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741: String list and application of (a)
Delphi applications often have to deal with a list of strings, such as the combo box and list box of the string, TMemo parts of text lines, screen the list of supported fonts, TNotebook components tabs attribute string grid rows, columns and so on. ...

742: String list and application of (b)
3.1.4 by adding to the string list object In addition to the string list of properties stored in the Strings string, but also can be stored in the Objects in Object Properties. Stings like and, Objects can be indexed, it is the object index. Used ...

743: The design of a text editor (a)
This chapter describes more than the text interface (MDI), Multi-Page Interface (MPI) technology; VCL library TMemo, TEdit control and a text editor to use the common dialog box. We developed a text editor MPIEdit.dpr practical procedures to achieve...

744: The design of a text editor (b)
4.4.2 Find dialog box components Find dialog box to provide components for the Find dialog box application, the user can use the Find dialog box in the text string to find documents. Execult method can be used to find the dialog box shows that, in...

745: Delphi Graphics Programming (a)
In Delphi, the special definition of a group of objects and components used to draw graphics, complete with some simple image features. The use of these objects, components, methods, can easily draw a variety of commonly used graphics; by setting th...

746: Delphi Graphics Programming (b)
A straight line, the user can only release the mouse to see a straight line on the straight-line real-time changes can not be observed. This is because when the mouse is not some kind of procedure should be. Delphi defines OnMouseMove to respond to ...

747: Document management (a)
Elements of the same type of document is the orderly collection of memory and peripherals to transmit data between the channels. A number of peripherals such as monitors, keyboards, printers and so on can be seen as a document, but the most commonly...

748: Document management (b)
6.2.7 delete records, insert, sort Delete a record the basic idea is: to obtain the location of the current record and the record of the location-by-move. A record in the final document before the cut-off. for i: = CurrentRec +1 to Count-1 do beg...

749: Document management (c)
2. Draw pictures of each item from This is the TabSet events OnDrawTab the completion of the process. This event handler parameter in the process of painting projects to be included in the index, drawing board, be painted area, has been selected an...

750: Clipboard and dynamic data exchange (a)
Inter-application data exchange is like the Windows multi-tasking environment such an important feature. As a Windows-based development tool, Delphi support for the following four types of data exchange: the Clipboard, dynamic data exchange (DDE), o...


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