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Posts Tagged ‘Code’

Microsoft has ramped up the security in their latest operating system – Windows Vista, which means that developers now have to pay more attention to certain security constraints imposed by the operating system when developing applications.   Those of you readers who have read my prior posts on User Access Control in Vista (and the further reading [...]

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Pass by Reference

Contrary to the beliefs of some developers, .Net reference types do not need to be passed as reference parameters (ref in C#, ByRef in VB) when a method is going to alter the contents of an object instance.
Passing a object reference by reference parameter just means the method can reassign the reference to a new [...]

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I came across a problem when launching any PPC emulator through Visual Studio’s Device Emulator Manager – I’d receive an error of the sort: Failed to open XML parser COM object.
After digging around Google for a while I found the problem was related to a missing installation of MSXML Parser Version 3 (why MS [...]

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Just because it’s good to know…..

Keyword

Class

Range

bool

System.Boolean

true and false

byte

System.Byte

0 to 255

sbyte

System.SByte

-128 to 127

short

System.Int16

-32768 to 32767

ushort

System.Uint16

0 to 65535

int

System.Int32

-2,147,483,648 to 2,147,483,647

uint

System.UInt32

0 to 4,294,967,295

long

System.Int64

-9,223,372,036,854,775,808 to
9,223,372,036,854,775,807

ulong

System.UInt64

0 to 18,446,744,073,709,551,615

decimal

System.Decimal

-79,228,162,514,264,337,593,543,950,335
to 79,228,162,514,264,337,593,543,950,335

double

System.Double

-1.79769313486232e308 to
1.79769313486232e308

float

System.Single

-3.402823e38 to 3.402823e38

char

System.Char

0 to 65535

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Overview

This post serves as a primer for software developers interested in learning about Code Access Security (CAS) in .NET. The following information is not exhaustive of the subject matter and contains the basic overview of Code-Access-Security. Those interested in this subject are encouraged to read further.

The following articles cover code security and are [...]

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Useful to know – to select items in a ListBox with a right mouse click wire up the following code to the MouseDown event:
private void LB_MouseDown(object sender, MouseEventArgs e)
{
// Select item if right click.
if (MouseButtons.Right == e.Button)
{
Point pt = new Point(e.X, e.Y);
[...]

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Code Snippets

Like the code snippets in Visual Studio 2005? Want some more?  Check out http://msdn.microsoft.com/vstudio/downloads/codesnippets/default.aspx

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To some I may be stating the obvious, but today I was happy to find out that C# lets you set a different access level on the get and set for a property. The example below will help to illustrate what I’m talking about:
public DateTime UpdateDate
{
get
{
[...]

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I am developing a simple .NET remoting server using an HTTP channel and SOAP formatter, and ran into a problem earlier with invalid SOAP actions.  When invoking a method on a remoted object I was getting the following error message:
Unhandled Exception: System.Runtime.Remoting.RemotingException:  Invalid SOAPAction specified: blah blah blah
After trawling the web for an hour [...]

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I have been fighting with the national weather web service, provided by the National Oceanic and Atmospheric Administration, today.  Like a lot of developers, who like to make their web sites fancy with the current weather forecast, I have been developing a component for the web site I am working on.
NOAA seems to be [...]

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