If statement conditions are standard boolean C# with Example

expressions and values 
The following statement 
if (conditionA && conditionB && conditionC) //... 
is exactly equivalent to 
bool conditions = conditionA && conditionB && conditionC; 
if (conditions) // ... 
in other words, the conditions inside the "if" statement just form an ordinary Boolean expression. 
A common mistake when writing conditional statements is to explicitly compare to true and false: 
 

if (conditionA == true && conditionB == false && conditionC == true) // ... 
This can be rewritten as 
if (conditionA && !conditionB && conditionC)