wsRoundButton

原创于 2015-02-24 18:00:28 发布 · 555 阅读

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本文介绍了一个自定义 Windows Forms 控件 wsRoundButton 的实现细节。该控件通过枚举状态来改变背景图像，共有八种不同的状态，每种状态对应特定的图像资源。文章还提供了控件初始化设置的方法。

using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Windows.Forms;

namespace wsControls
{
    [ToolboxItem(true), ToolboxBitmap(typeof(System.Windows.Forms.Panel))]
    public class wsRoundButton:Panel
    {
        wsRoundButtonStatus status = wsRoundButtonStatus.NONE;
        public wsRoundButtonStatus wsRoundButtonStatus
        {
            get { return status; }
            set
            {
                status = value;
                switch (status)
                {
                    case wsControls.wsRoundButtonStatus.NONE:
                        BackgroundImage = null;
                        break;
                    case wsControls.wsRoundButtonStatus.CYCLE:
                        BackgroundImage = (Image)Properties.Resources.Cycle;
                        break;
                    case wsControls.wsRoundButtonStatus.ERROR:
                        BackgroundImage = (Image)Properties.Resources.Error;
                        break;
                    case wsControls.wsRoundButtonStatus.GREEN:
                        BackgroundImage = (Image)Properties.Resources.Green;
                        break;
                    case wsControls.wsRoundButtonStatus.OK_BLUE:
                        BackgroundImage = (Image)Properties.Resources.BlueOk;
                        break;
                    case wsControls.wsRoundButtonStatus.OK_GREEN:
                        BackgroundImage = (Image)Properties.Resources.GreenOk;
                        break;
                    case wsControls.wsRoundButtonStatus.QUESTION:
                        BackgroundImage = (Image)Properties.Resources.Question;
                        break;
                    case wsControls.wsRoundButtonStatus.RED:
                        BackgroundImage = (Image)Properties.Resources.Red;
                        break;
                    case wsControls.wsRoundButtonStatus.SUPRIZE:
                        BackgroundImage = (Image)Properties.Resources.Suprize;
                        break;
                }
            }
        }

        public wsRoundButton()
        {
            this.Size = new Size(32, 32);
            BackgroundImageLayout = ImageLayout.Zoom;
        }

        
    }
    public enum wsRoundButtonStatus { OK_BLUE, OK_GREEN, ERROR, GREEN, CYCLE, QUESTION, RED, SUPRIZE, NONE }
}