c# - Flipping a boolean value -


i have small c# problem i'm sure must easy solve, can't life of me figure out what's wrong.

i have debug mode in game turned on when boolean value debugmode set true. variable held within gameinfo object, referenced in gameinfo class. want make can toggle debug mode on , off pressing "i" key on keyboard. here's tried:

if (keyboardstate.iskeydown(keys.i))       gameinfo.gameinfo.debugmode = !gameinfo.gameinfo.debugmode;

the problem nothing happens when press "i". if following able turn debug mode off know idea works:

if (keyboardstate.iskeydown(keys.i))           gameinfo.gameinfo.debugmode = false;

does know i'm doing wrong? can of course solve using couple of if statements turn true false , vice versa, long-winded compared simple statement above.

thanks lot can offer :)

this require have flag, prevent key event being handled multiple times @ once.

bool keypressregistered = false;  ...  if (keyboardstate.iskeydown(keys.i) && !keypressregistered) {     keypressregistered = true;     gameinfo.gameinfo.debugmode = !gameinfo.gameinfo.debugmode; }  ...  keypressregistered = !(keypressregistered && keyboardstate.iskeyup(keys.i));

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