In This Topic
    OnToolbarButtonDropDown Method
    In This Topic
    Handles the ButtonDropDown event of the toolbar.
    Syntax
    'Declaration
 
Public Overridable Function OnToolbarButtonDropDown( _
   ByVal button As ToolBarButton, _
   ByVal e As EventArgs _
) As Boolean
    'Usage
 
Dim instance As ChartToolbarControl
Dim button As ToolBarButton
Dim e As EventArgs
Dim value As Boolean
 
value = instance.OnToolbarButtonDropDown(button, e)
    public virtual bool OnToolbarButtonDropDown( 
   ToolBarButton button,
   EventArgs e
)

    Parameters

    button
    e

    Return Value

    true if the event is handled, false if the button does not require repopulation of its drop down menu
    Remarks
    Override this method if you want add event handling and population of drop down menue buttons
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also

    Reference

    ChartToolbarControl Class
    ChartToolbarControl Members

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