WindowsGuiToolBase1

WindowsGUIツールのベース。ボタンクリックにより処理を実行し、処理状況をプログレスバーに表示。途中キャンセルを可能とする。

namespace ToolBaseType1
{
    partial class MainForm
    {
        /// <summary>
        /// 必要なデザイナ変数です。
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// 使用中のリソースをすべてクリーンアップします。
        /// </summary>
        /// <param name="disposing">マネージ リソースが破棄される場合 true、破棄されない場合は false です。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows フォーム デザイナで生成されたコード

        /// <summary>
        /// デザイナ サポートに必要なメソッドです。このメソッドの内容を
        /// コード エディタで変更しないでください。
        /// </summary>
        private void InitializeComponent()
        {
            this.btnExecute = new System.Windows.Forms.Button();
            this.listBox1 = new System.Windows.Forms.ListBox();
            this.statusStrip = new System.Windows.Forms.StatusStrip();
            this.tspbShintyokuritsu = new System.Windows.Forms.ToolStripProgressBar();
            this.tsslShinktyokuritsu = new System.Windows.Forms.ToolStripStatusLabel();
            this.btnCancel = new System.Windows.Forms.Button();
            this.tsslDummy = new System.Windows.Forms.ToolStripStatusLabel();
            this.statusStrip.SuspendLayout();
            this.SuspendLayout();
            // 
            // btnExecute
            // 
            this.btnExecute.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnExecute.Location = new System.Drawing.Point(213, 203);
            this.btnExecute.Name = "btnExecute";
            this.btnExecute.Size = new System.Drawing.Size(75, 23);
            this.btnExecute.TabIndex = 0;
            this.btnExecute.Text = "実行";
            this.btnExecute.UseVisualStyleBackColor = true;
            this.btnExecute.Click += new System.EventHandler(this.btnExecute_Click);
            // 
            // listBox1
            // 
            this.listBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.listBox1.FormattingEnabled = true;
            this.listBox1.ItemHeight = 12;
            this.listBox1.Location = new System.Drawing.Point(15, 13);
            this.listBox1.Name = "listBox1";
            this.listBox1.Size = new System.Drawing.Size(354, 184);
            this.listBox1.TabIndex = 4;
            // 
            // statusStrip
            // 
            this.statusStrip.AutoSize = false;
            this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.tsslDummy,
            this.tsslShinktyokuritsu,
            this.tspbShintyokuritsu});
            this.statusStrip.Location = new System.Drawing.Point(0, 229);
            this.statusStrip.Name = "statusStrip";
            this.statusStrip.Size = new System.Drawing.Size(381, 22);
            this.statusStrip.TabIndex = 5;
            this.statusStrip.Text = "statusStrip1";
            // 
            // tspbShintyokuritsu
            // 
            this.tspbShintyokuritsu.AutoSize = false;
            this.tspbShintyokuritsu.Name = "tspbShintyokuritsu";
            this.tspbShintyokuritsu.Size = new System.Drawing.Size(120, 16);
            // 
            // tsslShinktyokuritsu
            // 
            this.tsslShinktyokuritsu.AutoSize = false;
            this.tsslShinktyokuritsu.Name = "tsslShinktyokuritsu";
            this.tsslShinktyokuritsu.Size = new System.Drawing.Size(60, 17);
            this.tsslShinktyokuritsu.Text = "  0% 完了";
            this.tsslShinktyokuritsu.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
            // 
            // btnCancel
            // 
            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnCancel.Location = new System.Drawing.Point(294, 203);
            this.btnCancel.Name = "btnCancel";
            this.btnCancel.Size = new System.Drawing.Size(75, 23);
            this.btnCancel.TabIndex = 6;
            this.btnCancel.Text = "キャンセル";
            this.btnCancel.UseVisualStyleBackColor = true;
            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
            // 
            // tsslDummy
            // 
            this.tsslDummy.Name = "tsslDummy";
            this.tsslDummy.Size = new System.Drawing.Size(153, 17);
            this.tsslDummy.Spring = true;
            // 
            // MainForm
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(381, 251);
            this.Controls.Add(this.btnCancel);
            this.Controls.Add(this.statusStrip);
            this.Controls.Add(this.listBox1);
            this.Controls.Add(this.btnExecute);
            this.Name = "MainForm";
            this.Text = "ToolName";
            this.Load += new System.EventHandler(this.MainForm_Load);
            this.statusStrip.ResumeLayout(false);
            this.statusStrip.PerformLayout();
            this.ResumeLayout(false);

        }

        #endregion

        private System.Windows.Forms.Button btnExecute;
        private System.Windows.Forms.ListBox listBox1;
        private System.Windows.Forms.StatusStrip statusStrip;
        private System.Windows.Forms.ToolStripStatusLabel tsslShinktyokuritsu;
        private System.Windows.Forms.ToolStripProgressBar tspbShintyokuritsu;
        private System.Windows.Forms.Button btnCancel;
        private System.Windows.Forms.ToolStripStatusLabel tsslDummy;
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace ToolBaseType1
{
    public partial class MainForm : Form
    {
        BackgroundWorker bw = null;

        public MainForm()
        {
            InitializeComponent();
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            this.btnCancel.Enabled = false;
        }

        private void btnExecute_Click(object sender, EventArgs e)
        {
            this.listBox1.Items.Add("開始");
            this.btnExecute.Enabled = false;
            this.btnCancel.Enabled = true;

            this.bw = new BackgroundWorker();
            this.bw.WorkerReportsProgress = true;
            this.bw.WorkerSupportsCancellation = true;
            this.bw.DoWork += new DoWorkEventHandler(bw_DoWork);
            this.bw.ProgressChanged += new ProgressChangedEventHandler(bw_ProgressChanged);
            this.bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bw_RunWorkerCompleted);
            this.bw.RunWorkerAsync(100);
        }

        void bw_DoWork(object sender, DoWorkEventArgs e)
        {
            int bgWorkerArg = (int)e.Argument;
            BackgroundWorker worker = (BackgroundWorker)sender;

            for (int i = 0; i < bgWorkerArg; i++)
            {
                System.Threading.Thread.Sleep(100);
                
                int percentage = i * 100 / bgWorkerArg;
                worker.ReportProgress(percentage);

                if (worker.CancellationPending)
                {
                    e.Cancel = true;
                    return;
                }
            }
            
            worker.ReportProgress(100);

            e.Result = "完了";
        }

        void bw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            if (e.Cancelled)
            {
                this.listBox1.Items.Add("キャンセル");
                this.btnExecute.Enabled = true;
            }
            else
            {
                this.listBox1.Items.Add("完了");
                this.btnExecute.Enabled = true;
                this.btnCancel.Enabled = false;
            }
        }

        void bw_ProgressChanged(object sender, ProgressChangedEventArgs e)
        {
            this.tsslShinktyokuritsu.Text = string.Format("{0}% 完了", e.ProgressPercentage);
            this.tspbShintyokuritsu.Value = e.ProgressPercentage;
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            if (!this.btnExecute.Enabled)
            {
                this.btnCancel.Enabled = false;                   
                this.bw.CancelAsync();
            }
        }

    }
}