How to use the function keys in C (F1, F2,...) to manipulate?-CodePudding

Because I use is vs2017, no BIOS. H this header file, cannot use bioskey, inquire of bosses, what method to be a management system, at the end of this term need f1 f2 f3... To manipulate

CodePudding user response:

Fyi:

 # include & lt; Conio. H> 
#include  
Int main () {
int k; 

While (1) {
If (kbhit ()) {
K=getch (); 
If (0==k | | 0 xe0-0xfc==k) k=k<8 | getch (); 
If==k (27) break;//press the Esc key to exit the 
Cprintf (" \ r \ n % 4 x \ r \ n ", k); 
} 
Sleep (200); 
Cprintf (". "); 
} 
return 0; 
}

CodePudding user response:

The sample program, deal only with numeric keys, alphabetic keys, as well as the F1, F2, only supplies the reference:

 # include & lt; Stdio. H> 
#include  
#include  

Int main (void) 
{
Int c; 

While (1) 
{
C=getch (); 
If (c==3) break; 
If (isalnum (c)) printf (" % \ n "c, c); 

If (c==0) 
{
C=getch (); 
If (c==59) printf (" F1 \ n "); 
If (c==60) printf (" F2 \ n "); 
If (c==61) printf (" F3 \ n "); 
If (c==62) printf (" F4 \ n "); 
If (c==63) printf (" F5 \ n "); 
If (c==64) printf (" F6 \ n "); 
If (c==65) printf (" F7 \ n "); 
If (c==66) printf (" F8 \ n "); 
If (c==67) printf (" F9 \ n "); 
If (c==68) printf (" F10 \ n "); 
} 

If (c==224) 
{
C=getch (); 
If (c==133) printf (" F11 \ n "); 
If (c==134) printf (" F12 \ n "); 
} 
} 
return 0; 
}