using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace HotelPms.SourceFactory
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{
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public partial class FormValid : Form
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{
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/// <summary>
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/// Validatingチェック＆メッセージ表示攻略
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/// ①CausesValidationItemを作成
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/// ②終了ボタンのCausesValidation = falseでValidatingを一旦止める(※注意：フォーカスを離れると、Validatingは再度走る)
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/// ③WndProcで×ボタンを押した時に、Validatingを一旦止める仕掛け this.ActiveControl = 終了ボタン;
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/// ④FormValid_KeyDownを押した時に、Validatingを一旦止める仕掛け this.ActiveControl = 終了ボタン;
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/// ⑤全部Validatingの先頭に下記の追加（CausesValidation = falseで一旦止めたValidatingは再度走る防止するため）
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/// if (!CausesValidationItem(sender)) { return; }
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/// </summary>
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public FormValid()
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{
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InitializeComponent();
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button1.CausesValidation = true;
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// button2.TabIndex = 0;
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button2.CausesValidation = false; //終了
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}
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private bool CausesValidationItem(object sender)
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{
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return this.ActiveControl.CausesValidation;
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}
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private void textBox1_Validating(object sender, CancelEventArgs e)
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{
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if (!CausesValidationItem(sender)) { return; }
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MessageBox.Show("textBox1_Validating");
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}
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private void textBox2_Validating(object sender, CancelEventArgs e)
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{
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if (!CausesValidationItem(sender)) { return; }
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//if (!this.CausesValidation) { return; }
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MessageBox.Show("textBox2_Validating");
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}
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private void textBox3_Validating(object sender, CancelEventArgs e)
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{
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if (!CausesValidationItem(sender)) { return; }
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MessageBox.Show("textBox3_Validating");
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}
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private void textBox4_Validating(object sender, CancelEventArgs e)
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{
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if (!CausesValidationItem(sender)) { return; }
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MessageBox.Show("textBox4_Validating");
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}
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private void textBox5_Validating(object sender, CancelEventArgs e)
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{
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System.Diagnostics.Debug.WriteLine("Raise textBox5_Validating ");
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if (!CausesValidationItem(sender)) { return; }
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MessageBox.Show("textBox5_Validating");
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}
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private void button2_Click(object sender, EventArgs e)
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{
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//Focus時、前のコントロールのValidatingを一旦止める
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this.Close(); //この時点、ボタンをフォーカスを離れるので、前のコントロールのValidatingを再度走る
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}
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private void button1_Click(object sender, EventArgs e)
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{
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MessageBox.Show("button1_Click");
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}
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private void FormValid_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.F1)
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{
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this.ActiveControl = button1;
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button1.PerformClick();
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}
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else if (e.KeyCode == Keys.F12)
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{
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this.ActiveControl = button2;
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button2.PerformClick();
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}
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}
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protected override void WndProc(ref Message m)
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{
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//Console.WriteLine(m.Msg);
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const int WM_SYSCOMMAND = 0x0112;
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const int SC_CLOSE = 0xF060;
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if (m.Msg == WM_SYSCOMMAND && (int)m.WParam == SC_CLOSE)
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{
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//windowsの×ボタンを押すとき
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this.ActiveControl = button2;
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}
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base.WndProc(ref m);
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}
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private void FormValid_FormClosing(object sender, FormClosingEventArgs e)
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{
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//コントロールのValidatingの後
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this.ActiveControl = button2;
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}
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private void textBox5_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
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{
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switch(e.KeyCode)
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{
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case Keys.Tab:
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//enterや、tabでボタンへフォーカスする時、まだ終了していないので、チェックすることは望ましい
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textBox5_Validating(sender, new CancelEventArgs());
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e.IsInputKey = false;
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break;
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}
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}
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private void textBox5_Enter(object sender, EventArgs e)
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{
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textBox5.BackColor = Color.Cyan;
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}
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private void textBox5_Leave(object sender, EventArgs e)
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{
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textBox5.BackColor = Color.White;
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}
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private void textBox4_Enter(object sender, EventArgs e)
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{
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textBox4.BackColor = Color.Cyan;
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}
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private void textBox4_Leave(object sender, EventArgs e)
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{
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textBox4.BackColor = Color.White;
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}
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private void textBox1_Enter(object sender, EventArgs e)
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{
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textBox1.BackColor = Color.Cyan;
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}
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private void textBox1_Leave(object sender, EventArgs e)
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{
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textBox1.BackColor = Color.White;
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}
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}
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}
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