Constant windows::Win32::Graphics::Direct2D::D2D1_SPOTDIFFUSE_PROP_KERNEL_UNIT_LENGTH
pub const D2D1_SPOTDIFFUSE_PROP_KERNEL_UNIT_LENGTH: D2D1_SPOTDIFFUSE_PROP;
pub const D2D1_SPOTDIFFUSE_PROP_KERNEL_UNIT_LENGTH: D2D1_SPOTDIFFUSE_PROP;