public override object EditValue(
ITypeDescriptorContext context,
IServiceProvider provider,
object value)
{
//use IWindowsFormsEditorService object to display a control in the dropdown area
IWindowsFormsEditorService frmsvr = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (frmsvr == null)
{
return(null);
}
SliderPropertyEditor slider = new SliderPropertyEditor();
slider.editorService = frmsvr;
slider.contextDescriptor = context;
slider.isDecimalValue = false;
slider.trackLimits = new Point(0, 100);
PropertyDescriptor propertydesc = null;
if (context.PropertyDescriptor.Attributes.Count == 0)
{
System.Type propertyType = context.PropertyDescriptor.GetType();
System.Reflection.FieldInfo fieldInfo = propertyType.GetField(
"descriptors",
System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance
);
PropertyDescriptor[] descriptors =
(PropertyDescriptor[])(fieldInfo.GetValue(context.PropertyDescriptor));
propertydesc = descriptors[0];
}
else
{
propertydesc = context.PropertyDescriptor;
}
foreach (Attribute att in propertydesc.Attributes)
{
if (att is AmbientValueAttribute)
{
AmbientValueAttribute tempAmbiantAttribute = att as AmbientValueAttribute;
if (tempAmbiantAttribute.Value is string)
{
string paramStr = tempAmbiantAttribute.Value as string;
string[] splittedParams = paramStr.Split('/');
//Treat Type
if (splittedParams[0].Equals("float"))
{
slider.isFloatValue = true;
}
else if (splittedParams[0].Equals("decimal"))
{
slider.isDecimalValue = true;
}
//Treat Limits
string strMin = splittedParams[1].Split(',')[0];
int min = 0;
int.TryParse(strMin, out min);
string strMax = splittedParams[1].Split(',')[1];
int max = 0;
int.TryParse(strMax, out max);
slider.trackLimits = new Point(min, max);
break;
}
}
}
slider.trackBar.Minimum = slider.trackLimits.X;
slider.trackBar.Maximum = slider.trackLimits.Y;
if (context.PropertyDescriptor.Attributes.Count == 0)
{
if (slider.isDecimalValue == true || slider.isFloatValue == true)
{
int defaultValue = (slider.trackBar.Minimum + slider.trackBar.Maximum) / 2;
defaultValue = Convert.ToInt32(Convert.ToDouble(defaultValue) * 100);
slider.trackBar.Value = defaultValue;
slider.trackBar.TickFrequency = 10;
}
else
{
int defaultValue = (slider.trackBar.Minimum + slider.trackBar.Maximum) / 2;
slider.trackBar.Value = defaultValue;
}
}
else
{
if (slider.isDecimalValue == true || slider.isFloatValue == true)
{
int currentValue = Convert.ToInt32(Convert.ToDouble(value) * 100);
slider.trackBar.Value = currentValue;
slider.trackBar.TickFrequency = 10;
}
else
{
int currentValue = Convert.ToInt32(value);
slider.trackBar.Value = currentValue;
}
}
frmsvr.DropDownControl(slider);
if (slider.isDecimalValue == true)
{
decimal finalValue = (decimal)((float)slider.trackBar.Value / 100.0f);
slider.Dispose();
return(finalValue);
}
else if (slider.isFloatValue == true)
{
float finalValue = (float)slider.trackBar.Value / 100.0f;
slider.Dispose();
return(finalValue);
}
else
{
int finalValue = slider.trackBar.Value;
slider.Dispose();
return(finalValue);
}
}
public override object EditValue(
ITypeDescriptorContext context,
IServiceProvider provider,
object value)
{
//use IWindowsFormsEditorService object to display a control in the dropdown area
IWindowsFormsEditorService frmsvr = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (frmsvr == null)
return null;
SliderPropertyEditor slider = new SliderPropertyEditor();
slider.editorService = frmsvr;
slider.contextDescriptor = context;
slider.isDecimalValue = false;
slider.trackLimits = new Point(0, 100);
PropertyDescriptor propertydesc = null;
if (context.PropertyDescriptor.Attributes.Count == 0)
{
System.Type propertyType = context.PropertyDescriptor.GetType();
System.Reflection.FieldInfo fieldInfo = propertyType.GetField(
"descriptors",
System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance
);
PropertyDescriptor[] descriptors =
(PropertyDescriptor[])(fieldInfo.GetValue(context.PropertyDescriptor));
propertydesc = descriptors[0];
}
else
propertydesc = context.PropertyDescriptor;
foreach (Attribute att in propertydesc.Attributes)
{
if (att is AmbientValueAttribute)
{
AmbientValueAttribute tempAmbiantAttribute = att as AmbientValueAttribute;
if (tempAmbiantAttribute.Value is string)
{
string paramStr = tempAmbiantAttribute.Value as string;
string[] splittedParams = paramStr.Split('/');
//Treat Type
if (splittedParams[0].Equals("float"))
slider.isFloatValue = true;
else if (splittedParams[0].Equals("decimal"))
slider.isDecimalValue = true;
//Treat Limits
string strMin = splittedParams[1].Split(',')[0];
int min = 0;
int.TryParse(strMin, out min);
string strMax = splittedParams[1].Split(',')[1];
int max = 0;
int.TryParse(strMax, out max);
slider.trackLimits = new Point(min, max);
break;
}
}
}
slider.trackBar.Minimum = slider.trackLimits.X;
slider.trackBar.Maximum = slider.trackLimits.Y;
if (context.PropertyDescriptor.Attributes.Count == 0)
{
if (slider.isDecimalValue == true || slider.isFloatValue == true)
{
int defaultValue = (slider.trackBar.Minimum + slider.trackBar.Maximum) / 2;
defaultValue = Convert.ToInt32(Convert.ToDouble(defaultValue) * 100);
slider.trackBar.Value = defaultValue;
slider.trackBar.TickFrequency = 10;
}
else
{
int defaultValue = (slider.trackBar.Minimum + slider.trackBar.Maximum) / 2;
slider.trackBar.Value = defaultValue;
}
}
else
{
if (slider.isDecimalValue == true || slider.isFloatValue == true)
{
int currentValue = Convert.ToInt32(Convert.ToDouble(value) * 100);
slider.trackBar.Value = currentValue;
slider.trackBar.TickFrequency = 10;
}
else
{
int currentValue = Convert.ToInt32(value);
slider.trackBar.Value = currentValue;
}
}
frmsvr.DropDownControl(slider);
if (slider.isDecimalValue == true)
{
decimal finalValue = (decimal)((float)slider.trackBar.Value / 100.0f);
slider.Dispose();
return finalValue;
}
else if (slider.isFloatValue == true)
{
float finalValue = (float)slider.trackBar.Value / 100.0f;
slider.Dispose();
return finalValue;
}
else
{
int finalValue = slider.trackBar.Value;
slider.Dispose();
return finalValue;
}
}
