using System; using System.Drawing; using System.IO; using System.Reflection; using System.Windows.Forms; namespace Mesnac.Controls.Feeding { /// /// 除尘 /// [ToolboxBitmap( typeof( Dedust ) , "ICONS.Dedust.bmp" )]//新添加的代码 public partial class Dedust : FeedingControl { bool bNewPic = false; string _statusName; public string StatusName { get { return _statusName; } set { _statusName = value; } } public enum Statuses { zsTurnOff = 0, zsTurnOn = 1, zsAlarm = 2 } Statuses _status; string[] sImages; public Dedust():base() { InitializeComponent(); Init(); ReloadStream(); } protected override void Init() { base.Init(); _imageStream = null; sImages = new string[3]; sImages[ 0 ] = "Mesnac.Controls.Feeding.Resources.Dedust.Dedust1.png";//off sImages[ 1 ] = "Mesnac.Controls.Feeding.Resources.Dedust.Dedust0.png";//on sImages[ 2 ] = "Mesnac.Controls.Feeding.Resources.Dedust.Dedust2.png";//alarm _status = Statuses.zsTurnOff; } private void ReloadStream() { //CloseStream(); int nIndex = (int)_status; _imageStream = _assembly.GetManifestResourceStream(sImages[nIndex]); } public Statuses Status { get { return _status; } set { if (bFirstCreated == true) { bFirstCreated = false; } bool flag = false; //if (_status != value &&(this.Size.Width != 150 || this.Size.Height != 150) ) if ( _status != value ) { flag = true; if (this.DesignMode == true) { bNewPic = true; } } if ( (int)value < 0 ) { _status = (Statuses)0; } else if ( (int)value > 2 ) { _status = (Statuses)2; } else { _status = value; } if (flag) { ReloadStream(); this.Refresh(); } } } protected override void OnPaint(PaintEventArgs e) { if (_imageStream != null) { Graphics g = e.Graphics; Image img = Image.FromStream(_imageStream); if (bNewPic == true) { this.Size = img.Size; bNewPic = false; } g.DrawImage(img, 0, 0, this.Width, this.Height); } } private void Dedust_Load(object sender, EventArgs e) { if (bFirstCreated == true && this.DesignMode == true) { bNewPic = true; bFirstCreated = false; } } } }