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Modal window problem

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Post time: 2020-1-29 10:00:02
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A modal window is displayed on the interface. I want the modal window to flicker when the user clicks other parts except the modal window. I don't know how to do it, please give pointers !!!
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Post time: 2020-3-3 15:45:01
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unit1.h
// ------------------------------------------------ ---------------------------
class TfmFile: public TForm
{
__published: // IDE-managed Components
...
private: // User declarations
...
public: // User declarations
...
protected:
        void __fastcall CreateParams (Controls :: TCreateParams&Params);
};
// ------------------------------------------------ ---------------------------

    unit1.cpp
// ------------------------------------------------ ---------------------------
void __fastcall TfmFile :: CreateParams (Controls :: TCreateParams&Params)
{
  TForm :: CreateParams (Params);
  Params.WndParent = GetActiveWindow ();
}
// ------------------------------------------------ ---------------------------
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