windows

C++ ABIs or more specifically: DelphiVCL.Application.CPP_ABI_1, DelphiVCL.Application.CPP_ABI_2, and DelphiVCL.Application.CPP_ABI_3 inside DelphiVCL.Application is C++ ABIs (Application Binary Interfaces, which are implemented under the hood, including how parameters are passed, such as in a register or on the stack). In windows development software but also especially for Linux, an…

In Windows application development the OnMessage or DelphiVCL.Application.OnMessage occurs when the application receives a message from either the Windows operating system or another application. How to use the DelphiVCL.Application.OnMessage event properly? We use the OnMessage to trap any or all Windows messages posted to all windows in the application. The OnMessage event occurs when an…