... Interfaces 66 1 The HResult Return Type 66 6 COM Objects and Class Factories 66 7 TComObject and TComObjectFactory 66 7 In-Process COM Servers 66 9 Out-of-Process COM Servers ... Windows Message System Works 132 Delphis Message System 133 Message-Specific Records 134 Handling Messages 135 Message Handling: Not Contract Free 138 Assigning ... Constants 164 Cardinal Unary Negation 164 Migrating from Delphi 165 RTL Issues 165 VCL Issues 165 Internet Development Issues 165 Database Issues ...
... class hierarchy example with classes // base class class baseClass { // class implementation }; // first derived class class derivedFirst : public baseClass { // class implementation }; // last ... features of existing classes The process of acquiring features from existing classes is called deriving from the base class, where the base class is the existing class This way, all the classes derived ... and pointers to its own methods This may also be viewed as the base classes being embedded within the derived class as subsets of methods and the derived class as the superset of methods 25 Part...
... Windows and OpenGL The plan is to produce some graphics as soon as possible, so be patient with the necessary set up In the spirit of getting to the interesting code as soon as possible, this chapter ... millisconds later is another “Resize” followed shortly by a “Paint.” After careful consideration, this makes sense When the form shrinks, Windows only sends a Resize message Why should Windows send ... has arrived for some OpenGL code Add OpenGL to a uses clause Put it in the interface section in order to use an OpenGL type in the interface uses Windows, Messages, SysUtils, Classes, Graphics,...
... dm.getSignatures().post(); dm.getSignatures().saveChanges(); This code gets a per-session instance of the DataModule and posts and saves the user s input to the JDataStore Note that this per-session instance ... other necessary steps for setting up your JSP to use InternetBeans Express These steps are as follows: • It adds the InternetBeans Express library to your project • It sets the dependencies for the ... Neither of these are useful in a JSP, because you can just as easily use your own JSP expression scriptlet to the same thing Of course, it s also possible to use InternetBeans directly, just like any...
... �������������������� statement does this: SELECT a.empno, a.ename, a.Address.extract('//Address/Street/text()') getStringVal() as a.Address.extract('//Address/City/text()') getStringVal() as a.Address.extract('//Address/Zip/text()') ... gets changed dramatically As HTML is made up of standard pre-defined tags, we can simply design and apply stylesheets for the necessary tags using CSS, and a browser can understand all those ... those details very easily But any XML document is generally designed using user-defined tags (elements); a browser may not understand all those new tags (elements) Just as we use CSS to present HTML...
... isr address of int ; ; ; ; r14-=4 save context copy spsr save spsr ; cpsr_c=ift_sys ; ; ; ; ; ; cpsr_c=Ift_irq restore (spsr_irq) restore spsr load VectorAddress servicing complete return 364 ... After setting up the system register base address, the segment display can be configured The segment display hardware is used to show Sandstone s progress Note that the segment display is not shown ... low-level debug system using the banked FIQ mode registers, as shown here These registers are used to store status information It is not always possible to use FIQ registers since they may be used for...
... AnsiLowerCase AnsiLowerCaseFileName AnsiPos AnsiQuotedStr AnsiStrComp AnsiStrIComp AnsiStrLastChar AnsiStrLComp AnsiStrLIComp AnsiStrLower AnsiStrPos AnsiStrRScan AnsiStrScan AnsiStrUpper AnsiUpperCase ... VisualCLX units” on page 15-8 for information.) For example, change the following uses clause: uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; ... Windows messaging functions SMTP and POP3 let you send, receive, and save e-mail messages Windows API calls VisualCLX methods, Qt calls, libc calls, or calls to other system libraries Windows messaging...
... between columns and rows Crosstabs can be one-dimensional or multidimensional 22-2 DevelopersGuide About crosstabs One-dimensional crosstabs One-dimensional crosstabs show a summary row (or ... Decision query Decision cube Decision source Decision pivot Decision grid Decision graph About crosstabs Cross-tabulations, or crosstabs, are a way of presenting subsets of data so that relationships ... always take up space Note that the number of dimensions in this state must always be less than MaxDimensions, and the number of summaries set to Active must be less than MaxSummaries You should set...
... response messages Indicating the response status Every response message must include a status code that indicates the status of the response You can specify the status code by setting the StatusCode ... of existing Web servers A Web server application receives HTTP request messages from the Web server, performs any actions requested in those messages, and formulates responses that it passes back ... request messages When working with databases in these types of applications, you can use the default session to manage your database connections, because each request message has its own instance...
... address If the host name is unknown, the client socket must specify the server system using its IP address Specifying the server system by giving the IP address is faster When you provide the host ... a host The local IP address can be read from the system If the local system supports more than one IP address, server sockets will listen for client requests on all IP addresses simultaneously ... with other systems, the first step is designing the communication protocol for the servers and clients of this service What messages are sent? How are these messages coordinated? How is the information...
... transactions 46- 4 DevelopersGuide Managing resources Transactional objects are deactivated as soon as it is safe to so This is called assoon-as-possible deactivation A transactional object is deactivated ... terminates Abandon method Destroys the session and releases its resources Session_OnEnd event Occurs when the session is abandoned or times out The only intrinsics available are Application, Server, ... arguments, AnsiStrings, and so on • String data types must be transferred as wide strings (BSTR) PChar and AnsiString cannot be marshaled safely • All members of a dual interface must pass an HRESULT...
... necessary to connect to the resource.The rest of the process for using the System.Data.Odbc namespace is exactly the same as using the System.Data.OleDb, and the System.Data.SqlClient namespaces ... source code for this is on the CD (OrdersDataSet\ OrdersDataSet.csproj) Figure 8.4 Completed System.Data.OleDb Example (OrdersDataSet\ OrdersDataSet.csproj) Using DataReaders As discussed earlier in ... comboBox1_SelectedIndexChanged(object sender, System.EventArgs e) { string sCustID = comboBox1.SelectedItem.ToString(); Cursor.Current = Cursors.WaitCursor; label1.Text = GetCustomerName(sCustID); popGrdOrders(sCustID); Cursor.Current...
... Bluetooth stack that processes JSR 82 API calls and routes the messages between virtual devices (such as instances of the WTK emulator) via localhost socket connections The simulator also provides a ... untrusted domain in force on the device On the Nokia 66 00 and the Sony Ericsson P900/P908, untrusted MIDlets can access these APIs with User permission, the default being session On the Nokia 66 00, ... have the same three basic classes (see Figure 5 .6) : • a midlet.uitools.ListItem class which implements the custom item • an abstract class midlet.uitools.ListModel which encapsulates the data...