private SelectionCommandVisibilityBindingUtil.PropertyStatus GetPropertyStatus()
{
SelectionCommandVisibilityBindingUtil.PropertyStatus result = SelectionCommandVisibilityBindingUtil.PropertyStatus.None;
IEnumerator enumerator = this.DataListViewResultPane.SelectedObjects.GetEnumerator();
if (enumerator.MoveNext())
{
PropertyDescriptor propertyDescriptor = TypeDescriptor.GetProperties(enumerator.Current)[this.PropertyName];
if (propertyDescriptor != null)
{
object propertyValue = WinformsHelper.GetPropertyValue(enumerator.Current, propertyDescriptor);
result = (object.Equals(propertyValue, this.TrueValue) ? SelectionCommandVisibilityBindingUtil.PropertyStatus.True : SelectionCommandVisibilityBindingUtil.PropertyStatus.False);
while (enumerator.MoveNext())
{
object component = enumerator.Current;
object propertyValue2 = WinformsHelper.GetPropertyValue(component, propertyDescriptor);
if (!object.Equals(propertyValue, propertyValue2))
{
result = SelectionCommandVisibilityBindingUtil.PropertyStatus.None;
break;
}
}
}
}
return(result);
}
protected override void UpdateCommand()
{
if (!string.IsNullOrEmpty(this.PropertyName))
{
SelectionCommandVisibilityBindingUtil.PropertyStatus propertyStatus = this.GetPropertyStatus(this.AllowMixedValues);
base.Command.Visible = ((propertyStatus & SelectionCommandVisibilityBindingUtil.PropertyStatus.True) == SelectionCommandVisibilityBindingUtil.PropertyStatus.True);
}
}
private SelectionCommandVisibilityBindingUtil.PropertyStatus GetPropertyStatus(bool allowMixedValues)
{
if (!allowMixedValues)
{
return(this.GetPropertyStatus());
}
SelectionCommandVisibilityBindingUtil.PropertyStatus propertyStatus = SelectionCommandVisibilityBindingUtil.PropertyStatus.None;
foreach (object component in this.DataListViewResultPane.SelectedObjects)
{
PropertyDescriptor propertyDescriptor = TypeDescriptor.GetProperties(component)[this.PropertyName];
if (propertyDescriptor != null)
{
object propertyValue = WinformsHelper.GetPropertyValue(component, propertyDescriptor);
propertyStatus |= (object.Equals(propertyValue, this.TrueValue) ? SelectionCommandVisibilityBindingUtil.PropertyStatus.True : SelectionCommandVisibilityBindingUtil.PropertyStatus.False);
if (propertyStatus == SelectionCommandVisibilityBindingUtil.PropertyStatus.TrueAndFalse)
{
break;
}
}
}
return(propertyStatus);
}