c_gtk_drag_source_set

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GtkWidget* widget, GdkModifierType startButtonMask, GtkTargetEntry* targets, gint nTargets, GdkDragAction actions) c_gtk_drag_source_set;

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