- g_signal_connect( ( gpointer )b_export, "clicked", G_CALLBACK( OnExportClicked ), NULL );
- g_signal_connect( ( gpointer )b_addmaterial, "clicked", G_CALLBACK( OnAddMaterial ), NULL );
- g_signal_connect( ( gpointer )b_removematerial, "clicked", G_CALLBACK( OnRemoveMaterial ), NULL );
- g_signal_connect( ( gpointer )t_exportmaterials, "clicked", G_CALLBACK( OnExportMatClicked ), NULL );
+ b_export.connect( "clicked", G_CALLBACK( OnExportClicked ), NULL );
+ b_addmaterial.connect( "clicked", G_CALLBACK( OnAddMaterial ), NULL );
+ b_removematerial.connect( "clicked", G_CALLBACK( OnRemoveMaterial ), NULL );
+ t_exportmaterials.connect( "clicked", G_CALLBACK( OnExportMatClicked ), NULL );