private static void NotifyPropertyChanged(
EditContext editContext,
object instance,
string propertyName)
{
if (GetFieldStateMethod == null)
{
GetFieldStateMethod = editContext.GetType().GetMethod(
"GetFieldState",
BindingFlags.NonPublic | BindingFlags.Instance);
}
var fieldIdentifier = new FieldIdentifier(instance, propertyName);
object fieldState = GetFieldStateMethod.Invoke(editContext, new object[] { fieldIdentifier });
if (IsModifiedProperty == null && fieldState != null)
{
IsModifiedProperty = fieldState.GetType().GetProperty(
"IsModified",
BindingFlags.Public | BindingFlags.Instance);
object originalIsModified = IsModifiedProperty?.GetValue(fieldState);
editContext.NotifyFieldChanged(fieldIdentifier);
IsModifiedProperty?.SetValue(fieldState, originalIsModified);
}
}
private static void EnsureGetFieldStateMethod(EditContext editContext)
{
#if (NETSTANDARD2_0 || NETSTANDARD2_1)
var methodname = "GetFieldState";
#elif (NET5_0)
var methodname = "GetOrAddFieldState";
#endif
if (GetFieldStateMethod == null)
{
GetFieldStateMethod = editContext.GetType().GetMethod(methodname,
BindingFlags.NonPublic | BindingFlags.Instance);
}
}