sams teach yourself the c language in 21 days pdf

... http://www.simpopdf.com Trang 14name of the batch file that was called, and %1 through %9 are the command parameters You can specify more than nine parameters; to access them, Accessing command-line parameters ... Active Directory." As Day administration tool because it can script any ActiveX objects Because many of the Microsoft technologies expose ActiveX administration objects, they can be administered ... have a batch file that bitmaps to a directory using something like the following syntax: The problem is that it can be difficult to check whether the directory mapping succeeded With WSH scripts,

Ngày tải lên: 13/08/2014, 08:21

... fields in the table To add the columns, I need to create individual Column objects, change the settings for each Column, and then add the Column to the Table object using the Table.InsertColumn() ... performance enhancement In either case, each device corresponds to a single file in the NT file system.     To create devices, you use the Device object To create the object, you use Wscript.CreateObject("SQLOLE.Device") ... makedb.vbs Trang 23The example connects to SQL Server and then accesses a specific database using the SQLServer.Databases collection Accessing a database is easy because you can index into the SQLServer.Databases

Ngày tải lên: 13/08/2014, 08:21

... can also close a window by calling the Close() method on a Window object The following closes the active window by calling Close() on the ActiveWindow property:Ã Ã appXL.ActiveWindow.Close()Ã ... when connecting We’ll cover connection strings in more detail in the documentation for the Connection.ConnectionString property later in the chapter.Ã Ã Ã Ã In addition to using it to connect to ... the Find or Replace commands in Word, you’ve already seen these objects at work Issuing the Find command in Word is equivalent to calling the Find() method on the Selection object in script code.Ã

Ngày tải lên: 13/08/2014, 08:21

... more about the capabilities of the Connection object, including support for transactions, in the documentation for the Connection object later in this chapter. The last major ADO object that you ... Description Attributes This returns or sets the characteristics of a connection. The valid attributes for a connection include the following constants: adXactCommitRetaining—ensures that calling ... http://www.simpopdf.com Open(ConnectString, User, PW) datasource. The ConnectString parameter must specify a valid datasource connection string. The User parameter is the username for the datasource connection,

Ngày tải lên: 13/08/2014, 08:21

... directories The Active Directory is a Windows 2000 concept that incorporates an accessible directory that includes users, groups, computers, share names, and all other aspects of the current Windows ... domain, are also kept in the domain accounts database Changes to the accounts database are always done via the Primary Domain Controller, or PDC There can be many Backup Domain Controllers (BDCs), ... example, the first line in the following example returns the computer account for the server as a user object, whereas the second line returns the computer object: Create the userid, associate

Ngày tải lên: 13/08/2014, 08:21

... from the Inbox using CDO is very similar to CDONTS, except you Trang 9collection contains all the messages in the Inbox You sort the collection property being sorted, or it is the unique binary ... the project properties by choosing Project, WSH Login Properties from the menu Set Project Type to ActiveX DLL and then click OK Save the project by choosing File, Save Project You can save the ... are going to cover the steps involved in assembling the object, but you aren’t going to discuss the details of coding using Visual J++. Run Microsoft Visual J++ Select the Components category,

Ngày tải lên: 13/08/2014, 08:21

... placed in the applicationmessage queue L ISTING 4.1 CONTINUED A callback function is a function you create that is called directly by the Windows operating system Callback functions have specific ... you use the common dialogs that are built into Windows First, you have to declare an instance of the custom dialog class, which calls the class constructor and creates aninstance of the class Next, ... declares the variables associated with controls as public, making them completely accessible outside the dialog class You can changethis by placing a private:access specifier where the public:access

Ngày tải lên: 13/08/2014, 18:20

... notice that the generated code for this functioncreates a CPaintDCvariable instead of the normal CDC class The CPaintDCclass is a Trang 27descendent of the CDC device context class It automatically ... You can edit thisfunction, adding the code in Listing 8.5 L ISTING 8.5 THE DrawLine FUNCTION 1: void CPaintDlg::DrawLine(CPaintDC *pdc, int iColor) 2: { 3: // Declare and create the pens 4: CPen ... second device context con-is also attached to the same output device as the first // Create a device context CDC dcMem; // Make the new device context compatible with the real DC dcMem.CreateCompatibleDC(dc);

Ngày tải lên: 13/08/2014, 18:20

... and the access as public. 9. Edit the GetColor function, adding the code in Listing 10.20. LISTING 10.20. THE GetColor FUNCTION. 1: UINT CDay10Doc::GetColor() 2: { 3: // Return the current color ... menu object. The SetCheck function can check or uncheck the menu entry, depending on whether the argument passed is 1 or 0 (1 checks, 0 unchecks). The argu- ment portion for the SetCheck function ... Docking the Toolbar The last thing that you do in the code that you add to the OnCreate function in the CMainFrame class is the following: // Enable docking for the Color Toolbar m_wndColorBar.EnableDocking(CBRS_ALIGN_ANY);

Ngày tải lên: 13/08/2014, 18:20

... screen, these changessomehow need to make their way into the current record in the document If you aremaintaining a pointer in the view object to the current record object, you can call therecord ... In the function, get a pointer to thedocument object Once you have a valid pointer to the document, call the documentobject’s GetFirstRecordfunction, capturing the returned object pointer in the ... needs to create Theobject array will then create each object in the array and call its Serializefunction,passing the CArchiveobject to each in turn This enables the objects in the object array

Ngày tải lên: 13/08/2014, 18:20

... make the first change in your module, increasing the number of squiggles that can be in a drawing, edit the NewDrawingfunction in the drawing class, increasing the modulusvalue in line 7 of the ... to the document class Specify the function type as a pointer to thedrawing object, in this case, CModArt*, and specify the function declaration as GetDrawingand the access as public Edit the ... 28) Finally, when creating the CLineobject, passthese colors through the RGBfunction to create the actual color that will be used in thedrawing, as in line 41 of Listing 16.16 L ISTING 16.16 THE

Ngày tải lên: 13/08/2014, 18:20

... void, the function declaration as SuspendSpinner(int nIndex, BOOL bSuspend), and the function access as public, and check the Static check box. Edit the code for this function, adding the code in ... trigger the various sets of functionality contained in the control Many of these interfaces are used for triggering events in the control or in the containing application Others... file, scroll ... to maintain any drawings, unless the container application explicitly specifies that a drawing is to be maintained You’ll set these two variables accordingly in the control class constructor,

Ngày tải lên: 13/08/2014, 18:20

... Program-Development Cycle 9 Creating the Source Code 9 Understanding the Execution of a C# Program 11 Compiling C# Source Code to Intermediate Language 13 Completing the Development Cycle 14 Creating Your ... 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 Statements 128 Executing Code ... application. You might also see these applications referred to as WinForm xviii Sams Teach Yourself the C# Language in 21 Days catch 724 char 724 checked 724 class 724 const 725 continue 725 decimal...

Ngày tải lên: 13/08/2014, 08:20

... produced. In those cases, you can have the compiler avoid checking the code. This is done with the unchecked key- word, as illustrated in Listing 2.8. LISTING 2.8 Unchecked.cs—Marking Code as Unchecked 1: ... characters because the slash “escapes” from the regular text and indicates that the fol- lowing character is special (or extended). Note LISTING 2.7 chars_table.cs The Special Characters 1: // chars_table.cs 2: ... value of ctr (first 63) and places it into the character variable ch. Because ctr is an integer, you have to tell the computer to convert the integer to a char- acter, which the (char) statement...

Ngày tải lên: 13/08/2014, 08:20

... plus storing routines commonly used with a circle. These routines could include getting the circle’s area, getting its cir- cumference, changing its center point, changing its radius, and much more. ... length of the line. Continuing with the listing, you see in Line 21 that a new object is created using the Line class. This new Line object is given the name myLine. Line 21 follows the same ... class. If Point will be used only within the context of a line, it can be defined within the Line class. This enables Point objects to be used in the Line class. The code for the nested Point...

Ngày tải lên: 13/08/2014, 08:20

... point(1,0); 375: mySquare.width.end = new point(10,0); LISTING WR1.1 continued CH 4 C H 2 C H 2 C H 2 C H 6 C H 5 C H 4 C H 7 C H 5 CH 6 C H 5 C H 6 CH 6 CH 5 C H 2 CH 7 C H 5 C H 5 C H 5 CH ... LISTING WR1.1 continued CH 5 C H 5 CH 5 C H 5 C H 5 C H 4 C H 5 C H 5 CH 5 C H 5 CH 6 CH 2 CH 2 C H 2 C H 3 C H 3 CH 3 C H 6 Listing 7.3 adds the same length method you have seen in listings ... 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 classes are all similar. The point structure...

Ngày tải lên: 13/08/2014, 08:20

... 9.2, the catch statement prints a message and the program flow then continues. Line 25, which contains a call to the WriteLine method, is still executed. Catching Exception Information In Listing ... You can include a catch state- ment that is more specific in fact, you can write a catch statement for a specific excep- tion. Listing 9.4 includes a catch statement that captures the exception ... ); Using Multiple catches for a Single try The catch statement in Listing 9.2 is rather general. It can catch any exception that might have occurred in the code within the try statement code....

Ngày tải lên: 13/08/2014, 08:20

... is cast to a 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. ... location within the current StringBuilder object. Replace Changes all copies of a given character with a new character. ToString Converts StringBuilder to String. The StringBuilder class can ... 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...

Ngày tải lên: 13/08/2014, 08:20

... are placed into the card structure within the deck’s card array. The location in the array where CardValue and CardSuit are being placed is tracked using currcard. The calculation in Line 89 ... listing increments the character to the next character value or decrements the character to the preceding value. Note that this is moving through the character values, so incrementing Z or decrementing A ... of the current card position and more. The Deck 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)....

Ngày tải lên: 13/08/2014, 08:20