public Com2IPerPropertyBrowsingEnum(Com2PropertyDescriptor targetObject, Com2IPerPropertyBrowsingHandler handler, OleStrCAMarshaler names, Int32CAMarshaler values, bool allowUnknowns) : base(Array.Empty <string>(), Array.Empty <object>(), allowUnknowns)
{
target = targetObject;
nameMarshaller = names;
valueMarshaller = values;
this.handler = handler;
arraysFetched = false;
}
//private bool standardValuesQueried;
public Com2IPerPropertyBrowsingEnum(Com2PropertyDescriptor targetObject, Com2IPerPropertyBrowsingHandler handler, OleStrCAMarshaler names, Int32CAMarshaler values, bool allowUnknowns) : base(new string[0], new object[0], allowUnknowns)
{
this.target = targetObject;
this.nameMarshaller = names;
this.valueMarshaller = values;
this.handler = handler;
this.arraysFetched = false;
}
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 OnGetTypeConverterAndTypeEditor(Com2PropertyDescriptor sender, GetTypeConverterAndTypeEditorEvent gveevent)
{
if (sender.TargetObject is NativeMethods.IPerPropertyBrowsing)
{
NativeMethods.IPerPropertyBrowsing ppb = (NativeMethods.IPerPropertyBrowsing)sender.TargetObject;
bool hasStrings = false;
// check for enums
NativeMethods.CA_STRUCT caStrings = new NativeMethods.CA_STRUCT();
NativeMethods.CA_STRUCT caCookies = new NativeMethods.CA_STRUCT();
int hr = NativeMethods.S_OK;
try {
hr = ppb.GetPredefinedStrings(sender.DISPID, caStrings, caCookies);
}
catch (ExternalException ex) {
hr = ex.ErrorCode;
Debug.Fail("An exception occurred inside IPerPropertyBrowsing::GetPredefinedStrings(dispid=" + sender.DISPID + "), object type=" + new ComNativeDescriptor().GetClassName(ppb) + ". This is caused by an exception (usually an AV) inside the object being browsed, and is not a problem in the properties window.");
}
// Terminate the existing editor if we created the current one
// so if the items have disappeared, we don't hold onto the old
// items.
if (gveevent.TypeConverter is Com2IPerPropertyEnumConverter)
{
gveevent.TypeConverter = null;
}
if (hr != NativeMethods.S_OK)
{
hasStrings = false;
}
else
{
hasStrings = true;
}
if (hasStrings)
{
OleStrCAMarshaler stringMarshaler = new OleStrCAMarshaler(caStrings);
Int32CAMarshaler intMarshaler = new Int32CAMarshaler(caCookies);
if (stringMarshaler.Count > 0 && intMarshaler.Count > 0)
{
gveevent.TypeConverter = new Com2IPerPropertyEnumConverter(new Com2IPerPropertyBrowsingEnum(sender, this, stringMarshaler, intMarshaler, true));
}
else
{
//hasStrings = false;
}
}
// if we didn't get any strings, try the proppage edtior
//
if (!hasStrings)
{
// this is a _bit_ of a backwards-compat work around...
// many older ActiveX controls will show a property page
// for all properties since the old grid would only put up the
// [...] button for "(Custom)". If we have a conversion editor,
// don't allow this to override it...
//
if (sender.ConvertingNativeType)
{
return;
}
Guid g = GetPropertyPageGuid(ppb, sender.DISPID);
if (!Guid.Empty.Equals(g))
{
gveevent.TypeEditor = new Com2PropertyPageUITypeEditor(sender, g, (UITypeEditor)gveevent.TypeEditor);
}
}
}
}
internal void UpdateTypeConverterAndTypeEditorInternal(bool force, int dispid)
{
if ((!this.GetFlag(1) || force) && (this.owner.GetOcx() != null))
{
try
{
System.Windows.Forms.NativeMethods.IPerPropertyBrowsing perPropertyBrowsing = this.owner.GetPerPropertyBrowsing();
if (perPropertyBrowsing != null)
{
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 = perPropertyBrowsing.GetPredefinedStrings(dispid, pCaStringsOut, pCaCookiesOut);
}
catch (ExternalException exception)
{
errorCode = exception.ErrorCode;
}
if (errorCode != 0)
{
flag = false;
if (this.converter is Com2EnumConverter)
{
this.converter = null;
}
}
else
{
flag = true;
}
if (flag)
{
OleStrCAMarshaler names = new OleStrCAMarshaler(pCaStringsOut);
Int32CAMarshaler values = new Int32CAMarshaler(pCaCookiesOut);
if ((names.Count > 0) && (values.Count > 0))
{
if (this.converter == null)
{
this.converter = new AxHost.AxEnumConverter(this, new AxHost.AxPerPropertyBrowsingEnum(this, this.owner, names, values, true));
}
else if (this.converter is AxHost.AxEnumConverter)
{
((AxHost.AxEnumConverter) this.converter).RefreshValues();
AxHost.AxPerPropertyBrowsingEnum enum2 = ((AxHost.AxEnumConverter) this.converter).com2Enum as AxHost.AxPerPropertyBrowsingEnum;
if (enum2 != null)
{
enum2.RefreshArrays(names, values);
}
}
}
}
else if (((ComAliasNameAttribute) this.baseProp.Attributes[typeof(ComAliasNameAttribute)]) == null)
{
Guid propertyPage = this.GetPropertyPage(dispid);
if (!Guid.Empty.Equals(propertyPage))
{
this.editor = new AxHost.AxPropertyTypeEditor(this, propertyPage);
if (!this.IsBrowsable)
{
this.AddAttribute(new BrowsableAttribute(true));
}
}
}
}
this.SetFlag(1, true);
}
catch (Exception)
{
}
}
}
internal void RefreshArrays(OleStrCAMarshaler names, Int32CAMarshaler values)
{
this.nameMarshaller = names;
this.valueMarshaller = values;
this.arraysFetched = false;
}
public AxPerPropertyBrowsingEnum(AxHost.AxPropertyDescriptor targetObject, AxHost owner, OleStrCAMarshaler names, Int32CAMarshaler values, bool allowUnknowns) : base(new string[0], new object[0], allowUnknowns)
{
this.target = targetObject;
this.nameMarshaller = names;
this.valueMarshaller = values;
this.owner = owner;
this.arraysFetched = false;
}
/// <devdoc>
/// Called externally to update the editor or type converter.
/// This simply sets flags so this will happen, it doesn't actually to the update...
/// we wait and do that on-demand for perf.
/// </devdoc>
internal void UpdateTypeConverterAndTypeEditorInternal(bool force, int dispid) {
// check to see if we're being forced here or if the work really
// needs to be done.
//
if (GetFlag(FlagUpdatedEditorAndConverter) && !force) {
return;
}
if (owner.GetOcx() == null) {
return;
}
try {
NativeMethods.IPerPropertyBrowsing ppb = owner.GetPerPropertyBrowsing();
if (ppb != null) {
bool hasStrings = false;
// check for enums
NativeMethods.CA_STRUCT caStrings = new NativeMethods.CA_STRUCT();
NativeMethods.CA_STRUCT caCookies = new NativeMethods.CA_STRUCT();
int hr = NativeMethods.S_OK;
try {
hr = ppb.GetPredefinedStrings(dispid, caStrings, caCookies);
}
catch(ExternalException ex) {
hr = ex.ErrorCode;
Debug.Fail("An exception occurred inside IPerPropertyBrowsing::GetPredefinedStrings(dispid=" +
dispid + "), object type=" + new ComNativeDescriptor().GetClassName(ppb));
}
if (hr != NativeMethods.S_OK) {
hasStrings = false;
// Destroy the existing editor if we created the current one
// so if the items have disappeared, we don't hold onto the old
// items.
if (converter is Com2EnumConverter) {
converter = null;
}
}
else {
hasStrings = true;
}
if (hasStrings) {
OleStrCAMarshaler stringMarshaler = new OleStrCAMarshaler(caStrings);
Int32CAMarshaler intMarshaler = new Int32CAMarshaler(caCookies);
if (stringMarshaler.Count > 0 && intMarshaler.Count > 0) {
if (converter == null) {
converter = new AxEnumConverter(this, new AxPerPropertyBrowsingEnum(this, owner, stringMarshaler, intMarshaler, true));
}
else if (converter is AxEnumConverter){
((AxEnumConverter)converter).RefreshValues();
AxPerPropertyBrowsingEnum axEnum = ((AxEnumConverter)converter).com2Enum as AxPerPropertyBrowsingEnum;
if (axEnum != null) {
axEnum.RefreshArrays(stringMarshaler, intMarshaler);
}
}
}
else {
//hasStrings = false;
}
}
else {
// if we didn't get any strings, try the proppage edtior
//
// Check to see if this is a property that we have already massaged to be a
// .Net type. If it is, don't bother with custom property pages. We already
// have a .Net Editor for this type.
//
ComAliasNameAttribute comAlias = (ComAliasNameAttribute)baseProp.Attributes[typeof(ComAliasNameAttribute)];
if (comAlias == null) {
Guid g = GetPropertyPage(dispid);
if (!Guid.Empty.Equals(g)) {
editor = new AxPropertyTypeEditor(this, g);
// Show any non-browsable property that has an editor through a
// property page.
//
if (!this.IsBrowsable) {
Debug.WriteLineIf(AxPropTraceSwitch.TraceVerbose, "Making property: " + this.Name + " browsable because we found an editor.");
AddAttribute(new BrowsableAttribute(true));
}
}
}
}
}
SetFlag(FlagUpdatedEditorAndConverter, true);
}
catch (Exception e) {
Debug.WriteLineIf(AxPropTraceSwitch.TraceVerbose, "could not get the type editor for property: " + this.Name + " Exception: " + e);
}
}
//private bool standardValuesQueried;
public Com2IPerPropertyBrowsingEnum(Com2PropertyDescriptor targetObject, Com2IPerPropertyBrowsingHandler handler, OleStrCAMarshaler names, Int32CAMarshaler values, bool allowUnknowns) : base(new string[0], new object[0], allowUnknowns) {
this.target = targetObject;
this.nameMarshaller = names;
this.valueMarshaller = values;
this.handler = handler;
this.arraysFetched = false;
}
private void OnGetTypeConverterAndTypeEditor(Com2PropertyDescriptor sender, GetTypeConverterAndTypeEditorEvent gveevent) {
if (sender.TargetObject is NativeMethods.IPerPropertyBrowsing) {
NativeMethods.IPerPropertyBrowsing ppb = (NativeMethods.IPerPropertyBrowsing)sender.TargetObject;
bool hasStrings = false;
// check for enums
NativeMethods.CA_STRUCT caStrings = new NativeMethods.CA_STRUCT();
NativeMethods.CA_STRUCT caCookies = new NativeMethods.CA_STRUCT();
int hr = NativeMethods.S_OK;
try {
hr = ppb.GetPredefinedStrings(sender.DISPID, caStrings, caCookies);
}
catch(ExternalException ex){
hr = ex.ErrorCode;
Debug.Fail("An exception occurred inside IPerPropertyBrowsing::GetPredefinedStrings(dispid=" + sender.DISPID + "), object type=" + new ComNativeDescriptor().GetClassName(ppb) + ". This is caused by an exception (usually an AV) inside the object being browsed, and is not a problem in the properties window.");
}
// Terminate the existing editor if we created the current one
// so if the items have disappeared, we don't hold onto the old
// items.
if (gveevent.TypeConverter is Com2IPerPropertyEnumConverter) {
gveevent.TypeConverter = null;
}
if (hr != NativeMethods.S_OK) {
hasStrings = false;
}
else {
hasStrings = true;
}
if (hasStrings) {
OleStrCAMarshaler stringMarshaler = new OleStrCAMarshaler(caStrings);
Int32CAMarshaler intMarshaler = new Int32CAMarshaler(caCookies);
if (stringMarshaler.Count > 0 && intMarshaler.Count > 0) {
gveevent.TypeConverter = new Com2IPerPropertyEnumConverter(new Com2IPerPropertyBrowsingEnum(sender, this, stringMarshaler, intMarshaler, true));
}
else {
//hasStrings = false;
}
}
// if we didn't get any strings, try the proppage edtior
//
if (!hasStrings){
// this is a _bit_ of a backwards-compat work around...
// many older ActiveX controls will show a property page
// for all properties since the old grid would only put up the
// [...] button for "(Custom)". If we have a conversion editor,
// don't allow this to override it...
//
if (sender.ConvertingNativeType){
return;
}
Guid g = GetPropertyPageGuid(ppb, sender.DISPID);
if (!Guid.Empty.Equals(g)){
gveevent.TypeEditor = new Com2PropertyPageUITypeEditor(sender, g, (UITypeEditor)gveevent.TypeEditor);
}
}
}
}
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);
}
}
}
}