C#

_mubashir wrote:

You can use public variable to which you can pass value

System.Diagnostics.Process.Start("C:\\Movies\\MyMovie.mpg");

[TypeConverter(typeof(ProgressStepConverter))]
public class ProgressStep
{
   public ProgressStep(Image image, string name, string description)
   {
      //...
   }

   //...
}

public class ProgressStepConverter : ExpandableObjectConverter
{	
   public override bool CanConvertTo(ITypeDescriptorContext context, Type destType) 
   {
      if (destType == typeof(InstanceDescriptor)) 
         return true;
      return base.CanConvertTo(context, destType);
   }

   public override object ConvertTo(ITypeDescriptorContext context, CultureInfo info, 
      object value, Type destType )
   {
      if (destType == typeof(InstanceDescriptor)) 
      {
         ProgressStep step = (ProgressStep)value;
         Type[] ctorTypes = new Type[] { typeof(Image), typeof(string), typeof(string) };
         object[] ctorParams = new object[] { step.Image, step.Name, step.Description };
         return new InstanceDescriptor(typeof(ProgressStep).GetConstructor(ctorTypes),
            ctorParams, true);
      }

      return base.ConvertTo(context, info, value, destType);
   }
}

bla.ProgressStep = new ExtendedPictureBoxLib.ProgressStep(
   null, "StepName", "Processing step \'{0}\' ({1}/{2})...")

Bitmap originalBitmap = new Bitmap("C:\\MyTiff.tif");
Bitmap newBitmap = new Bitmap(newWidth, newHeight);
using (Graphics g = Graphics.FromImage(newBitmap) {
   Rectangle destRect = new Rectangle(0, 0, newWidth, newHeight);
   Rectangle sourceRct = new Rectangle(offsetRight, offsetTop, newWidth, newHeight);
   g.DrawImage(originalBitmap, destRect, sourceRect);
}
newBitmap.Save("C:\\MyNewTiff.tif");

namespace MyCustomControls
{
    public class SpecialButton : Button
    {
        ArrayList skipTheseKeys;

        public SpecialButton() 
        {
             skipTheseKeys = new ArrayList();

             skipTheseKeys.Add(Keys.Space);   // ignore space for pressing 
             skipTheseKeys.Add(Keys.Tab);     // ignore tab forlosing focus
        }

        // override the ProcessCmdKey and handle specific key's yourself
        protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
        {
            if (skipTheseKeys.Contains(keyData))
                return true;  // we have succsesfully processed this key
            else
                return base.ProcessCmdKey(ref msg, keyData);   // let the buttonclass handle this key
        }
    }
}

protected internal static readonly ... and I wish the list could continue ...