c sharp programming examples pdf

... ExcludeClip to clip regions // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles Rectangle rect1 = new Rectangle(20, 20, 60, 80); Rectangle ... SetClip, ResetClip, and IntersectClip methods // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles and regions Rectangle rect1 = new Rectangle(20, ... the context menu click event handlers Listing 6.17 Menu item click event handlers private void CircleMenu_Click(object sender, // Create a Shape object and call // the GetRectRegion method

Ngày tải lên: 12/08/2014, 19:20

... 11.11 PaperSourceKind members Member Description AutomaticFeed Automatically fed paper Cassette A paper cassette Custom A printer-specific paper source Envelope... PrintDocument object handles printing ... PrintGraphicsItems_Click method is a menu click event handler that creates a PrintDocument object, sets its PrintPage event, and calls the Print method. The second method, PrintGraphicsItemsHandler, ... ViewImage_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Call OpenFileDialog, which allows us to browse // images OpenFileDialog

Ngày tải lên: 12/08/2014, 19:20

... executed)
when
that
event
occurs.
 
As
you
can
see,
when
we
Click
the
button,
the
button1_Click
function
is
executed.
That
function
has
been
 automatically
written
for
you
when
you
double‐click
the
button.
Of
course,
the
same
function
can
be
 ... open
the
form
named
“Form1.cs”
(“.cs”
is
from
C
Sharp).
In
case
you
did
not
know,
in
C#
the
code
is
 usually
put
between
curly
braces
just
like
in
Java
and
C++.
 we
click
the
button.
Inside
it,
we
will
write
the
code
that
will
add
the
two
values
from
the
text
boxes.
 ... On
the
right
you
have
your
“Solution
Explorer”.
When
you
create
a
new
project,
you
automatically
create
a
 new
solution.
A
solution
is
a
collection
of
multiple
projects,
let’s
say
we
make
an
application
called
 “Calculator”
(cause
this
is
what
we
actually
do),
and
“Calculator”
is
an
application
project
inside
the


Ngày tải lên: 28/04/2014, 15:33

... XML to PDF XSL-FO Formatter C Sharp Programming value C# Programming Cover | Introduction | Basics | Classes | The NET Framework | Advanced Topics | Index C sharp musical note The special identifier ... sharp musical note Advanced Inheritance Interfaces Abstract Classes Partial Classes Generics Object Lifetime - 26 - by , XML to PDF XSL-FO Formatter C Sharp Programming Index C# Programming ... Structure C# Programming Cover | Introduction | Basics | | The NET Framework | Advanced Topics | Index C sharp musical note Structure Namespaces Giving your code its own space to live in Classes

Ngày tải lên: 05/12/2016, 11:48

... the csc executable is included inyour path Also make sure that path of C# Compiler (csc.exe) is correct Aftercompiling your code, the C# compiler creates an exe file called first.exe underthe current ... still can be executed from managedcode using COM+ Using the N/ Direct features of C# and COM+, you can use the Clanguage API With the help of the COM+ run-time and the COM+ Common LanguageSpecification ... anobject All data type and components in C# are objects C++ programmers aresometimes confused when choosing different access operators to process object.With C# you use a dot (.) operator to access

Ngày tải lên: 05/12/2016, 12:45

... FaultHandlerActivity 89 The TransactionScopeActivity 90 The CompensatableSequenceActivity 91 Trang 10Table of ContentsThe CompensatableTransactionScopeActivity 91The CompensateActivity 92 The ConditionedActivityGroup ... dedicated to workflow communications The chapter explains how to use correlated local services for communication with a host process, and web service activities for communication across a network ... simplify a problem space For instance, a SendOrderToKitchen custom activity could encapsulate a web service call and other processing logic inside This activity is obviously specific to the restaurant

Ngày tải lên: 20/03/2019, 14:16

... Csla.Core.IUndoableObject Cascading the Call to Child Objects or Collections If the field is a reference to a Csla.Core.IUndoableObject, the CopyState() call must be cascaded to that object, so that it can take ... editable collection base classes Csla.Core.IReadOnlyObject Interface implemented by all read-only base classes Csla.Core.IReadOnlyCollection Interface implemented by all read-only collection base classes ... classes Csla.Core.ICommandObject Interface implemented by CommandBase Csla.Core.ObjectCloner... this may be a regular field or it may be a reference to a child object that implements Csla.Core.IUndoableObject

Ngày tải lên: 06/07/2014, 00:20

... sequence of events described here occur—just much faster than ifnetwork communication were involved An exception could occur while calling the server The most likely cause of such an exception ... (T)Create(typeof(T), criteria); } public static T Create<T>() { return (T)Create(typeof(T), null); } public static object Create(object criteria) { return Create(MethodCaller.GetObjectType(criteria), ... public DataPortalResult Create( Type objectType, object criteria, DataPortalContext context) { return _portal.Create(objectType, criteria, context); } Trang 22public DataPortalResult Fetch(object

Ngày tải lên: 06/07/2014, 00:20

... esour ces to projects. Since this process is common across several other processes, we can centralize it into a use case that’s referenced from the others. CHAPTER 6 ■ OBJECT-ORIENTED APPLICATION ... objects, allowing you to start creating a basic class diagram or organizing the classes using CRC cards. Table 6-2 lists the high-level CRC data for each potential object. CHAPTER 6 ■ OBJECT-ORIENTED ... with a Resource instead of a Project. CHAPTER 6 ■ OBJECT-ORIENTED APPLICATION DESIGN 331 Figure 6-3. The ProjectResources collection and the ProjectResource child object 6323_c06_final.qxd 2/26/06

Ngày tải lên: 06/07/2014, 00:20

... ExistsCommand class, 456–457 main areas of each class, 405 Project class, 408–429 ProjectList class, 446 ProjectResource class , 434–439 ProjectResources class, 429–434 ProjectTracker application classes, ... DataPortalContext class, 167 ClientContext property ApplicationContext class, 230 ClientCulture DataPortalContext class, 167 ClientUICulture DataPortalContext class, 167 Clone method BusinessBase class, ... physical architecture description, 2 layers and logical architecture, 2 logical and physical architectures, 1–17 physical model, 4–8 performance, 5 scalability, 5 physical n-tier architecture

Ngày tải lên: 06/07/2014, 00:20

... Basic GDI+ Objects Chapter 3 The Graphics Class Section 3.1 Graphics Class Properties Section 3.2 Graphics Class Methods Section 3.3 The GDI+Painter Application Section 3.4 Drawing a Pie Chart ... graphics topics covered to reinforce the concepts presented." —Charles G Parker, President, Parallel Consulting, Inc. "Graphics Programming with GDI+ is a comprehensive reference for ... Web Section 12.5 Drawing a Line Chart Section 12.6 Drawing a Pie Chart Chapter 13 GDI+ Best Practices and Performance Techniques Section 13.1 Understanding the Rendering Process Section

Ngày tải lên: 12/08/2014, 19:20

... RectangleF rect2 = new RectangleF(40.2f, 40.6f, 100.5f, 100.0f); RectangleF rect1 = new RectangleF(pt, sz); Rectangle rect3 = Rectangle.Ceiling(rect1); Rectangle rect4 = Rectangle.Truncate(rect1); ... a menu click event handler The Form class provides the CreateGraphics method, which returns a Graphics object The following code snippet creates a Graphics object using the CreateGraphics method ... Round, Truncate, Union, Inflate, Ceiling, and Intersect methods of Rectangle// Create a Graphics object Graphics g = this.CreateGraphics(); // Create PointF, SizeF, and RectangleF objects PointF

Ngày tải lên: 12/08/2014, 19:20

... Save color as background color, // and fill text box with this color backClr = clrDlg.Color; textBox2.BackColor = backClr; } } The last step is to apply the selected styles and colors, create ... ArrayList(); struct sliceData { public int share; public Color clr; }; private Color curClr = Color.Black; int shareTotal = 0; The Select Color button allows us to select the color for a share ... DialogResult.OK) { // Save color as foreground color, // and fill text box with this color forClr = clrDlg.Color; textBox1.BackColor = forClr; } } private void BackColorBtn_Click(object sender, System.EventArgs

Ngày tải lên: 12/08/2014, 19:20

... Create Graphics object Graphics g = this.CreateGraphics(); // Create Color object from ARGB Color redColor = Color.FromArgb(120, 255, 0, 0); // Create Color object form color name Color ... blueColor = Color.FromName("Blue"); // Create Color object from known color Color greenColor = Color.FromKnownColor(KnownColor.Green); // Create empty color Color tstColor = Color.Empty; ... text color AppWorkspace Multiple-document interface (MDI) workspace background color ControlDarkDark 3D control dark shadow color ControlLight 3D control highlight color ControlLightLight 3D control

Ngày tải lên: 12/08/2014, 19:20

... Color.Green; colorMap2.OldColor = Color.Yellow; colorMap2.NewColor = Color.Navy; colorMap3.OldColor = Color.Blue; colorMap3.NewColor = Color.Aqua; // Create an... records describing the respective objects ... = new ColorMap(); ColorMap colorMap2 = new ColorMap(); ColorMap colorMap3 = new ColorMap(); // Set the ColorMap objects' properties colorMap1.OldColor = Color.Red; colorMap1.NewColor = Color.Green; ... EnumerateMetaFile_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a Metafile object from a file Metafile curMetafile

Ngày tải lên: 12/08/2014, 19:20

... e) { Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create color and points arrays Color[] clrArray = {Color.Red, Color.Blue, Color.Green, Color.Pink, Color.Yellow, Color.DarkTurquoise}; ... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a GraphicsPath object GraphicsPath path = new GraphicsPath(); // Create an array ... TransformUnits_Click(object sender, System.EventArgs e) { // Create a Graphics object and set its // background as form's background Graphics g = this.CreateGraphics(); g.Clear(this.BackColor);

Ngày tải lên: 12/08/2014, 19:20

... System.EventArgs e) Trang 7 // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a GraphicsPath object GraphicsPath path = new GraphicsPath(); // Add an ... Processing Recoloring, the process of changing image colors, is a good example of color transformation Recoloring includes changing colors, intensity, contrast, and brightness of an image It can ... component by 0.5, cutting its intensity by half Listing 10.19 uses the ColorMatrix object to scale image colors Listing 10.19 Scaling colors private void ScalingMenu_Click(object sender, // Create a

Ngày tải lên: 12/08/2014, 19:20

... graphics objects Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a black pen Pen blackPen = new Pen(Color.Black, 2); // Create a graphics path GraphicsPath path = new GraphicsPath(); ... properties: ClipRectangle and Graphics.ClipRectangle indicates the rectangle in which to paint, and the Graphics property indicates the Graphics object associated with the paint event of a particular control ... of destination rectangle HDC hdcSrc, // handle to source device context int nXSrc, // x-coordinate of source upper left corner int nYSrc, // y-coordinate of source upper left corner DWORD dwRop

Ngày tải lên: 12/08/2014, 19:20

... Controls.Add(textBox); Control checkBox = factory.CreateCheckBox(); checkBox.Location = new Point (10, 50); Controls.Add(checkBox); Trang 37We can now create concrete types for this Interface Code Listing ... textBox.Location = new Point (10, 10); container.Controls.Add(textBox); Control checkBox = factory.CreateCheckBox(); checkBox.Location = new Point (10, 50); container.Controls.Add(checkBox); ... Abstract Factory What if there are no closely related objects, like TextBox, CheckBox, Button, etc.? Having an Abstract Factory to create a single object (which may contain other objects, of course),

Ngày tải lên: 05/12/2016, 12:48