C++ Builder XE4 > UI > 화면 N 분할된 크기로 소프트웨어를 변경하는 UI 예

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//---------------------------------------------------------------------------

#ifndef Unit1H
#define Unit1H
//---------------------------------------------------------------------------
#include <System.Classes.hpp>
#include <Vcl.Controls.hpp>
#include <Vcl.StdCtrls.hpp>
#include <Vcl.Forms.hpp>
#include <Vcl.ExtCtrls.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:    // IDE で管理されるコンポーネント
    TComboBox *CB_vertDiv;
    TComboBox *CB_horiDiv;
    TShape *SHP_screen;
    TShape *SHP_software;
    TLabel *L_softcaption;
    void __fastcall FormShow(TObject *Sender);
    void __fastcall CB_vertDivChange(TObject *Sender);
    void __fastcall CB_horiDivChange(TObject *Sender);
private:    // ユーザー宣言
    int original_width;
    int original_height;
public:     // ユーザー宣言
    __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
    this->Caption = L"Display size";
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormShow(TObject *Sender)
{
    original_width = this->Width;
    original_height = this->Height;

    // 左上合わせ (デザインで重なりが分かるようにずらしているためコードで合わせる)
    SHP_software->Left = SHP_screen->Left;
    SHP_software->Top  = SHP_screen->Top;
    L_softcaption->Left = SHP_screen->Left;
    L_softcaption->Top = SHP_screen->Top;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::CB_vertDivChange(TObject *Sender)
{
    int val = StrToIntDef(CB_vertDiv->Text, 0);
    if (val == 0) {
        return;
    }

    SHP_software->Height = SHP_screen->Height / val;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::CB_horiDivChange(TObject *Sender)
{
    int val = StrToIntDef(CB_horiDiv->Text, 0);
    if (val == 0) {
        return;
    }

    SHP_software->Width = SHP_screen->Width / val;
}
//---------------------------------------------------------------------------

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