How do I create a Delegate/MulticastDelegate?
C# requires only a single parameter for delegates: the method address. Unlike other languages, where the programmer must specify an object reference and the method to invoke, C# can infer both pieces of information by just specifying the method’s name. For example, let’s use System.Threading.ThreadStart: Foo MyFoo = new Foo(); [...]
How do I convert a string to an int in C#?
Here’s an example: using System;
class StringToInt
{
public static void Main()
{
String s = "105";
int x = Convert.ToInt32(s);
Console.WriteLine(x);
}
}
How do you directly call a native function exported from a DLL?
Here’s a quick example of the DllImport attribute in action: using System.Runtime.InteropServices;
class C
{
[ DllImport("user32.dll")]
public static extern int MessageBoxA(int h, string [...]
Why do I get a security exception when I try to run my C# app?
Some security exceptions are thrown if you are working on a network share. There are some parts of the frameworks that will not run if being run off a share (roaming profile, mapped drives, etc.). To see if this is what’s [...]
How do you show which page you’re on (in a menu)?
If PHP is not available to you, you could use the cascade. Put an id in your body tags and an id in each of your ‘a’ tags for the links.
Let’s say on page one you have this:
CSS
….
page one
…
In your CSS, you can have [...]
How do I move the list bullet to the left/right?
CSS1 has no properties for setting margins or padding around the bullet of a list item and in most cases the position of the bullet is browser-dependent. This is especially true since most browsers disagreed on whether a bullet is found within the margin or padding [...]
Can you use someone else’s Style Sheet without permission?
This is a somewhat fuzzy issue. As with HTML tags, style sheet information is given using a special language syntax. Use of the language is not copyrighted, and the syntax itself does not convey any content – only rendering information.
It is not a great idea to reference [...]
What is the percentage value in ‘font-size’ relative to?
It is relative to the parent element’s font-size. For example, if the style sheet says:
H1 {font-size: 20pt;}
SUP {font-size: 80%;}
…then a inside an will have a font-size of 80% times 20pt, or 16pt.
What is wrong with font-family: “Verdana, Arial, Helvetica”?
The quotes. This is actually a list [...]
Border around a table?
Try the following:
.tblboda {
border-width: 1px;
border-style: solid;
border-color: #CCCCCC;
}
/*color, thickness and style can be altered*/
You put this style declaration either in
an external stylesheet, or you can stuff it in
the
section, like:
(here you can place your styles)
and apply it to the table as follows:
Content text and more content
That should give you a grey thin border [...]
What is value?
Value is a ‘physical’ characteristic of the property. Property declares what should be formatted, e.g. FONT while value suggests how the property should be formatted, e.g. 12pt. By setting the value 12pt to the property FONT it is suggested that the formatted text be displayed in a 12 point font. There must always [...]
What security measures exist for .NET Remoting in System.Runtime.Remoting?
None. Security should be taken care of at the application level. Cryptography and other security techniques can be applied at application or server level.
What is a formatter?
A formatter is an object that is responsible for encoding and serializing data into messages on one end, and deserializing and [...]
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