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New: C++ Group Members

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New: C++ Message Board Posts

Go To: C++ Message Board

Thread 5 of 5
Thread Starter  

BDE GetConfigParams Block Size
Hi All, I've been having some fun trying to change the BDE 'block size' during run time. I need to generate large answer tables and I don't want to drag every user though the BDE Administrator. I have no access to their machines other than my software. I like the idea of only modifying the settings when my program is running instead of changing their idapi.cfg file.  "rptSession" is a TSession component in the below example. TStringList* tsl = new TStringList(); rptSession->GetConfigParams("\CONFIGURATION\DRIVERS\NATIVE\PARADOX\%s","BLOCK SIZE",tsl);, I can compile, and no matter what permutation of path I dictate, the engine can't find the parameter that I specify. I want to read the current block size, then modify it while the session is active. Thanks in Advance! Jim Shedden
Posted to MB Topic: C++Builder
7 years ago
Nothing New Since Your Last Visit

Thread 4 of 5
Thread Starter  

MainMenu item chosen
Hello Mike

I do need your help!!!!!! pleeeease!!

I have a lot of forms in my program and one depends on one another. Form1 has a mainmenu whose items are: viga, trelica, portico and grelha(from civil engineering).
In Form5 i need to know the item chosen before in Form1, but i don't know how to do it. I do'nt know the syntax

Example (in Form5)

if (Form1->Viga1.OnClick) or if (Form1->Viga1-> Clicked == true)

Do something.........


Please, help me! It's my graduation paper and i need to finish it as soon as possible

Thanks dude!!!
Posted to MB Topic: C++Builder
7 years ago
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Thread 3 of 5
Thread Starter  

class that should not be inherited.
How to write the class such that it should not be inherited by other class.
Posted to MB Topic: Standard C++
9 years ago
1 Reply:

For C++, to prevent derivation make the constructor a private member of the class. In .Net you use the keyword sealed and in java you use a final class.
9 years ago
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Thread 2 of 5
Thread Starter  

C Chat Server for Borland?
I have been looking for a few weeks now for a chatserver example in C and can't find one that works for BCB 5.5.  I can find C++ servers but none that are in C that actually works for BCB.  Can someone point me in the right direction?  I wish to connect a database to a console program, but would like the code to be C based and not C++ ( I hear it is faster in regular ansi C).  Thank you in advance!
Posted to MB Topic: C Language
10 years ago
1 Reply:

Did you ever find a chat server? If not, how did you work around that. Are you porting one of the C++ ones or still looking?
10 years ago
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Thread 1 of 5
Thread Starter  

Exception Handle
Hi Moderator,, , I am developing database (ORACLE) application using C++Builder with TADO Component (TADOConnection & TADOQuery)., , Why if I put try and catch exception, when my application got error occur didn't entering catch block., , ie:, my syntax is TADOConnection->Open();, When this syntax not working properly, such as broken connection to database("ORA-12560"), didn't coming in catch block., , How to handle about that?, , Thanks a lot, , regards,, , Johan
Posted to MB Topic: C++Builder
13 years ago
1 Reply:

It's been a little while since I had the privilege of programming in C++ but if I remember correctly you have to explicitly throw an exception rather than the runtime throwing it automatically like Java or .NET...
10 years ago
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New: C++ Knowledge Base Posts

Go To: C++ Knowledge Base
  KB Article    

1. Old MS DOS Based Borland Turbo C For Text Word Processor

This article describes the procedural C programming for an old MS-DOS based application to perform text based word processing.

Posted to KB Topic: Classic C Language
4 months ago

Nothing New Since Your Last Visit

2. Old MS DOS Based Borland Turbo C For Scrolling Through A Binary Text File Of Fixed Width Records

This article describes the procedural C programming for an old MS-DOS based application to scroll and page rows of records in a list retrieved from a binary text file.

Posted to KB Topic: Classic C Language
4 months ago

Nothing New Since Your Last Visit

Mike Prestwood
3. C++/CLI Empty String Check (String.IsNullOrEmpty)

The .Net framework offers a static method in the string class: String.IsNullOrEmpty.

Posted to KB Topic: C++
8 years ago

Nothing New Since Your Last Visit

Mike Prestwood
4. C++/CLI String Concatenation (+)

C++/CLI performs implicit casting of numbers to strings. To concatenate two strings, a string to an integer, or a string to a floating point number, use the + operator. For example, to convert a floating point number to a string just concatenate an empty string to the number as in "" + 3.2.

Posted to KB Topic: C++/CLI Language Basics
8 years ago

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New: To/From Code

Go To: C++ To/From Guides

Code Snippets

  Code Snippet Created
1. Comments 1/1/2009
2. Prevent Derivation 1/1/2009
3. Abstraction 1/1/2009
4. End of Statement 1/1/2009
5. Case Sensitivity 1/1/2009
6. Literals 1/1/2009
7. Variables 1/1/2009
8. Assignment 1/1/2009
9. String Concatenation 1/1/2009
10. File Extensions 1/1/2009


  Topic Category Created
1. Array Data Structures 3/20/2010
2. Comments Language Basics 1/1/2009
3. Left of String Commands 1/1/2009
4. Prevent Derivation OOP Details 1/1/2009
5. Abstraction OOP Details 1/1/2009
6. End of Statement Language Basics 1/1/2009
7. Case Sensitivity Language Basics 1/1/2009
8. Literals Language Basics 1/1/2009
9. Variables Language Basics 1/1/2009
10. Assignment Operators 1/1/2009

New: eCertified Study Questions

Go To: eCertified
Question Level Type Based on KB Post KB Topic
{Too Long!} 1 MC {Too Long!} C++ OOP
{Too Long!} 1 TF {Too Long!} C++/CLI Language Basics
{Too Long!} 2 TF {Too Long!} C++/CLI Language Basics

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