private Guid GetPropertyPageGuid(System.Windows.Forms.NativeMethods.IPerPropertyBrowsing target, int dispid)
{
Guid guid;
if (target.MapPropertyToPage(dispid, out guid) == 0)
{
return(guid);
}
return(Guid.Empty);
}
internal static string GetDisplayString(System.Windows.Forms.NativeMethods.IPerPropertyBrowsing ppb, int dispid, ref bool success)
{
string[] pBstr = new string[1];
if (ppb.GetDisplayString(dispid, pBstr) == 0)
{
success = pBstr[0] != null;
return(pBstr[0]);
}
success = false;
return(null);
}
private void OnGetBaseAttributes(Com2PropertyDescriptor sender, GetAttributesEvent attrEvent)
{
System.Windows.Forms.NativeMethods.IPerPropertyBrowsing targetObject = sender.TargetObject as System.Windows.Forms.NativeMethods.IPerPropertyBrowsing;
if (targetObject != null)
{
bool flag = !Guid.Empty.Equals(this.GetPropertyPageGuid(targetObject, sender.DISPID));
if ((sender.CanShow && flag) && typeof(UnsafeNativeMethods.IDispatch).IsAssignableFrom(sender.PropertyType))
{
attrEvent.Add(BrowsableAttribute.Yes);
}
}
}
private void OnGetTypeConverterAndTypeEditor(Com2PropertyDescriptor sender, GetTypeConverterAndTypeEditorEvent gveevent)
{
if (sender.TargetObject is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
System.Windows.Forms.NativeMethods.IPerPropertyBrowsing targetObject = (System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)sender.TargetObject;
bool flag = false;
System.Windows.Forms.NativeMethods.CA_STRUCT pCaStringsOut = new System.Windows.Forms.NativeMethods.CA_STRUCT();
System.Windows.Forms.NativeMethods.CA_STRUCT pCaCookiesOut = new System.Windows.Forms.NativeMethods.CA_STRUCT();
int errorCode = 0;
try
{
errorCode = targetObject.GetPredefinedStrings(sender.DISPID, pCaStringsOut, pCaCookiesOut);
}
catch (ExternalException exception)
{
errorCode = exception.ErrorCode;
}
if (gveevent.TypeConverter is Com2IPerPropertyEnumConverter)
{
gveevent.TypeConverter = null;
}
if (errorCode != 0)
{
flag = false;
}
else
{
flag = true;
}
if (flag)
{
OleStrCAMarshaler names = new OleStrCAMarshaler(pCaStringsOut);
Int32CAMarshaler values = new Int32CAMarshaler(pCaCookiesOut);
if ((names.Count > 0) && (values.Count > 0))
{
gveevent.TypeConverter = new Com2IPerPropertyEnumConverter(new Com2IPerPropertyBrowsingEnum(sender, this, names, values, true));
}
}
if (!flag && !sender.ConvertingNativeType)
{
Guid propertyPageGuid = this.GetPropertyPageGuid(targetObject, sender.DISPID);
if (!Guid.Empty.Equals(propertyPageGuid))
{
gveevent.TypeEditor = new Com2PropertyPageUITypeEditor(sender, propertyPageGuid, (UITypeEditor)gveevent.TypeEditor);
}
}
}
}
private void ReleaseAxControl()
{
this.NoComponentChangeEvents++;
ContainerControl containingControl = this.ContainingControl;
if (containingControl != null)
{
containingControl.VisibleChanged -= this.onContainerVisibleChanged;
}
try
{
if (this.instance != null)
{
Marshal.FinalReleaseComObject(this.instance);
this.instance = null;
this.iOleInPlaceObject = null;
this.iOleObject = null;
this.iOleControl = null;
this.iOleInPlaceActiveObject = null;
this.iOleInPlaceActiveObjectExternal = null;
this.iPerPropertyBrowsing = null;
this.iCategorizeProperties = null;
this.iPersistStream = null;
this.iPersistStreamInit = null;
this.iPersistStorage = null;
}
this.axState[checkedIppb] = false;
this.axState[checkedCP] = false;
this.axState[disposed] = true;
this.freezeCount = 0;
this.axState[sinkAttached] = false;
this.wndprocAddr = IntPtr.Zero;
this.SetOcState(0);
}
finally
{
this.NoComponentChangeEvents--;
}
}
private System.Windows.Forms.NativeMethods.IPerPropertyBrowsing GetPerPropertyBrowsing()
{
if (((this.iPerPropertyBrowsing == null) && !this.axState[checkedIppb]) && (this.instance != null))
{
this.axState[checkedIppb] = true;
if (this.instance is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
this.iPerPropertyBrowsing = (System.Windows.Forms.NativeMethods.IPerPropertyBrowsing) this.instance;
}
}
return this.iPerPropertyBrowsing;
}
private void EnsureArrays()
{
if (!this.arraysFetched)
{
this.arraysFetched = true;
try
{
object[] items = this.nameMarshaller.Items;
object[] objArray2 = this.valueMarshaller.Items;
System.Windows.Forms.NativeMethods.IPerPropertyBrowsing targetObject = (System.Windows.Forms.NativeMethods.IPerPropertyBrowsing) this.target.TargetObject;
int length = 0;
if (items.Length > 0)
{
object[] sourceArray = new object[objArray2.Length];
System.Windows.Forms.NativeMethods.VARIANT pVarOut = new System.Windows.Forms.NativeMethods.VARIANT();
System.Type propertyType = this.target.PropertyType;
for (int i = items.Length - 1; i >= 0; i--)
{
int dwCookie = (int)objArray2[i];
if ((items[i] != null) && (items[i] is string))
{
pVarOut.vt = 0;
int num4 = targetObject.GetPredefinedValue(this.target.DISPID, dwCookie, pVarOut);
if ((num4 == 0) && (pVarOut.vt != 0))
{
sourceArray[i] = pVarOut.ToObject();
if (sourceArray[i].GetType() != propertyType)
{
if (propertyType.IsEnum)
{
sourceArray[i] = Enum.ToObject(propertyType, sourceArray[i]);
}
else
{
try
{
sourceArray[i] = Convert.ChangeType(sourceArray[i], propertyType, CultureInfo.InvariantCulture);
}
catch
{
}
}
}
}
pVarOut.Clear();
if (num4 == 0)
{
length++;
}
else if (length > 0)
{
Array.Copy(items, i, items, i + 1, length);
Array.Copy(sourceArray, i, sourceArray, i + 1, length);
}
}
}
string[] destinationArray = new string[length];
Array.Copy(items, 0, destinationArray, 0, length);
base.PopulateArrays(destinationArray, sourceArray);
}
}
catch (Exception)
{
base.PopulateArrays(new string[0], new object[0]);
}
}
}