sams teach yourself the csharp language in 21 days pdf

... command prompt window, change to the directory containing the program, and then run the program from the command line. Note viii Sams Teach Yourself the C# Language in 21 Days Using Iteration ... L. Jones the C# Language in 21 Days Teach Yourself DAY 1 WEEK 1 Getting Started with C# Welcome to Sams Teach Yourself C# in 21 Days! In today’s lesson, you begin the process of becoming a proficient ... Newline in constant The error message finds the correct line for the error, locating it in Line 5. The error messages found the error at location 46 on Line 5. This error message missed the point that...

Ngày tải lên: 13/08/2014, 08:20

... be printed later in the listing. Line 9 declares an integer and assigns the value 321 to it. Line 10 defines a double and assigns the value 123.45. Lines 12–13 print two pieces of text using System.Console.WriteLine(). ... System.Console.WriteLine(). You can see from the output that each of these prints on a separate line. Lines 15–16 show the System.Console.Write() routine. These two lines print on the same line. There is ... a starting point in an application: Main(). After you examined a listing, you dug into storing basic information in a C# application using variables. You learned how the computer stores information....

Ngày tải lên: 13/08/2014, 08:20

... j. Print the following message based on the file-type: s The filer is single m The filer is married filing at the single rate j The filer is married filing at the joint rate 2. Is the following ... myLine.len = System.Math.Sqrt( 28: (myLine.ending.x – myLine.starting.x) * 29: (myLine.ending.x – myLine.starting.x) + 30: (myLine.ending.y – myLine.starting.y)* 31: (myLine.ending.y – myLine.starting.y) ... straightforward. In Line 23, you assign the constant value 1 to the variable myLine.starting.x. In other words, you are assigning the value 1 to the x member of the starting member of myLine. Going from the...

Ngày tải lên: 13/08/2014, 08:20

... Line 27 contains a switch statement that switches based on the value in myColor. In Lines 29–35, the case statements in the switch don’t contain literal numbers; they contain the values of the ... are declared: ã point structure in Lines 1627 ã line class in Lines 3499 ã square class in Lines 106174 ã circle class in Lines 182237 ã WR01App class in Lines 239390 The line, square, and circle ... similar. The point structure is used to help organize the other classes. Dissecting the Main Method Looking closer at the listing, you see that the program flow actually starts in Line 244, where the...

Ngày tải lên: 13/08/2014, 08:20

... defined in the listing and Reading.cs is your listing name. If you compile Listing 9.10 using the /define switch, DEBUG is again defined with- out the need to change your code. Leaving the /define ... numbers are the starting point of the line. The last two are the ending point. After the lines have been drawn, calling the Dispose method cleans up the oGraphics object. This is done in Line 143. ... this listing: Lines.cs(102,16): warning CS1030: #warning: In Main ’ Lines.cs(106,16): warning CS1030: #warning: ‘Done with main’ Lines.cs(203,16): warning CS1030: #warning: In Method 1 ’ Lines.cs(303,16):...

Ngày tải lên: 13/08/2014, 08:20

... to the console. The first placeholder in each of these lines displays the floating-point value as a fixed-point number using the F specifier. The second placeholder prints the same variable in ... from the user. This information is obtained in Lines 15, 24, and 33 using the ReadLine method in Console. The first value obtained is the first name. This is appended into the name StringBuilder ... character value in Line 22. The character value is then appended to the string Input. After the entry of characters is completed, Line 27 prints the full value of the Input string. All the characters...

Ngày tải lên: 13/08/2014, 08:20

... Line 70 does. More important, by overloading the ToString method (Lines 83–85), you gain the capa- bility to “print” the class. When you display the class as shown in these lines, the ToString ... the catch in Line 287. Similar logic is used to determine whether the player wants to hit or stay in Lines 310–332. Looking at the Entire Deck You can take a quick look at all the cards in the ... class includes an array of cards in Line 70. The individual card structures in this array are initialized in the constructor of the deck (Lines 76–94). This initialization is done by looping through...

Ngày tải lên: 13/08/2014, 08:20

... autoscaling the form. AutoScroll The form has the automatic capability of scrolling. AutoScrollMargin The size of the margin for the autoscroll. AutoScrollMinSize The minimum size of the autoscroll. AutoScrollPosition ... controls are instantiated. The two list box controls are instantiated in Lines 32 and 33. The details of the list boxes are set later in the listing. The first list box, lboxSex,is defined in Lines ... of the classes used for forms and controls. Line 8 presents the beginning statement for the class. In this line, the new form, BadRadio, is defined. It inherits from the Form class. In Lines...

Ngày tải lên: 13/08/2014, 08:20

... other stuff. The other stuff is the SOAP information needed to send the information back to the calling routine. Creating a Proxy The previous section showed you how to see your Web service in ... without explicitly including the namespace name throughout the rest of the listing. In Line 10, the Calc class is derived from WebService. This gives your class the Web ser- vice traits as defined within the ... reference the windows forms classes in the com- mand line: csc /r:System.Windows.Forms.dll /t:winexe TicTac.cs LISTING T&R 4.1 continued Depending on your compiler, you may not need to include the...

Ngày tải lên: 13/08/2014, 08:20

... additions. In the previous listing, only the Rectangle class was included. In this listing, each of the different class types is used with the PrintAttributes method. The output shows that the appropriate ... class Pulling It All Together Up to this point, you have seen all the parts of creating an attribute, associating it with your classes, and getting the information at runtime. Listing 21. 6 pulls ... by pressing Ctrl+S or by selecting Save from the File menu. After saving the form, you can compile the project by pressing F8 or by selecting Run, Build Combine. This compiles the listing. If...

Ngày tải lên: 13/08/2014, 08:20

... 213 Deleting the Current Drawing 214 Saving and Restoring the Drawing 215 Interacting with the Menu 218 Adding Color to the CLine Class 218 Adding Color to the Document 219 Modifying the Menu ... Coordinate-Handling Classes 710 Using the CPoint Class 710 Using the CRect Class 712 Using the CSize Class 717 Using the Time-Handling Classes 718 Using the COleDateTime Class 719 Using the ... Mouse Events 48 Drawing with the Mouse 49 Improving the Drawing Program 53 Adding the Finishing Touches 55 Capturing Keyboard Events 56 Changing the Drawing Cursor 57 Making the Change Stick 60 Summary...

Ngày tải lên: 04/07/2014, 15:32

... first instantiates the scripting engine by creating the COM component that implements the scripting language. Then, it passes the text of the script to the scripting engine by calling the IActiveScriptParse::ParseScriptText() ... program or the Windows-interface wscript program. When you use either, it finds the appropriate scripting engine to interpret your script by examining the Windows Registry. The following steps ... The Windows Scripting Host defines interfaces that are implemented by scripting engines. Consequently, the same scripting engine can be used in any application that can use the scripting interface...

Ngày tải lên: 13/08/2014, 08:21

... that you want by using the argument as the index into the Drives collection, and then you check the state of the drive using the isReady property. It’s important to check the isReady property; ... http://www.simpopdf.com Arguments This returns a collection that contains the parameters for the script. FullName This returns the full path to the host executable, including the name of the scripting ... returns the path for the file. ShortName This returns the name of the file under the short DOS 8.3 naming convention. ShortPath This returns the path to the file using the old DOS 8.3 naming convention. Size This...

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21