Instantiating Shader Definitions and the ProgID
 
 
 

Shader definitions can be instantiated with the CreateShaderFromProgID command and connected with the SIConnectShaderToCnxPoint command. The ShaderDef.ProgID or ShaderDef::GetProgID uniquely identifies the shader definition in Softimage using four components:

"ParserName.ClassName.MajorVersion.MinorVersion"