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[A5] Possible to make alerts?
tariel36
Member #14,214
April 2012

Hello, I wonder if it is possible to make windows-like error alerts in Allegro. I've found al_set_errno(); and al_get_errno(); functions in manula but I'm not sure how to use it. (Till now I used to report errors in console, but now I wanted to get rid of it).

Arthur Kalliokoski
Second in Command
February 2005
avatar

For most errors, just putting a string into a dialog box will suffice, e.g.

#SelectExpand
1 if(!al_init()) 2 { 3 al_show_native_message_box(0, "Error", "Failed to initialize Allegro", "", NULL, 0); 4 return 1; 5 } 6 . 7 . 8 . 9 display = al_create_display(display_width, display_height); 10 if (!display) 11 { 12 al_show_native_message_box(0, "Error", "Couldn't create display", "", NULL, 0); 13 return 1; 14 } 15 . 16 . 17 . 18 faceimg = al_load_bitmap("face.tga"); 19 if(!faceimg) 20 { 21 al_show_native_message_box(display, "Error", "Unable to load \"face.tga\"", "", NULL, 0); 22 return 1; 23 }

If you want to get specific strings such as EWOULDBLOCK etc., you'd have to reference those strings manually.

They all watch too much MSNBC... they get ideas.

tariel36
Member #14,214
April 2012

Thanks for fast reply! It should do the job :)

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