/// <summary>Launches the design-time editor for the property of the component behind a designer.</summary>
/// <param name="designer">The designer for a component.</param>
/// <param name="propName">The name of the property to edit. If this value is null, the default property for the object is used.</param>
/// <param name="objectToChange">The object on which to edit the property. If this value is null, the Component property of the designer is used.</param>
/// <returns>The new value returned by the editor.</returns>
public static object EditValue(this ComponentDesigner designer, string propName, object objectToChange = null)
{
if (objectToChange == null)
{
objectToChange = designer.Component;
}
var prop = (propName == null) ? TypeDescriptor.GetDefaultProperty(objectToChange) : TypeDescriptor.GetProperties(objectToChange)[propName];
if (prop == null)
{
throw new ArgumentException("Unable to retrieve specified property.");
}
var context = new EditorServiceContext(designer, prop);
var editor = prop.GetEditor(typeof(UITypeEditor)) as UITypeEditor;
var curVal = prop.GetValue(objectToChange);
var newVal = editor?.EditValue(context, context, curVal);
if (newVal != curVal)
{
try { prop.SetValue(objectToChange, newVal); }
catch (CheckoutException) { }
}
return(newVal);
}
/// <summary>Shows a form tied to a designer.</summary>
/// <param name="designer">The designer for a component.</param>
/// <param name="dialog">A form instance.</param>
/// <returns>The result of calling ShowDialog on the form.</returns>
public static DialogResult ShowDialog(this ComponentDesigner designer, Form dialog)
{
var context = new EditorServiceContext(designer);
return(context.ShowDialog(dialog));
}
