Story Category: twincontrol
Preserve Internal State (/Window Handle) when Changing Parent or Style for an ActiveX Control – aka How To RecreateWnd “Properly” for TOleContainer ancestors
zarkogajic
In any (VCL) Delphi application more stuff happens behind the scenes than you might be aware of. As known, every (TWinControl descendant) control placed on a form (like TButton or TEdit) and even the (T)Form… … Read more
2 years ago in ActiveX, ControlState, CreateWnd, csRecreating, Delphi, DestroyWnd, handle, RecreateWnd, THandle, TOleControl, twincontrol, windows, windows api, windows messages
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Receive Windows Messages In Your Custom Delphi Class – NonWindowed Control/Object
zarkogajic
Windows messages are a key ingredient in communication between Windows and (your) application and also in communication between (two) applications. Even without your knowledge Windows messages are being posted and handled by forms in your… … Read more
4 years ago in Delphi, twincontrol, windows, windows api, windows messages
0
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