.\" Automatically generated by Pandoc 2.2.1 .\" .TH "al_set_d3d_device_release_callback" "3alleg5" "" "Allegro reference manual" "" .hy .SH NAME .PP al_set_d3d_device_release_callback \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ void\ al_set_d3d_device_release_callback( \ \ \ void\ (*callback)(ALLEGRO_DISPLAY\ *display)) \f[] .fi .SH DESCRIPTION .PP The callback will be called whenever a D3D device is reset (minimize, toggle fullscreen window, etc). In the callback you should release any d3d resources you have created yourself. The callback receives the affected display as a parameter. .PP Pass NULL to disable the callback. .SH SINCE .PP 5.1.0