LCD Horizontal bargraph like one black rectangle

Projects Programming
7

Thank You Mr. Datman

#include <LiquidCrystal.h>    

LiquidCrystal lcd(2, 3, 4, 5, 6, 7); //initialize the library, numbers of the interface pins

  int analogInput = 1;     //analog pin A1
  float VoltageOut = 0.0;
  float VoltageIn = 0.0;
  int refresh = 50;        //refresh rate
  int i = 0;               //variable used for clearing our byte 'graph'
  int value = 0;           //variable to store value
  byte graph[8] = 
    {
      B11111,
      B11111,
      B11111,
      B11111,
      B11111,
      B11111,
      B11111,
      B11111,
    };

void setup()
{
  pinMode(analogInput, INPUT);  //setting analog pin mode to input
  
  lcd.begin(16, 2);             //setting up the LCD screens rows and colums
  lcd.print("Voltage=");        
}

void loop(){
  value = analogRead(analogInput);  //reading the value on A1

  //VoltageOut = (value * 5.0) / 1024.0;
  VoltageIn = (value * 5.0) / 1024.0; 
  //VoltageOut / (R2/(R1+R2));  

  lcd.setCursor(8, 0);               //printing the result to the LCD display
  lcd.print(VoltageIn);
  lcd.print(" V");
  delay(refresh);                    //refreshing the screen
  
  voltmetergraph();                  //calling my function voltmetergraph 
}

void voltmetergraph()
  { 
    lcd.setCursor(0,2);
if (VoltageIn >= 0.3125) lcd.write(255); else lcd.print(' ');

   
   
   
    
    lcd.setCursor(1, 2);
    if (VoltageIn >= 0.625) lcd.write(255); else lcd.print(' ');

    
   
    if (VoltageIn >= .9375)
    
   
    lcd.setCursor(2, 2);
    if (VoltageIn >= 1.25) lcd.write(255); else lcd.print(' ');
    
  
    
    
    lcd.setCursor(3, 2);
    if (VoltageIn >= 1.25) lcd.write(255); else lcd.print(' '); 


    lcd.setCursor(4, 2);
   if (VoltageIn >= 1.5625) lcd.write(255); else lcd.print(' ');
    
   
   
    lcd.setCursor(5, 2);
   if (VoltageIn >= 1.875) lcd.write(255); else lcd.print(' ');
   
    
    lcd.setCursor(5, 2);
    
    
   if (VoltageIn >= 2.1875) lcd.write(255); else lcd.print(' ');
    
    
    lcd.setCursor(6, 2);
   
    
    if (VoltageIn >= 2.5) lcd.write(255); else lcd.print(' ');
    
   
    lcd.setCursor(7, 2);
    
    if (VoltageIn >= 2.8125) lcd.write(255); else lcd.print(' ');
    
    lcd.setCursor(8, 2);
   
    
   if (VoltageIn >= 3.125) lcd.write(255); else lcd.print(' ');
   
    lcd.setCursor(9, 2);
    
   
    
   if (VoltageIn >= 3.4375) lcd.write(255); else lcd.print(' ');
   
    
    lcd.setCursor(10, 2);
    
   
    
   if (VoltageIn >= 3.75) lcd.write(255); else lcd.print(' ');
    
   
    lcd.setCursor(11, 2);
    
   
    
   if (VoltageIn >= 4.0625) lcd.write(255); else lcd.print(' ');
    
    
    lcd.setCursor(12, 2);
   
    
    
   if (VoltageIn >= 4.375) lcd.write(255); else lcd.print(' ');
    
    
    lcd.setCursor(13, 2);
    
    
    
    if (VoltageIn >= 4.6875) lcd.write(255); else lcd.print(' ');
    
    
    lcd.setCursor(14, 2);
   
    
    if (VoltageIn >= 4.99) lcd.write(255); else lcd.print(' ');
   
    
    
    lcd.setCursor(15, 2);
   
   if (VoltageIn >= 5.00) lcd.write(255); else lcd.print(' ');
    
  }

Not working right for me.
I like to see ONLY ONE sign in the right place on the lcd like indicator pointer multimeter [ - ] !!!!!!!!!
and not [------- ]
Cannot delete unwanted left-hand boxes [-------- ]
May be refresh or update display made scale slow and my idea is not real in HD44780 lcd