How can I create an instance of an object using a class reference, and
ensure that the constructor is executed?
In this code example, the constructor of TMyClass will not be called:
type
TMyClass = class(TObject)
MyStrings: TStrings;
constructor Create; virtual;
end;
constructor TMyClass.Create;
begin
MyStrings := ...
i have a class which looks like this
public class Process_Items
{
String Process_Name;
int Process_ID;
//String Process_Title;
public string ProcessName
{
get { return Process_Name; }
set { this.Process_Name = value; }
}
public int ProcessID
{
get { return Process_ID; }
set...
Hello,
C# 2008
I have developed the class below. I have to get the balance from the web server. Once that is done it will call back into my main app with the result.
However, sometime the web server fails for some unknown reason. Could be high volume of traffic or something else. However, I haven't implemented any exception handling i...
I know how to manipulate a textbox on a Form, from a Form, but I do not know how to manipulate a textbox from a CLASS in it's own file to a Form.
Can someone explain to me how I would write a Delegate & a CallBack so I could simply call a method from a Class in a different file, and change stuff on a textbox from a different form?
I do...
Background:
I have a win app and a web app and a
shared class library.
In my class lib I have some static
methods for SQL queries which pick up
my SQL connection string
I store my SQL connection string in a
Session variable since it is set at
log in time where it is determined
which database to use.
My class lib cannot access my sessio...
I have this code:
function Item(id, itemType, itemData, itemCategoryId, itemRank) {
this.id = id;
this.itemType = itemType;
this.itemData = itemData;
this.itemCategoryId = itemCategoryId;
this.itemRank = itemRank;
}
function Category(id) {
this.id = id;
}
And i want to write a function for the Item class wh...
I have an extremely hard time figurering out how classes needs to communicate with eachother. In a current project I am doing, many classes have become so deeprooted that I have begun to make Singletons and static fields to get around(from what I get this is a bad idea).
Its hard to express my problem and its like other programmers dont...
Stackers,
I apologize for this question in advance. It must be a FAQ, but I don't seem to be able to find the answer.
When creating a simple object hierarchy in python, I'd like to be able to invoke methods of the parent class from a derived class. In Perl and Java, there is a keyword for this (super). In Perl, I might do this:
pa...
Is the only way to assign $systime a value of a built-in-functions, is through a method?
class Test{
private $systime;
public function get_systime(){
$this->systime = time();
}
}
Right off i would think something like this right?:
class Test{
private $systime = time();
public function get_systime(){
...
First things first, here is a little snippet code to help explain my problem:
<?php
class foo {
public $title;
__construct{
echo "<html>\n";
echo "<head>\n";
echo "<title>".$this->title."</title>\n";
echo "</head>\n";
echo "<body>\n";
}
/**
*
* I get $title from index....
The following is a simple example of an enum which defines the state of an object and a class which shows the implementation of this enum.
public enum StatusEnum
{
Clean = 0,
Dirty = 1,
New = 2,
Deleted = 3,
Purged = 4
}
public class Example_Class
{
private StatusEnum _Status = StatusEnum.New;
private long...
Hi all,
in my workpsace i do have SVN checkout classes and SVN export classes.
I seperate the classes into two working sets. The exported classes are members of another feature based project and i am not allowed to change this classes inside my workspace.
When i want to fix a bug or implement new features i want to be sure, that the ex...
Duplicate of: http://stackoverflow.com/questions/546403/whats-the-best-way-to-store-class-variables-in-php
For some time I've been having this discussion with a co-worker on how should you store attributes within a PHP class.
So which one do you think it should be used. Something like this:
Class test{
public $attr1;
publ...
Sorry if this question seems trivial to many here.
In a C++ code there is something as below:
class Foo
{
public:
static int bands;
...
...
private:
...
...
}//class definition ends
int Foo::bands; //Note: here its not initialized to any value!
Why is the above statement needed again when 'bands' is once declared in...
I'm trying to get an if statment that says if my Points Array at "i" (Initialized in a For Loop) is equal to the X and Y of a Circle (Which is set to smallcircle.X and smallcircle.Y). I know what I need to do in the if statment, but I can't get the if statment itself to work. What is the syntax for that?
Currently Have:
if (centerPoint...
hi all,
I am dealing with a race condition, I believe, in my JAVA GUI.
I have some methods that create an "anonymous method" inside an anonymous class like this:
synchronized foo()
{
someMethod(new TimerTask()
{
public synchronized run()
{
//stuff
}
};
}
QUESTION: is that...
Hi everyone!
I'm using Microsoft Reports (rdlc), and I need to create report with subreport. As a data source I created two Object Classes, PositionObject and PositionSubElementObject. PositionObject is data source for the main report, and PositionSubElementObject is a data source for the subreport.
When I run this two reports separatel...
Say i have these two classes
public class Container
{
public string name { get; set; }
public Inner Inner { get; set; }
}
public class Inner
{
public string text { get; set; }
public Inner2 Innert2 { get; set; }
}
public class Inner2 {}
How would i go, given an instance of ...
In my asp.net web app. I have three classes (inside app_code folder) under namespace WPP which are as follows:
1. wpp_Common
2. wpp_SQL
3. wpp_Admin
All these classes contains different functions which I am using in my application to accomplish different tasks. Such as, wpp_common contains a function which make my URL's SEO'd, and wpp...
I need to deploy only the referenced classes in a very limited environment as A data carousel for Interactive TV. Bandwidth is expensive and .jar files are not supported.
...