MrmRegisterClass — Saves the information needed for MRM to access the widget creation function for user‐defined widgets #include <Mrm/MrmPublic.h> Cardinal MrmRegisterClass( MrmType class_code, String class_name, String create_name, Widget (*create_proc) (), WidgetClass class_record); The MrmRegisterClass function allows MRM to access user‐defined widget classes. This function registers the necessary information for MRM to create widgets of this class. You must call MrmRegisterClass prior to fetching any user‐defined class widget. MrmRegisterClass saves the information needed to access the widget creation function and to do type conversion of argument lists by using the information in MRM databases. class_code This argument is ignored; it is present for compatibility with previous releases. class_name This argument is ignored; it is present for compatibility with previous releases. create_name Specifies the case‐sensitive name of the low‐level widget creation function for the class. An example from the Motif Toolkit is XmCreateLabel. Arguments are parent_widget, name, override_arglist, and override_argcount. For user‐defined widgets, create_name is the creation procedure in the UIL that defines this widget. create_proc Specifies the address of the creation function that you named in create_name. class_record Specifies a pointer to the class record. ‐2‐ This function returns one of the following status return constants: MrmSUCCESS The function executed successfully. MrmFAILURE The function failed.