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torben |
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// ***** BEGIN LICENSE BLOCK *****
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// * Version: MPL 1.1
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// *
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// * The contents of this file are subject to the Mozilla Public License Version
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// * 1.1 (the "License"); you may not use this file except in compliance with
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// * the License. You may obtain a copy of the License at
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// * http://www.mozilla.org/MPL/
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// *
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// * Software distributed under the License is distributed on an "AS IS" basis,
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// * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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// * for the specific language governing rights and limitations under the
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// * License.
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// *
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// * The Original Code is TurboPower SysTools
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// *
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// * The Initial Developer of the Original Code is
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// * TurboPower Software
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// *
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// * Portions created by the Initial Developer are Copyright (C) 1996-2002
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// * the Initial Developer. All Rights Reserved.
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// *
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// * Contributor(s):
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// *
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// * ***** END LICENSE BLOCK *****
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//---------------------------------------------------------------------------
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#include <vcl\vcl.h>
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#pragma hdrstop
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#include <stdlib.h>
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#include "Ex1DArrU.h"
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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#pragma link "StLArr"
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#pragma resource "*.dfm"
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TForm1 *Form1;
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//---------------------------------------------------------------------------
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__fastcall TForm1::TForm1(TComponent* Owner)
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: TForm(Owner)
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{
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::FormCreate(TObject *Sender)
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{
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//RegisterClass should be used, but it is not there in C++Builder 1.0
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RegisterClassAlias(__classid(TStLArray), "TStLArray");
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UpdateButtons(false);
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::FormClose(TObject *Sender, TCloseAction &Action)
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{
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delete MyLArray;
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}
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//---------------------------------------------------------------------------
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void TForm1::SetBusy(Boolean B)
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{
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if (B) {
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Screen->Cursor = crHourGlass;
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}
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else {
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Screen->Cursor = crDefault;
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}
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};
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//---------------------------------------------------------------------------
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int __fastcall MyArraySort(const void* El1, const void* El2)
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{
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ARecord R1, R2;
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int Res;
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R1 = *(ARecord*) El1;
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R2 = *(ARecord*) El2;
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Res = (R1.X - R2.X);
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if (Res == 0) {
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Res = (R1.Y - R2.Y);
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if (Res == 0) {
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Res = floor(R1.Mag - R2.Mag);
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if (Res == 0) {
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Res = CompareText(R1.Name1, R2.Name1);
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if (Res == 0)
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Res = CompareText(R1.Name2, R2.Name2);
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}
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}
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}
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return Res;
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};
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//---------------------------------------------------------------------------
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void TForm1::FillControls()
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{
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Edit1->Text = ARec.Name1;
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Edit2->Text = ARec.Name2;
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Edit3->Text = IntToStr((int)ARec.X);
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Edit4->Text = IntToStr((int)ARec.Y);
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Edit5->Text = FloatToStr(ARec.Mag);
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};
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//---------------------------------------------------------------------------
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void TForm1::FillListBox()
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{
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int Step;
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SetBusy(true);
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LB1->Clear();
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LB1->Perform(WM_SETREDRAW, 0, 0);
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for (Step = 0; Step < MyLArray->Count; Step++) {
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MyLArray->Get(Step, &ARec);
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LB1->Items->Add(IntToStr((int)ARec.X) + ", " + IntToStr((int)ARec.Y));
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};
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LB1->Perform(WM_SETREDRAW,1,0);
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LB1->Update();
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MyLArray->Get(0, &ARec);
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SetBusy(false);
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};
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//---------------------------------------------------------------------------
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bool TForm1::CheckControls(ARecord& AR)
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{
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if ((Edit1->Text == "") || (Edit2->Text == "") ||
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(Edit3->Text == "") ||
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(Edit4->Text == "") ||
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(Edit5->Text == ""))
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return false;
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AR.Name1 = Edit1->Text;
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AR.Name2 = Edit2->Text;
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AR.X = StrToInt(Edit3->Text);
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AR.Y = StrToInt(Edit4->Text);
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AR.Mag = StrToFloat(Edit5->Text);
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return true;
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};
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//---------------------------------------------------------------------------
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void TForm1::UpdateButtons(bool AOK)
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{
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ClearBtn->Enabled = AOK;
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FillBtn->Enabled = AOK;
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GetBtn->Enabled = AOK;
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PutBtn->Enabled = AOK;
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SortBtn->Enabled = AOK;
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SaveBtn->Enabled = AOK;
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};
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//---------------------------------------------------------------------------
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void __fastcall TForm1::LB1DblClick(TObject *Sender)
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{
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MyLArray->Get(LB1->ItemIndex, &ARec);
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ElemNum->Text = IntToStr(LB1->ItemIndex);
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FillControls();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::CreateBtnClick(TObject *Sender)
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{
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int Step;
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int I;
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int Value;
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LB1->Clear();
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SetBusy(true);
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if (MyLArray)
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delete MyLArray;
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UpdateButtons(false);
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MyLArray = new TStLArray(5000, sizeof(ARec));
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MyLArray->ElementsStorable = true;
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MyLArray->Clear();
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Randomize();
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LB1->Perform(WM_SETREDRAW,0,0);
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Value = MyLArray->Count;
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for (Step = 0; Step < Value-1; Step++) {
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ARec.Name1 = "";
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ARec.Name2 = "";
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for (I = 1; I <= 10; I++) {
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ARec.Name1 = ARec.Name1 + (char)(random(26) + 'A');
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ARec.Name2 = ARec.Name2 + (char)(random(26) + 'A');
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};
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ARec.X = floor(random(1000));
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ARec.Y = floor(random(1000));
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ARec.Mag = sqrt(random(25000));
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MyLArray->Put(Step, &ARec);
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LB1->Items->Add(IntToStr((int)ARec.X) + ", " + IntToStr((int)ARec.Y));
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};
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LB1->Perform(WM_SETREDRAW,1,0);
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LB1->Update();
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ElemNum->Text = "0";
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MyLArray->Get(0, &ARec);
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FillControls();
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UpdateButtons(true);
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SetBusy(false);
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::ClearBtnClick(TObject *Sender)
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{
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MyLArray->Clear();
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LB1->Clear();
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ElemNum->Text = "0";
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MyLArray->Get(0, &ARec);
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FillControls();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::FillBtnClick(TObject *Sender)
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{
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if (!CheckControls(ARec)) {
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ShowMessage("One or more invalid entries");
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return;
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};
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MyLArray->Fill(&ARec);
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FillListBox();
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ElemNum->Text = "0";
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MyLArray->Get(0, &ARec);
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FillControls();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::GetBtnClick(TObject *Sender)
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{
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long E;
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if (ElemNum->Text == "")
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ElemNum->Text = "0";
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E = StrToInt(ElemNum->Text);
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MyLArray->Get(E, &ARec);
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FillControls();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::PutBtnClick(TObject *Sender)
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{
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long E;
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if (ElemNum->Text == "")
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ElemNum->Text = "0";
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if (!CheckControls(ARec)) {
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ShowMessage("One or more invalid entries");
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return;
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};
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E = StrToInt(ElemNum->Text);
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MyLArray->Put(E, &ARec);
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LB1->Items->Strings[E] = (IntToStr((int)ARec.X) + ", " + IntToStr((int)ARec.Y));
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MyLArray->Get(E, &ARec);
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FillControls();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::SortBtnClick(TObject *Sender)
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{
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SetBusy(true);
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MyLArray->Sort(MyArraySort);
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SetBusy(false);
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FillListBox();
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FillControls();
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SetBusy(false);
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::LoadBtnClick(TObject *Sender)
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{
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if (OD1->Execute()) {
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if (!MyLArray) {
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UpdateButtons(false);
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MyLArray = new TStLArray(5000, sizeof(ARec));
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MyLArray->ElementsStorable = true;
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};
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MyLArray->Clear();
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MyLArray->LoadFromFile(OD1->FileName);
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FillListBox();
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FillControls();
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UpdateButtons(true);
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};
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::SaveBtnClick(TObject *Sender)
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{
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if (SD1->Execute())
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MyLArray->StoreToFile(SD1->FileName);
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}
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//--------------------------------------------------------------------------- |