GActionGroupInterface.queryAction

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
struct GActionGroupInterface
extern (C)
int function(GActionGroup* actionGroup, char* actionName, int* enabled, GVariantType** parameterType, GVariantType** stateType, GVariant** stateHint, GVariant** state) queryAction;

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