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void __fastcall TForm1::FormKeyDown(TObject *Sender, WORD &Key, TShiftState Shift) { bool GoForward; if (Key == VK_DOWN) GoForward = true; else if (Key == VK_UP) GoForward = false; else return; SelectNext(ActiveControl, GoForward, true); }
//--------------------------------------------------------------------------- #include <vcl.h> #pragma hdrstop #include "Unit1.h" //--------------------------------------------------------------------------- #pragma package(smart_init) #pragma resource "*.dfm" TForm1 *Form1; //--------------------------------------------------------------------------- __fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) { } //--------------------------------------------------------------------------- void __fastcall TForm1::FormKeyDown(TObject *Sender, WORD &Key, TShiftState Shift) { bool GoForward; if (Key == VK_DOWN) GoForward = true; else if (Key == VK_UP) GoForward = false; else return; SelectNext(ActiveControl, GoForward, true); } //--------------------------------------------------------------------------- void __fastcall TForm1::GroupBox1Enter(TObject *Sender) { ActiveControl = Edit1; } //---------------------------------------------------------------------------
//--------------------------------------------------------------------------- #ifndef Unit1H #define Unit1H //--------------------------------------------------------------------------- #include <Classes.hpp> #include <Controls.hpp> #include <StdCtrls.hpp> #include <Forms.hpp> //--------------------------------------------------------------------------- class TForm1 : public TForm { __published: // IDE-managed Components TGroupBox *GroupBox1; TEdit *Edit1; TButton *Button1; TButton *Button2; void __fastcall FormKeyDown(TObject *Sender, WORD &Key, TShiftState Shift); void __fastcall GroupBox1Enter(TObject *Sender); private: // User declarations public: // User declarations __fastcall TForm1(TComponent* Owner); }; //--------------------------------------------------------------------------- extern PACKAGE TForm1 *Form1; //--------------------------------------------------------------------------- #endif
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