pub struct ID2D1RadialGradientBrushVtbl {
    pub parent: ID2D1BrushVtbl,
    pub SetCenter: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, center: D2D1_POINT_2F),
    pub SetGradientOriginOffset: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, gradientOriginOffset: D2D1_POINT_2F),
    pub SetRadiusX: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, radiusX: FLOAT),
    pub SetRadiusY: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, radiusY: FLOAT),
    pub GetCenter: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, ret: *mut D2D1_POINT_2F) -> *mut D2D1_POINT_2F,
    pub GetGradientOriginOffset: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, ret: *mut D2D1_POINT_2F) -> *mut D2D1_POINT_2F,
    pub GetRadiusX: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush) -> FLOAT,
    pub GetRadiusY: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush) -> FLOAT,
    pub GetGradientStopCollection: unsafe extern "system" fn(This: *mut ID2D1RadialGradientBrush, gradientStopCollection: *mut *mut ID2D1GradientStopCollection),
}Fields
                             | parent |  | 
                             | SetCenter |  | 
                             | SetGradientOriginOffset |  | 
                             | SetRadiusX |  | 
                             | SetRadiusY |  | 
                             | GetCenter |  | 
                             | GetGradientOriginOffset |  | 
                             | GetRadiusX |  | 
                             | GetRadiusY |  | 
                             | GetGradientStopCollection |  |