Delphi

Validating input in TEdit components

Author: Embarcadero USA Technical Information Database TI1171D.txt Validating input in TEdit components Category :VCL Platform :All Product :Delphi All Description: Q: How can I validate input in my TEdit components? A: Assuming you're using regular TEdit components, during OnExit, you will see irregular behavior from controls if you attempt to change focus at that…
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Delphi

Delphi Configuration Files

Author: Embarcadero USA Technical Information Database TI1105D.txt - Delphi Configuration Files Category :Delphi 1.x Platform :All Product : Description: Delphi employs a number of files for its configuration, some global to the Delphi environment, some project specific. Chief among all the configuration files is DELPHI.INI. DELPHI.INI resides in the Windows directory and contains…
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C++

dBASE .DBF File Structure

Author: Embarcadero USA Technical Information Database TI838D.txt dBASE .DBF File Structure Category :Database Programming Platform :All Product :Delphi All Description: Sometimes it is necessary to delve into a dBASE table outside the control of the Borland…
C++

Null Pointer Assignment Errors Explained

Author: Embarcadero USA Technical Information Database TI500C.txt Null Pointer Assignment Errors Explained Category :General Platform :All Product :Borland C++ All Description: 1. What is a Null Pointer Assignment error? The Null Pointer…
C++

Getting Input In Graphics Mode

Author: Embarcadero USA Technical Information Database TI676C.txt Getting Input In Graphics Mode Category :General Platform :All Product :Borland C++ 3.0 Description: This program demonstrates how to get input from the user in graphics mode, echoed in the current colors and font size and font style. Functions: newLine() advances the (graphic)…
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C++

Resolving Undefined Symbol linker messages.

Author: Embarcadero USA Technical Information Database TI867C.txt Resolving Undefined Symbol linker messages. Category :General Platform :All Product :Borland C++ 3.x Description: The purpose of this document is to provide an overview of the …