c sharp programming examples with output

... more catch blocks These blocks contain the exception handling logic Each catch block contains an exception object declaration, similar to the way a method argument is declared, in this case, ... 13 Chapter 4 ' Visual Basic NET Public Sub UsingVisualBasicTypeAlias()... corrected code compiles as expected because it uses the correct case: Console.WriteLine("Hello"); live version · discussion ... System.Exception... parametric polymorphism via generics Several types of C# classes can be defined, including instance classes (standard classes that can be instantiated), static classes, and structures

Ngày tải lên: 31/03/2014, 16:41

... 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

... standard Microsoft installations of NET 2.0, run C: \WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe hello.cs For Mono run mcs hello.cs For users of cscc, compile with "cscc -o .exe .cs" Doing ... 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 ... 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

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

... 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 ... Accessing the Graphics Object Section 5.2 Working with Colors Section 5.3 Working with Fonts Section 5.4 Working with Text and Strings Section 5.5 Rendering Text with Quality and Performance

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); ... rectangle. IntersectsWith Determines if a specified rectangle intersects with rect Offset Adjusts the location of a specified rectangle by the specified amount Round Converts a RectangleF object ... 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

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 ... HorizontalBrick A hatch with the appearance of horizontally layered bricks LargeCheckerBoard A hatch with the appearance of a checker-board with squares that are twice the size of SmallCheckerBoard ... palette. GetHdc Returns the device context handle associated with a Graphics object. GetNearestColor Returns the nearest color to the specified Color structure. IntersectClip Updates the clip region

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

... 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

... ColorMap(); ColorMap colorMap3 = new ColorMap(); // Set the ColorMap objects' properties colorMap1.OldColor = Color.Red; colorMap1.NewColor = Color.Green; colorMap2.OldColor = Color.Yellow; colorMap2.NewColor ... colorMap2.NewColor = Color.Navy; colorMap3.OldColor = Color.Blue; colorMap3.NewColor = Color.Aqua; // Create an... records describing the respective objects to the metafile Finally, we release the objects ... HDC IntPtr hdc = g.GetHdc(); // Create a rectangle Rectangle rect = new Rectangle(0, 0, 200, 200); // Use HDC... the grayscale value, and callsSetPixel to apply the new color In the following code

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}; ... this.CreateGraphics();... Rectangle rect = new Rectangle(20, 20, 200, 100); // Create color and points arrays Color[] clrArray = { Color.Red, Color.Blue, Color.Green, Color.Pink, Color.Yellow, Color.DarkTurquoise ... 9.28: Color[] colors = {Color.Green}; with the following code snippet: Color[] colors = {Color.Green, Color.Blue, Color.Red, Color.Yellow}; rgBrush.SurroundColors = colors;... this.CreateGraphics();

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

... 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 ... 11.25 contains two methods. The 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 ... 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

... 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 ... StandardDoubleClick The control implements standard double-click behavior When using this option, you must also set StandardClick to true SupportsTransparentBackColor The control accepts a Color object with

Ngày tải lên: 12/08/2014, 19:20

... of ContentsThe CompensatableTransactionScopeActivity 91The CompensateActivity 92 The ConditionedActivityGroup 92 The InvokeWebServiceActivity 95The WebServiceInputActivity 96The WebServiceOutputActivity ... 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 ... approach • Using scheduling services, persistence services, and tracking services • Working with State Machines in Windows Workfl ow • Using services for communication with a host process and

Ngày tải lên: 20/03/2019, 14:16

... class pattern 144–145 abstract test infrastructure class pattern 137– 140 acceptance testing Cucumber 251 FitNesse 250 overview 250 SpecFlow 251 TickSpec 251 using before refactoring legacy code ... avoiding constructors that logic 223 context argument 97 continuous integration build script See CI control flow code 11 convincing management 193 Coypu 248 CreateDefaultAnalyzer() method 165 cross-cutting ... method 133 CI (continuous integration) build script 125– 128 class under test See CUT classes avoid instantiating concrete classes inside methods with logic 222 extracting interface into separate

Ngày tải lên: 18/04/2017, 10:58

... to the project’s GitHub website and check the code examples and further documentation Demo program source code The following Code Listing contains complete source code for all the examples previously ... information is often called Capture or Extraction Extracting the words, numbers, or text contained within a screenshot is called Optical Character Recognition (OCR) After reading this chapter, you should ... is a NET cross-platform wrapper called EmguCV that we will use to interact with Tesseract and to perform data extraction and OCR on TIFF with CCITT Group IV compression screenshots EmguCV allows

Ngày tải lên: 05/12/2016, 12:45

... in order. Now we can use another function called traverse(), which operates on this data structure and lets us specify what function to call for each piece of information it contains. Keeping ... module with Perl. You can get Tk from any CPAN archive (http://www.perl.com/CPAN/). The Tk extension provides an easy way to draw a window, put widgets into it (such as buttons, check boxes, ... a few examples of Tk-based web clients, which go beyond the command-line interface that we've been using so far in this book:[1]  xword, a dictionary client  track, a graphical version...

Ngày tải lên: 07/11/2013, 09:15

... "CHINA", "COLOMBIA", "CONGO", "COOK ISLANDS", "COSTA RICA", "COTE D'IVOIRE", "CROATIA", "CYPRUS", "CZECH ... REPUBLIC", "DENMARK", Chapter 7: Graphical Examples with Perl/Tk- P2 The do_search( ) function will take an optional $url argument, to give it an alternative place to connect ... clean up, and then we can do our lookup. If we care about this $tag, then we compress all spaces in the current text string (makes the display a little bit nicer) and call the function specified...

Ngày tải lên: 07/11/2013, 09:15

... Package tracking client Chapter 7: Graphical Examples with Perl/Tk- P3 Our destinations list is an almost exact copy of the list you'd see on the web page. For ease in using, we placed ... 'top_left_arrow'); -yscrollcommand => ['set', $scroll], -exportselection => 0); $scroll->configure(-command => ['yview', $listbox]); $scroll->pack(-side => ... typed a letter, it would scroll to the first entry starting with that letter. Or you could put an additional entry, and search for any word starting with those characters: my $response_f =...

Ngày tải lên: 07/11/2013, 09:15