DelphiDelphiVCLPythonPython GUIWindows

Learn About TWinControl For GUI Development With DelphiVCL

TWinControl is the base class for all controls that are wrappers for Microsoft Windows screen objects. TWinControl provides the common functionality for all controls that act as wrappers for Microsoft Windows screen objects (“windows”). Controls that are wrap underlying windows have the following features: The control can incorporate the functionality of an underlying window. For…
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DelphiDelphiVCLPythonPython GUIWindows

Learn About The InsertComponent Method And What It Does

InsertComponent or DelphiVCL.Application.InsertComponent method establishes the component as the owner of a specified component. InsertComponent adds the component passed in the AComponent parameter to the end of the Components array property. The inserted component must have no name (no specified Name property value), or the name must be unique among all others in the Components list. When…
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DelphiDelphiVCLPythonPython GUIWindows

Learn About DelphiVCL.Application.HandleMessage In Python

Use the HandleMessage method or DelphiVCL.Application.HandleMessage to interrupt the execution of an application while Windows processes a message in the Windows message queue. HandleMessage interrupts the execution of the application so that Windows can process a single message from the Windows message queue before returning control to the application. If the message queue is empty…
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DelphiDelphiVCLPythonPython GUIWindows

What Does DelphiVCL.Application.HandleException Do?

The HandleException method or DelphiVCL.Application.HandleException is used to provide default handling of exceptions for the application. If an exception passes through all the try blocks in the application code, the application automatically calls HandleException, which displays a dialog box indicating an error occurred. Unless the exception object is EAbort, HandleException calls the…
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