public void RaiseCanExecuteChanged()
{
if (this.Dispatcher != null) // to exclude errors in Design mode
{
CanExecuteChangedInternal.Raise(this);
}
}
public void OnCanExecuteChanged()
{
if (_synchronizationContext != null)
{
_synchronizationContext.Post(new SendOrPostCallback((o) => {
CanExecuteChangedInternal?.Invoke(this, EventArgs.Empty);
}), null);
}
else
{
CanExecuteChangedInternal?.Invoke(this, EventArgs.Empty);
}
}
async public Task ExecuteAsync(object parameter)
{
_isexecuted = true;
CanExecuteChangedInternal.Raise(this);
try
{
await _executeAsync(parameter);
}
finally
{
_isexecuted = false;
CanExecuteChangedInternal.Raise(this);
}
}
async public void Execute(object parameter)
{
_isexecuted = true;
CanExecuteChangedInternal.Raise(this);
try
{
if (_execute != null)
{
_execute(parameter);
}
else
{
await _executeAsync(parameter);
}
}
finally
{
_isexecuted = false;
CanExecuteChangedInternal.Raise(this);
}
}
public void OnCanExecuteChanged()
{
CanExecuteChangedInternal?.Invoke(this, new EventArgs());
}
// ReSharper disable once UnusedMember.Global
public void RaiseCanExecuteChanged()
{
CanExecuteChangedInternal?.Invoke(this, EventArgs.Empty);
}
public void RaiseCanExecuteChanged()
{
CanExecuteChangedInternal.Raise(this);
}
public void OnCanExecuteChanged()
{
//DispatcherHelper.BeginInvokeOnUIThread(() => handler.Invoke(this, EventArgs.Empty));
CanExecuteChangedInternal?.Invoke(this, EventArgs.Empty);
}
/// <summary> /// Trigger event that on execute has changed. /// </summary> public void OnCanExecuteChanged() => CanExecuteChangedInternal?.Invoke(this, EventArgs.Empty);
public void RaiseCanExecuteChanged()
{
CanExecuteChangedInternal.Invoke(this, null);
/*CanExecuteChangedInternal.Raise(this);*/
}