1/50 Project Management. 2/50 StumbleUpon 3/50 Overview Customize? Why, what, how?.NET Framework...

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Project Management

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StumbleUpon

http://www.stumbleupon.com/

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Overview

Customize? Why, what, how?.NET Framework overview & fundamentals

Class libraries, namespaces, classesDeclaring and using variablesDefining and using functions

VS Projects & Solutions and folder/file organizationLayered Applications

Business Logic Layer & TestingPresentation Layer (Windows Forms)

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Why customize ArcGIS ? Workflow.

Software does not do EXACTLY what you want to do “out-of-the-box” but has the programming infrastructure required that allows you to customize it to do exactly what you want

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Extending ArcGIS, Add-ins, C#, & ArcObjects

Adding toolbars, buttons, tools, etc.ArcGIS 10.1 provides tools for making Python Add-insArcGIS 10.0 did not (Free webinar)

ArcObjects SDK for the Microsoft .NET Framework will be covered in GIS Customization IIArcObjects is more comprehensive than Python

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ArcEngine

Build your own GIS-enabled appDoes not require ArcGIS but does require ArcEngine runtime ($)Not coveredin Customizationcourses

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Open Source GIS components

http://sharpmap.codeplex.com/

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Overview





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.NET Framework Overview

CLS (Common Language Specification)C#, VB.NET, Managed C++, J#

Framework Class Libraries

CLR (Common Language Runtime)

Windows OSWin32, IIS, MSMQ

Compilers

CIL (Common Intermediate Language)

UIWeb FormWinForm

WPF

ServicesWCF

WorkFlow

Data AccessADO.NET

Entity FramworkLINQ to SQL

Framework Base Classes & CTS (Common Type System)IO, Collections, Security, Threading, etc.

CLS specifes rules .NETlanguages must follow to create.NET code that will reference the.NET Framework Class Libraries(.NET DLL Assemblies) and.NET CTS.

.NET compilers will compile

.NET code into CIL stored in

.NET assemblies (EXE or DLL)

.NET CLR will perform JIT (Just-In-Time compilation) tonative machine code and ensure that the .NET assembly runs properly and securely.

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System.Console.WriteLine() example

mscorlib is requiredby CLR so no referenceis required in code

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Compiling and running

The 4.0 .NETFramework mustbe installed on thecomputer that willrun a 4.0 Assembly(EXE)

Use C# compilerto create hw.exe

Running assemblyinvokes JIT by CLRand runs app

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using keyword for Namespaces

static keyword means you don’t need an instance of the class Program to call the function Main.

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Class libraries, namespaces, classesClass Libraries are stored ina .NET assembly (DLL)

Namespaces are a way ofnaming a group of relatedclasses and other types.

Namespaces can be nested.

Namespaceicon

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Declaring and using variables

Variable declaration syntax: [scope] [static] type name;

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Variable Scope


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Scope Review

public

internal (default)

protected

privateEntire solution

Assembly only

Derived classes

Class only

More …

More …

More …

More …

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Types


intlongdoublebooletc.

stringarrayetc.

.NET Classes

Classes youcreate.

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Defining and calling functions

Syntax for defining functions: [scope] [static] return_type name ([params]){ // C# statements} 0 or more params are declared

like variables and comma separated.

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Scope

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Command-line args for Console applications

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C# Compiler & command-line args

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Overview





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Projects …

… because any application worth building usually has more than one .cs file and other files (e.g. images, cursors, etc.)

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Solutions …

… because Projects must be part of a Solution

Projects (.csproj)*

Visual Studio Solution (.sln)

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Folder structure for application development

Download …

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Creating an app dev folder

- Move files up one level into src - Delete solution folder

- Create a New Project … Blank Solution, in src- Save - Exit Visual Studio

Solutions can include code from other CLS languages (e.g. VB.NET)

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Adding a Project to a Solution

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StartUp Project

StartUp Project is the first project to run when the application is run

Class Library Projects cannot be set as the StartUp Project

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Overview





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Presentation Layer

Layered Applications

Business Logic Layer

Data

Data Access Layer

BLLBusiness objects & logic

DALRead/Write data from/toa database

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Steps to building a layered application

1. Get requirements for application feature(s)2. Decide on a presentation layer and sketch it out

(no code)3. Create the …

Data access layer and tests, debugBusiness logic layer and tests, debugPresentation layer and connect to business layer, debug

4. Test the application5. Create installer6. Deploy application to users7. Repeat until all application features are complete

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Creating a Business Layer

Add Class Library Project to SolutionSuffix name with BLL (e.g. IssueTrackerBLL)Add classes to represent the business objectsAdd properties and methods to these classes to represent the business data and processes respectively

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Testing a Business Layer

Create a Test Project

Common to have one Test Project per application Project

Suffix Test Project name with “Tests”

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Adding a Test

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Editing the TestMethod

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Running the test – no debugging

With cursor in test method …

Or right-click and use TestDriven.NET

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Running the test – with debugging

With cursor in test method …

Or right-click and use TestDriven.NET

Need Breakpoint(F9 to toggle)

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Test results

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Overview





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Building a Presentation Layer (UI)

Add UI Application Project that satisfies the requirements

WindowsConsole ApplicationWindows Forms ApplicationWPF Application

WebASP.NET Web ApplicationASP.NET MVC ApplicationSilverlight Application

Suffix Project name with UIThis is the StartUp Project

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Windows Forms Application

A Form is a container for UI controlsCommon for starting form to have name MainForm

Drag & Drop from Toolbox

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Naming child controls

Give child control names prefixesbtn = Buttontxt = TextBoxlbl = Labellst = ListBoxcbo = ComboBoxrdo = RadioButtonetc.

Adding code to controls … Double-click control or code by hand

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“Connecting” the UI and BLL

Add Reference in UI to BLL Project

Add using to UI code(MainForm.cs in this example)

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Example: Accessing BLL from UI

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Links for VS 2010 and C#

“Quick Tour” of the VS 2010 IDE

Beginner Developer Learning Centre

Csharp-station.com tutorial

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Keys to remember

F1 – Context sensitive Help (If cursor is on keyword, help on keyword provided)

F6 – Build code (compile) without runningF5 – Build code (compile) and runF11 – Step through code, into called functionsF10 – Step through code, not into called

functionsShift-F5 – Stop running code F9 – Toggle Breakpoint at current statement

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Overview





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