Object Typecasting in C sharp

[Bottlenecked]

Hello friend,

I need your help to know about the Object Typecasting of C sharp. According to my knowledge the typecasting means the conversion of one datatype value into the another datatype. But I am not getting the meaning of Object Typecasting. I have searched many websites for this but didn't get proper details. If you have knowledge about the 'Object Typecasting' in C sharp, then please let me know that. I am waiting for your reply.

[Praetor]

Hi friend,

The object Typecasting in C sharp divided into following categories:

• User-defined conversions
• Implicit conversions
• Conversions with helper classes
• Explicit conversions (casts)

[Katty]

In the implicit Object Typecasting in C sharp doesn't have any special syntax . This is because the conversion is type safe and which doesn't leads to any data loss. But this opposite in explicit object typecasting, i.t it needs 'cast operator'. In this type of casting destination and source variables are compatible. But disadvantage of this type casting is that it leads to the loss of data. This is because the smaller size of destination datatype than source datatype.

[kelfro]

Hi,

I suggest you to refer following example of 'Object Typecasting':

#include <iostream>

using namespace std;

class CDummy1
 {
    float i7,j7;
};

class CAddition1 {
	int x7,y7;
  public:
	CAddition (int a7, int b7) { x7=a7; y7=b7; }
	int result() { return x7+y7;}
};

int main () {
  CDummy1 d2;
  CAddition * padd;
  padd = (CAddition*) &d;
  cout << padd->result();
  return 0;
}

[Zecho]

The Object Typecasting is divided into up-casting and down casting. The up- casting occurs when we trying to assign the higher data type value to the lower data tape variable. While the down-casting occurs when we trying to assign the lower data type value to the higher data type variable. It is also possible to make down-casting for class objects in C sharp programming.

[Reegan]

Explicit Object Typecasting is a type conversion and which is explicitly defined in a program. Implicit Object Typecasting can be created when the value to be stored can fit into the variable without any truncation or any rounded off. If a Object Typecasting cannot be created without a risk of losing information, the compiler requires that you perform an explicit conversion, which is called a cast.