//- realy on SurfaceManager.ActiveDesignSurface
//- which effectively points to ACTIVE DesignSurface
public void ReloadComboBox() {
_bSuppressEvents = true;
try {
//- IDesignerEventService provides a global eventing mechanism for designer events. With this mechanism,
//- an application is informed when a designer becomes active. The service provides a collection of
//- designers and a single place where global objects, such as the Properties window, can monitor selection
//- change events.
IDesignerEventService des = (IDesignerEventService) SurfaceManager.GetService( typeof( IDesignerEventService ) );
if( null == des )
return;
IDesignerHost host = des.ActiveDesigner;
object selectedObj = pgrdPropertyGrid.SelectedObject;
if( null == selectedObj )
return; //- don't reload at all
//- get the name of the control selected from the comboBox
//- and if we are not able to get it then it's better to exit
string sName = string.Empty;
if( selectedObj is Form ) {
sName = ((Form) selectedObj).Name;
}
else if( selectedObj is Control ) {
sName = ((Control) selectedObj).Site.Name;
}
if( string.IsNullOrEmpty( sName ) )
return;
//- prepare the data for reloading the combobox (begin)
List<object> ctrlsToAdd = new List<object>();
string pgrdComboBox_Text = string.Empty;
try {
ComponentCollection ctrlsExisting = host.Container.Components;
Debug.Assert( 0 != ctrlsExisting.Count );
foreach( Component comp in ctrlsExisting ) {
string sItemText = TranslateComponentToName( comp );
ctrlsToAdd.Add( sItemText );
if( sName == comp.Site.Name )
pgrdComboBox_Text = sItemText;
}//end_foreach
}
catch( Exception ) {
return; //- (rollback)
}
//- update the combobox (commit)
pgrdComboBox.Items.Clear();
pgrdComboBox.Items.AddRange( ctrlsToAdd.ToArray() );
pgrdComboBox.Text = pgrdComboBox_Text;
}
finally {
_bSuppressEvents = false;
}
}
//- rely on SurfaceManager.ActiveDesignSurface
//- which effectively points to ACTIVE DesignSurface
private void OrientPropertyGridTowardsObject()
{
//- IDesignerEventService provides a global eventing mechanism for designer events. With this mechanism,
//- an application is informed when a designer becomes active. The service provides a collection of
//- designers and a single place where global objects, such as the Properties window, can monitor selection
//- change events.
IDesignerEventService des = (IDesignerEventService)SurfaceManager.GetService(typeof(IDesignerEventService));
if (null == des)
{
return;
}
IDesignerHost host = des.ActiveDesigner;
//- get the ISelectionService from the active Designsurface
//- and if we are not able to get it then it'sType better to exit
ISelectionService iSel = host.GetService(typeof(ISelectionService)) as ISelectionService;
if (iSel == null)
{
return;
}
//- get the name of the control selected from the comboBox
//- and if we are not able to get it then it's better to exit
string sName = pgrdComboBox.SelectedItem.ToString();
if (string.IsNullOrEmpty(sName))
{
return;
}
//- save the collection of objects currently selected
//- loop through the controls inside the current Designsurface
//- if we find the one selected into the comboBox then
//- use the ISelectionService to select it
//- (and this will select it into the PropertyGridHost)
ComponentCollection ctrlsExisting = host.Container.Components;
Debug.Assert(0 != ctrlsExisting.Count);
foreach (Component comp in ctrlsExisting)
{
string sItemText = TranslateComponentToName(comp);
if (sName == sItemText)
{
Component[] arr = { comp };
//- ISelectionService in action...
iSel.SetSelectedComponents(arr);
//this.SelectedObject = arr[0];
break;
}
}
}