Question

I m trying to build an extensible program where users, among other things, can build their own shader effects.

Google searching got me this far;

class Test(ShaderEffect):
    inputProperty = ShaderEffect.RegisterPixelShaderSamplerProperty("Input", type(Test()), 0)

But I still get the error;

TypeError: cannot access protected member RegisterPixelShaderSamplerProperty without a python subclass of ShaderEffect.

Any help would be greatly appreciated.

The best source on the net I could find is linked here

Answer 1

You will need to use Reflection to access protected memeber of .NET class - you don t have a Python subclass where you can access such member directly.

Try somethink like this (I have t tested it):

inputPropertyType = ShaderEffect.GetType().GetMember(
     RegisterPixelShaderSamplerProperty ,
    BindingFlags.Instance | BindingFlags.NonPublic)
inputProperty = inputPropertyType.GetValue(ShaderEffect, None)
inputProperty("Input", type(Test()), 0)

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