Delphi

How to dynamically create a TPageControl

Author: Embarcadero USA Technical Information Database TI1321D.txt - How to dynamically create a TPageControl Category :VCL Platform :All-32Bit Product :All32Bit, Description: This document demonstrates how to dynamically add tab sheets (TTabSheet objects) to a Windows 9x/NT Page Control (TPageControl object). Both of these objects are declared in the ComCtrls unit. So make…
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C++

Sharing Violation Error with Paradox Tables.

Author: quinn Technical Information Database TI265B.txt Sharing Violation Error with Paradox Tables Category :General Programming Platform :All Product :BDE All Description: This error is most commonly caused by a "Lock File Contention". A lock file…
Delphi

DDE: A simple example

Author: Embarcadero USA Technical Information Database TI1177D.txt - DDE: A simple example Category :Delphi 1.x Platform :All Windows Product : Description: Q: How can I do DDE under Delphi using API calls ? A: Its fairly easy to accomplish, following is an…
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++

Extracting A Bitmap From A BLOB Field

Author: Embarcadero USA Technical Information Database TI791D.txt Extracting A Bitmap From A BLOB Field Category :Database Programming Platform :All Product :Delphi All Description: Extracting a bitmap from a dBASE or Paradox blob field -- without first saving the bitmap out to a file -- is a simple process of using the Assign method to store the contents of the BLOB field to an…
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