Author: Joanna C1415
Introduction
When we use Delphi to design forms and data modules, every time we place a component on the designer, several things change: the form now shows an appropriate representation of the component, the object inspector changes to show the properties of the component and, if we press Alt-F12, we see the .DFM file now contains information about the component. Whether…
Author: Adailton C38044
The reason there are both Table and Query components is due to the fact there are table-oriented databases like Dbase, Paradox, or Access, and there are set-oriented databases like Interbase, Oracle, and MSSQL. These different types of database…
Author: Embarcadero USA
DirectX Overview
Conducting a survey about what game programming
API used by most of game softwares running on PC, I am sure that, DirectX will be on
top list. Nowdays, DirectX had become a mature API for game programming
on…
Author: Embarcadero USA
Question and Answer Database
FAQ2369C.txt Writing a VCL component in C++ which defines its own events
Category :VCL
Platform :All
Product :C++Builder 3.x
Question:
I have scoured the Borland BCB docs and the net and I really haven't
found a good example of writing a VCL component in C++ which defines its
own events (an event not overriding any ancestor class…
Author: Embarcadero USA
Question and Answer Database
FAQ2060D.txt Detecting tab key press
Category :VCL
Platform :All
Product :All 32 bit
Question:
Since the KeyPress and the KeyDown events do not get called
for the tab key, how do I trap the tab key at the…
Author: Embarcadero USA
Question and Answer Database
FAQ1525D.txt Using WM_COPYDATA.
Category :Windows API
Platform :All
Product :All 32 bit
Question:
How can I use the WM_COPYDATA message to pass information between
16-bit and 32-bit…
Author: Embarcadero USA
Question and Answer Database
FAQ1500D.txt Does Delphi have an equivalent to the Visual Basic SendKeys function?
Category :VCL
Platform :All
Product :All 32 bit
Question:
Does Delphi have an equivalent to the Visual Basic SendKeys
function?
Answer:
The following example demonstrates procedures that provide the
capibility of sending keystrokes to any window…
Author: Embarcadero USA
Question and Answer Database
FAQ1355D.txt Preventing multiple application instances
Category :Windows API
Platform :All
Product :All 32 bit
Question:
How can I guarantee that only one instance of my program
executes? Is it possible to…
Author: Embarcadero USA
Question and Answer Database
FAQ603D.txt - Changing the papersize of a print job.
Category :Printing
Platform :All-32Bit
Product :
Question:
How can I change the papersize of my print job?
Answer:
One way to change printer settings at…
Author: Embarcadero USA
Technical Information Database
TI2459C.txt Displaying an error string from GetLastError.
Category :General
Platform :All
Product :Borland C++ All
Description:
Displaying an Error Message with GetLastError
GetLastError is a WIN32 API that returns an error code indicating
the most recent error. The most recent error will be set by the
failing…
