/// <summary>
/// Initializes the NumberColumn with default values
/// </summary>
private void Init()
{
this.Format = "G";
this.numberColumnType = NumberColumnType.DECIMAL;
this.maximum = (decimal)100;
this.minimum = (decimal)0;
this.increment = (decimal)1;
this.showUpDownButtons = false;
this.upDownAlignment = LeftRightAlignment.Right;
}
/// <summary>
/// Initializes a new instance of the NumberCellEditor class with default settings
/// </summary>
public I3NumberCellEditor()
{
TextBox textbox = new TextBox();
textbox.AutoSize = false;
textbox.BorderStyle = BorderStyle.None;
this.Control = textbox;
this.numberColumnType = NumberColumnType.DECIMAL;
this.currentValue = new decimal(0);
this.increment = new decimal(1);
this.minimum = new decimal(0);
this.maximum = new decimal(100);
this.format = "G";
this.wheelDelta = 0;
this.interceptArrowKeys = true;
this.userEdit = false;
this.changingText = false;
this.buttonBounds = Rectangle.Empty;
this.buttonID = 0;
this.interval = TimerInterval;
}
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
object result = base.ConvertFrom(context, culture, value);
if (result is double)
{
if (context.Instance == null || context.Instance.GetType() != context.PropertyDescriptor.ComponentType)
{
throw new Exception("the NumberConvert is only work for single object");
}
object source = context.Instance;
PropertyInfo property = context.PropertyDescriptor.ComponentType.GetProperty(context.PropertyDescriptor.Name);
if (property != null)
{
object propertyValue = property.GetValue(source, null);
if (propertyValue != null)
{
Type propertyType = propertyValue.GetType();
NumberColumnType numberColumnType = NumberColumnTypeHelper.GetNumberColumnType(propertyType);
switch (numberColumnType)
{
case NumberColumnType.SBYTE:
return(Convert.ToSByte((double)result));
case NumberColumnType.BYTE:
return(Convert.ToByte((double)result));
case NumberColumnType.SHORT:
return(Convert.ToInt16((double)result));
case NumberColumnType.USHORT:
return(Convert.ToUInt16((double)result));
case NumberColumnType.INT:
return(Convert.ToInt32((double)result));
case NumberColumnType.UINT:
return(Convert.ToUInt32((double)result));
case NumberColumnType.LONG:
return(Convert.ToInt64((double)result));
case NumberColumnType.ULONG:
return(Convert.ToUInt64((double)result));
case NumberColumnType.FLOAT:
return(Convert.ToSingle((double)result));
case NumberColumnType.DOUBLE:
return((double)result);
case NumberColumnType.DECIMAL:
return(Convert.ToDecimal((double)result));
default:
return(Convert.ToDecimal((double)result));
}
}
}
}
return(result);
}
