回答編集履歴
2
メソッド化
test
CHANGED
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@@ -84,7 +84,7 @@
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{
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-
//
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// Panel配下のボタンを不活性
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foreach(var control in group.Controls)
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@@ -98,29 +98,47 @@
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// SubFormのクローズを購読
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-
subForm.FormClosed += Closed;
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subForm.FormClosed += SubForm_FormClosed;
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// PanelをTagに入れて覚えておく
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subForm.Tag = group;
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subForm.Show();
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}
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// クローズ時にPanel配下のボタンを戻す
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private static void SubForm_FormClosed(object sender, FormClosedEventArgs e)
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{
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// senderはSubForm自身
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if(sender is Form subForm)
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{
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// PanelをTagから取り出す
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subForm.
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if(subForm.Tag is Panel group)
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foreach(var control in group.Controls)
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{
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foreach(var control in group.Controls)
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{
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if(control is Button button)
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if(control is Button button)
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button.Enabled = true;
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button.Enabled = true;
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}
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}
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1
コード追記
test
CHANGED
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@@ -1,3 +1,457 @@
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1
1
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`Application.Run(Form1.GetInstance());`
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3
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こうしてください。
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---
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11
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今の状況というか問題点は、
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1. メインフォームとサブフォーム1-13は既にできていて、動作自体に問題はない
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2. サブフォームを排他的（どれか一つだけしか開けないよう）に改造しようとしている
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3. その際地道にやれば（コメントアウトのコード）できることはわかっている
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4. しかし１３個はだるいし、もっといい方法がありそうに思える
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ってことですよね？（実際2個目くらいでもうだるかったです^^;
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自分だったらこうするかなぁ？ってコードです。
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`button1_Click`もまとめてもよさそうですが、行数も減りそうにないのでそのまま。
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Form1.cs
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```C#
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Questions293390
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46
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47
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{
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public partial class Form1 : Form
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{
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// シングルトンの必要はないかもしれないが、どうせSubFormからForm1をいじりたくなりますよね？
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public static Form1 Instance { get; } = new Form1();
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private Form1() => InitializeComponent();
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private void button1_Click(object sender, EventArgs e)
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=> ShowSubForm(new SubForm1(), panel1);
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private void button2_Click(object sender, EventArgs e)
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=> ShowSubForm(new SubForm2(), panel1);
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private void button3_Click(object sender, EventArgs e)
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77
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=> ShowSubForm(new SubForm3(), panel1);
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81
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// class Commonにあっても別に構わない
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83
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private static void ShowSubForm(Form subForm, Panel group)
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84
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{
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86
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87
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// group配下のボタンを不活性
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88
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89
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foreach(var control in group.Controls)
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90
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{
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if(control is Button button)
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95
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button.Enabled = false;
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}
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98
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subForm.FormClosed += Closed;
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103
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subForm.Show();
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104
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105
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106
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107
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// クローズ時にgroup配下のボタンを活性に戻す
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108
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109
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void Closed(object sender, FormClosedEventArgs e)
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{
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subForm.FormClosed -= Closed;
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foreach(var control in group.Controls)
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{
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if(control is Button button)
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button.Enabled = true;
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}
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}
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}
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}
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// SubFormではFormClosed等のイベントを書く必要がなくて楽々という意味
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// 実際は普通に作る
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public class SubForm1 : Form
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{
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public SubForm1() { Text = "SubForm1"; ClientSize = new Size(300, 200); }
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}
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public class SubForm2 : Form
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148
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{
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public SubForm2() { Text = "SubForm2"; ClientSize = new Size(300, 200); }
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153
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}
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public class SubForm3 : Form
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156
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157
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{
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public SubForm3() { Text = "SubForm3"; ClientSize = new Size(300, 200); }
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}
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}
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```
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169
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Form1.Designer.cs
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170
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171
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```C#
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172
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173
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namespace Questions293390
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174
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175
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{
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partial class Form1
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{
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181
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/// <summary>
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182
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183
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/// 必要なデザイナー変数です。
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184
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185
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/// </summary>
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private System.ComponentModel.IContainer components = null;
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191
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/// <summary>
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192
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193
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/// 使用中のリソースをすべてクリーンアップします。
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194
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195
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+
/// </summary>
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196
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197
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/// <param name="disposing">マネージド リソースを破棄する場合は true を指定し、その他の場合は false を指定します。</param>
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198
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199
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protected override void Dispose(bool disposing)
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200
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201
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{
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202
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203
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if(disposing && (components != null))
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205
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{
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207
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components.Dispose();
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208
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209
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}
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210
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211
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base.Dispose(disposing);
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212
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213
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}
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214
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215
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216
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217
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#region Windows フォーム デザイナーで生成されたコード
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218
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219
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220
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221
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/// <summary>
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222
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223
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/// デザイナー サポートに必要なメソッドです。このメソッドの内容を
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224
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+
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225
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/// コード エディターで変更しないでください。
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226
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227
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/// </summary>
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228
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229
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private void InitializeComponent()
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230
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231
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{
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232
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233
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this.button1 = new System.Windows.Forms.Button();
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234
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+
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235
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this.button2 = new System.Windows.Forms.Button();
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236
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237
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+
this.button3 = new System.Windows.Forms.Button();
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238
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239
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+
this.panel1 = new System.Windows.Forms.Panel();
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240
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+
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241
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+
this.otherButton = new System.Windows.Forms.Button();
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242
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243
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this.label1 = new System.Windows.Forms.Label();
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244
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245
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this.panel1.SuspendLayout();
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246
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247
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this.SuspendLayout();
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248
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249
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+
//
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250
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+
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251
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// button1
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252
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253
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//
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254
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255
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+
this.button1.Location = new System.Drawing.Point(5, 34);
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256
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+
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257
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this.button1.Name = "button1";
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258
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259
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+
this.button1.Size = new System.Drawing.Size(75, 23);
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260
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+
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261
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+
this.button1.TabIndex = 0;
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262
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263
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this.button1.Text = "button1";
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264
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+
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265
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+
this.button1.UseVisualStyleBackColor = true;
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266
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267
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+
this.button1.Click += new System.EventHandler(this.button1_Click);
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268
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269
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//
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270
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271
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// button2
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272
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273
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+
//
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274
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+
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275
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+
this.button2.Location = new System.Drawing.Point(5, 63);
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276
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+
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277
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+
this.button2.Name = "button2";
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278
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+
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279
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+
this.button2.Size = new System.Drawing.Size(75, 23);
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280
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281
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this.button2.TabIndex = 1;
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282
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+
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283
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+
this.button2.Text = "button2";
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284
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+
|
|
285
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+
this.button2.UseVisualStyleBackColor = true;
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286
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+
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287
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+
this.button2.Click += new System.EventHandler(this.button2_Click);
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288
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+
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289
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+
//
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|
290
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+
|
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291
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+
// button3
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292
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+
|
|
293
|
+
//
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294
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+
|
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295
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+
this.button3.Location = new System.Drawing.Point(5, 92);
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296
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+
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297
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+
this.button3.Name = "button3";
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298
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+
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299
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+
this.button3.Size = new System.Drawing.Size(75, 23);
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300
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+
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301
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+
this.button3.TabIndex = 2;
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302
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+
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303
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+
this.button3.Text = "button3";
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304
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+
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305
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+
this.button3.UseVisualStyleBackColor = true;
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306
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+
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307
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+
this.button3.Click += new System.EventHandler(this.button3_Click);
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308
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+
|
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309
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+
//
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310
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+
|
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311
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+
// panel1
|
|
312
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+
|
|
313
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+
//
|
|
314
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+
|
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315
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+
this.panel1.Controls.Add(this.label1);
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316
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+
|
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317
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+
this.panel1.Controls.Add(this.button3);
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318
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+
|
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319
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+
this.panel1.Controls.Add(this.button1);
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|
320
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+
|
|
321
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+
this.panel1.Controls.Add(this.button2);
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322
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+
|
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323
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+
this.panel1.Location = new System.Drawing.Point(153, 136);
|
|
324
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+
|
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325
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+
this.panel1.Name = "panel1";
|
|
326
|
+
|
|
327
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+
this.panel1.Size = new System.Drawing.Size(112, 125);
|
|
328
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+
|
|
329
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+
this.panel1.TabIndex = 3;
|
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330
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+
|
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331
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+
//
|
|
332
|
+
|
|
333
|
+
// otherButton
|
|
334
|
+
|
|
335
|
+
//
|
|
336
|
+
|
|
337
|
+
this.otherButton.Location = new System.Drawing.Point(538, 54);
|
|
338
|
+
|
|
339
|
+
this.otherButton.Name = "otherButton";
|
|
340
|
+
|
|
341
|
+
this.otherButton.Size = new System.Drawing.Size(75, 23);
|
|
342
|
+
|
|
343
|
+
this.otherButton.TabIndex = 4;
|
|
344
|
+
|
|
345
|
+
this.otherButton.Text = "otherButton";
|
|
346
|
+
|
|
347
|
+
this.otherButton.UseVisualStyleBackColor = true;
|
|
348
|
+
|
|
349
|
+
//
|
|
350
|
+
|
|
351
|
+
// label1
|
|
352
|
+
|
|
353
|
+
//
|
|
354
|
+
|
|
355
|
+
this.label1.AutoSize = true;
|
|
356
|
+
|
|
357
|
+
this.label1.Location = new System.Drawing.Point(3, 10);
|
|
358
|
+
|
|
359
|
+
this.label1.Name = "label1";
|
|
360
|
+
|
|
361
|
+
this.label1.Size = new System.Drawing.Size(35, 12);
|
|
362
|
+
|
|
363
|
+
this.label1.TabIndex = 3;
|
|
364
|
+
|
|
365
|
+
this.label1.Text = "label1";
|
|
366
|
+
|
|
367
|
+
//
|
|
368
|
+
|
|
369
|
+
// Form1
|
|
370
|
+
|
|
371
|
+
//
|
|
372
|
+
|
|
373
|
+
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
|
|
374
|
+
|
|
375
|
+
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
|
|
376
|
+
|
|
377
|
+
this.ClientSize = new System.Drawing.Size(800, 450);
|
|
378
|
+
|
|
379
|
+
this.Controls.Add(this.otherButton);
|
|
380
|
+
|
|
381
|
+
this.Controls.Add(this.panel1);
|
|
382
|
+
|
|
383
|
+
this.Name = "Form1";
|
|
384
|
+
|
|
385
|
+
this.Text = "Form1";
|
|
386
|
+
|
|
387
|
+
this.panel1.ResumeLayout(false);
|
|
388
|
+
|
|
389
|
+
this.panel1.PerformLayout();
|
|
390
|
+
|
|
391
|
+
this.ResumeLayout(false);
|
|
392
|
+
|
|
393
|
+
|
|
394
|
+
|
|
395
|
+
}
|
|
396
|
+
|
|
397
|
+
|
|
398
|
+
|
|
399
|
+
#endregion
|
|
400
|
+
|
|
401
|
+
private System.Windows.Forms.Label label1;
|
|
402
|
+
|
|
403
|
+
private System.Windows.Forms.Button otherButton;
|
|
404
|
+
|
|
405
|
+
private System.Windows.Forms.Button button1;
|
|
406
|
+
|
|
407
|
+
private System.Windows.Forms.Button button2;
|
|
408
|
+
|
|
409
|
+
private System.Windows.Forms.Button button3;
|
|
410
|
+
|
|
411
|
+
private System.Windows.Forms.Panel panel1;
|
|
412
|
+
|
|
413
|
+
}
|
|
414
|
+
|
|
415
|
+
}
|
|
416
|
+
|
|
417
|
+
```
|
|
418
|
+
|
|
419
|
+
|
|
420
|
+
|
|
421
|
+
Program.cs
|
|
422
|
+
|
|
423
|
+
```C#
|
|
424
|
+
|
|
425
|
+
using System;
|
|
426
|
+
|
|
427
|
+
using System.Windows.Forms;
|
|
428
|
+
|
|
429
|
+
|
|
430
|
+
|
|
431
|
+
namespace Questions293390
|
|
432
|
+
|
|
433
|
+
{
|
|
434
|
+
|
|
435
|
+
static class Program
|
|
436
|
+
|
|
437
|
+
{
|
|
438
|
+
|
|
439
|
+
[STAThread]
|
|
440
|
+
|
|
441
|
+
static void Main()
|
|
442
|
+
|
|
443
|
+
{
|
|
444
|
+
|
|
445
|
+
Application.EnableVisualStyles();
|
|
446
|
+
|
|
447
|
+
Application.SetCompatibleTextRenderingDefault(false);
|
|
448
|
+
|
|
449
|
+
Application.Run(Form1.Instance);
|
|
450
|
+
|
|
451
|
+
}
|
|
452
|
+
|
|
453
|
+
}
|
|
454
|
+
|
|
455
|
+
}
|
|
456
|
+
|
|
457
|
+
```
|