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DevX - Software Development Resource

Undeleting Records from Paradox Tables

Question: How can I undelete a record from a Paradox table? Answer: You can’t. Period. When you delete a record from a Paradox table, its space still exists, but its

DevX - Software Development Resource

Typecast Text to LPARAM

Question: How do I typecast text to LPARAM? LPARAM is supposed to be an integer, but clearly the API call wants text. I’m assuming I missed some pchar>string or pointer

DevX - Software Development Resource

Passing Collections Between ASP Pages

Question: I am generating Active Server Pages using Visual InterDev and VBScript. I have fetched all my records from the database through my ActiveX DLL into a collection variable. Can

DevX - Software Development Resource

Troubleshooting Setup.exe errors

Question: I am trying to create a setup.exe for VFP 5.0, using the setup wizard. After I installed the application using the setup.exe and ran the program, I got error

DevX - Software Development Resource

String to Float

Question: How do I add two label values together and submit the answer to another label? Label19.Caption := FloatToStrF(Table1Standard.AsFloat,ffCurrency,15,2)Label20.Caption := FloatToStrF(Table1Zero.AsFloat,ffCurrency,15,2)Label21.Caption := StrToFloat(????????? Answer: This is one of those things

DevX - Software Development Resource

Create an Invoice

Question: I need to create an onscreen invoice. I can figure out Supplier name, Customer name, and so on. But I can’t figure out how to do the body?for example,

DevX - Software Development Resource

BDE Engine Error When Installing Delphi 3

Question: I used InstallShield that comes with Delphi 3 to install a Delphi 3 program on another user’s computer running Windows 98. The install includes the full BDE and two