libglade_gtk-sharp_custom_widgets.so.config

// with full path !!!
[assemblys]
assembly_runtime_path="your runtime assembly containing custom C# widgets"
assembly_design_path="optional your design assembly containing custom C# editor"
assembly_reference0="needed reference assembly at design-time"
assembly_reference1="needed reference assembly at design-time"
assembly_reference.....

[runtime]
runtime_namespace="your runtime-assembly namespace"

[design]
design_namespace="your design-time-assembly namespace"

[register]
gtyperegister_static_class="GTypeRegister"
gtyperegister_static_function="Register"