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OnMouseDownEventHandler Delegate

Represents the method that handles the OnMouseDown event.
[Visual Basic .NET]
Public Delegate Sub OnMouseDownEventHandler ( _
    ByVal button As Integer, _
    ByVal shift As Integer, _
    ByVal X As Integer, _
    ByVal Y As Integer _
)
[C#]
public delegate void OnMouseDownEventHandler (
    int button,
    int shift,
    int X,
    int Y
);