what is an indexer in c net
Tài liệu What Is an Indexer? ppt
Ngày tải lên :
15/12/2013, 00:15
... bits is an int, what we'd like to be able to write to access the bit
at index 6 is:
bits[6]
What Is an Indexer?
An indexer is a smart array in exactly the same way that a property is ... important differences between indexers and arrays:
•
Indexers can use non-numeric subscripts, whereas arrays can use only integer
subscripts:
public int this [ string name ] { } // okay
And, ... use an indexer in a combined read/write context. In this case, the get
and set accessors are used. For example, consider the following statement:
bits[6] ^= true;
This is automatically translated...
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Tài liệu What Is an Array? docx
Ngày tải lên :
15/12/2013, 00:15
... method called Clone, which
can be used to create an entire array and copy it in one action:
int[] pins = { 9, 3, 7, 2 };
int[] copy = (int[])pins.Clone();
NOTE
The Clone method actually ... live in a contiguous block of memory and are accessed by using an
integer index (unlike fields in a struct or class, which are accessed by name).
Declaring Array Variables
You declare an array ...
The size of an array instance does not have to be a constant; it can be calculated at run
time, as shown in this example:
int size = int.Parse(Console.ReadLine());
int[] pins = new int[size];...
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Questions to .NET and Programming in C#
Ngày tải lên :
21/08/2012, 15:55
... Which of the following statements are true with respect to destructors? [2.0]
a) Destructors can be invoked
explicitly.
c) When an instance is
destructed, the destructors
in an inheritance ... explicitly or implicitly.
b) Static constructors can have
accessibility modifiers.
e) Static constructors are called
when the class is loaded.
c) Static constructors cannot
be called ...
when the object is accessed.
c) A static constructor can have
public as a accessibility
modifiers
74. class A
{
public static int X = B.Y + 1;
}
class B
{
public static int Y = A.X...
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Questions to .NET and Programming in C#
Ngày tải lên :
29/08/2012, 16:37
... to an
int data type.
203. Which of the following is the correct syntax for declaring an indexer. [1.0]
a)
protected int this[int var1]
c) public int this(int
var1)
b) public int classname[int ...
object myObject
=
System.Activator .C
reatInstance
(myObjectType)
b) By using the System.Reflection.
CreateInstance() method to create
an instance of object in the following
manner. ... delegate
and an interface?
[2.0]
a) Delegates can be used without the
object reference but interface cannot be.
c) Unlike interfaces
delegates remain in
memory forever.
b) In an interface...
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Question Bank Introduction to .NET and Programming in C#
Ngày tải lên :
09/04/2013, 09:10
... following statements are true with respect to destructors. [2.0]
a) Destructors can be invoked
explicitly.
c) When an instance is
destructed, the destructors
in an inheritance chain are
called ... static constructor for a
class is called automatically
when the object is accessed.
c) A static constructor can have
public as a accessibility
modifiers
74. class A
{
public static int X ... False
25. Access Modifiers for variables in C# can be the following (Select all
that apply)
[1.0]
a) Public c) Private
b) Protected d) Public protected
26. In C# , an underscore is allowed as an initial...
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4-Tier Architecture in ASP.NET with C#
Ngày tải lên :
17/10/2013, 14:15
...
objects for enhancements. Change in the object definition can be done without touching the entire Business Access
Layers
Let me explain you step-wise process of creatioin of 4-Tier architecture ...
objects for enhancements. Change in the object definition can be done without touching the entire Business Access
Layers
Let me explain you step-wise process of creatioin of 4-Tier architecture ... public int Update(Person person)
{
SqlConnection conn = new SqlConnection(connStr);
conn.Open();
SqlCommand dCmd = new SqlCommand("UpdateData", conn);
dCmd.CommandType = CommandType.StoredProcedure;
...
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Pro .NET 2.0 Windows Forms and Custom Controls in C#
Ngày tải lên :
19/10/2013, 21:15
... Brooks-Copony
Production Editor: Janet Vail
Compositor: Susan Glinert
Proofreader: Nancy Sixsmith
Indexer: Michael Brinkman
Artist: Kinetic Publishing Services, LLC
Interior Designer: Van Winkle ... Mills, Dominic Shakeshaft, Jim Sumser
Associate Publisher: Grace Wong
Project Manager: Beckie Brand
Copy Edit Manager: Nicole LeClerc
Copy Editor: Candace English
Assistant Production Director: Kari ... Matthew MacDonald
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording, or by any information...
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Gián án Ve trang tri Tim hieu kieu chu in hoa net thanh net dam
Ngày tải lên :
01/12/2013, 06:11
... chiều cao, ngang c a dòng
chữ trong tờ giấy
2.X c định chiều rộng c a từng con
chữ và khoảng c ch giữa c c con
chữ.
3.Đánh dấu và ph c nét từng con chữ.
4.Kẻ chữ.
5.Vẽ màu cho c c con chữ và ...
Kiểu chữ in hoa nét thanh nét
đậm và kiểu chữ in hoa nét đều
là hai “kiểu chữ c bản” từ hai
kiểu chữ này c thể sáng tạo ra
nhiều kiểu chữ kh c nhau.
Những kiểu chữ đư c trang trí ... h c, phòng h c, khẩu
hiệu, sách báo truyện với nhiều
kiểu dáng chữ kh c nhau.
- Những nét đưa lên, nét đưa ngang là nét thanh.
- C c nét kéo xuống (nhấn mạnh) là nét đậm.
1.X c định chiều...
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