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RadColorPickerDropDownOpening Event
Occurs when the SplitButton will be opened. Set True for the Handled property and the SplitButton won't open.

Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.Input (in Telerik.Windows.Controls.Input.dll) Version: 2018.1.220.40 (2018.1.220.40)
Syntax
public event RadRoutedEventHandler DropDownOpening

Value

Type: Telerik.WindowsRadRoutedEventHandler
See Also