forked from Ahoerstemeier/tambon
/
UnitConverterForm.cs
68 lines (65 loc) · 2.14 KB
/
UnitConverterForm.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace De.AHoerstemeier.Tambon
{
public partial class UnitConverterForm : Form
{
const Decimal SquareKilometerToRai = 0.0016M;
Boolean mChanging = false;
#region properties
private Decimal mArea = 0.0M;
public Decimal Area { get { return mArea; } set { mArea = value; UpdateEdits(); } }
#endregion
public UnitConverterForm()
{
InitializeComponent();
}
protected void UpdateEdits()
{
try
{
mChanging = true;
edtSquareKilometer.Value = mArea;
Decimal lAreaRai = mArea / SquareKilometerToRai;
edtRaiDecimal.Value = lAreaRai;
edtRaiInteger.Value = Math.Truncate(lAreaRai);
Decimal lAreaNgan = (lAreaRai - Math.Truncate(lAreaRai)) * 4;
edtNganInteger.Value = Math.Truncate(lAreaNgan);
Decimal lAreaWa = (lAreaNgan - Math.Truncate(lAreaNgan)) * 100;
edtTarangWaInteger.Value = Math.Truncate(lAreaWa);
}
finally
{
mChanging = false;
}
}
private void edtSquareKilometer_ValueChanged(object sender, EventArgs e)
{
if (!mChanging)
{
Area = edtSquareKilometer.Value;
}
}
private void edtRaiDecimal_ValueChanged(object sender, EventArgs e)
{
if (!mChanging)
{
Area = edtRaiDecimal.Value * SquareKilometerToRai;
}
}
private void edtInteger_ValueChanged(object sender, EventArgs e)
{
if (!mChanging)
{
Decimal lArea = ((edtTarangWaInteger.Value / 100 + edtNganInteger.Value) / 4 + edtRaiInteger.Value) * SquareKilometerToRai;
Area = lArea;
}
}
}
}