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Delphi

Using WM_COPYDATA.

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 applications? Answer: The following example shows how to use the WM_COPYDATA message to send a record containing data between a 16-bit and 32-bit…
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Delphi

Preventing multiple application instances

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…
Delphi

Changing the papersize of a print job.

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…
Delphi

Implementing TCollection

Author: Embarcadero USA Technical Information Database TI1647D.txt - Implementing TCollection Category :ActiveX/OLE/COM/ActiveForm Platform :All-32Bit Product :All32Bit, Description: This document is intended for those needing to descend from a class that…
C++

Playing a WAV from a resource.

Author: Embarcadero USA Question and Answer Database FAQ498C.txt Playing a WAV from a resource. Category :Windows API Platform :All Product :C++Builder 1.x Question: How do I play a sound from a resource? Answer: We haven't been able to get the SND_RESOURCE…
C++

Displaying an error string from GetLastError.

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…
News

A Summary of Year 2025 for RAD Studio, Delphi, and C++Builder

This blog post offers a quick summary of all of the new product versions and separate features released by Embarcadero in 2025. As you can see, this was another feature‑rich year for RAD Studio…

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