public override bool ShouldSerializeValue(object component)
{
GetBoolValueEvent gvbe = new GetBoolValueEvent(false);
this.OnShouldSerializeValue(gvbe);
return(gvbe.Value);
}
private void OnGetIsReadOnly(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
if (targetObject.IsPropertyReadOnly(sender.DISPID, false) == 0)
{
gbvevent.Value = fReadOnly;
}
}
}
private void OnGetIsReadOnly(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing) sender.TargetObject;
if (targetObject.IsPropertyReadOnly(sender.DISPID, false) == 0)
{
gbvevent.Value = fReadOnly;
}
}
}
private void OnCanResetPropertyValue(Com2PropertyDescriptor sender, GetBoolValueEvent boolEvent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
bool pfCanReset = boolEvent.Value;
if (NativeMethods.Succeeded(targetObject.CanResetPropertyValue(sender.DISPID, ref pfCanReset)))
{
boolEvent.Value = pfCanReset;
}
}
}
private void OnCanResetPropertyValue(Com2PropertyDescriptor sender, GetBoolValueEvent boolEvent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing) sender.TargetObject;
bool pfCanReset = boolEvent.Value;
if (NativeMethods.Succeeded(targetObject.CanResetPropertyValue(sender.DISPID, ref pfCanReset)))
{
boolEvent.Value = pfCanReset;
}
}
}
private void OnShouldSerializeValue(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
bool fDefault = true;
if ((targetObject.HasDefaultValue(sender.DISPID, ref fDefault) == 0) && !fDefault)
{
gbvevent.Value = true;
}
}
}
/// <summary>
/// Here is where we handle IVsPerPropertyBrowsing.IsPropertyReadOnly
/// </summary>
private unsafe void OnGetIsReadOnly(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing vsObj)
{
// should we make this read only?
BOOL pfResult = BOOL.FALSE;
HRESULT hr = vsObj.IsPropertyReadOnly(sender.DISPID, &pfResult);
if (hr == HRESULT.S_OK)
{
gbvevent.Value = pfResult != BOOL.FALSE;
}
}
}
private unsafe void OnCanResetPropertyValue(Com2PropertyDescriptor sender, GetBoolValueEvent boolEvent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing target)
{
BOOL canReset = boolEvent.Value ? BOOL.TRUE : BOOL.FALSE;
HRESULT hr = target.CanResetPropertyValue(sender.DISPID, &canReset);
if (hr.Succeeded())
{
boolEvent.Value = canReset != BOOL.FALSE;
}
}
Debug.Assert(sender.TargetObject == null || sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
private void OnCanResetPropertyValue(Com2PropertyDescriptor sender, GetBoolValueEvent boolEvent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing target)
{
bool canReset = boolEvent.Value;
int hr = target.CanResetPropertyValue(sender.DISPID, ref canReset);
if (NativeMethods.Succeeded(hr))
{
boolEvent.Value = canReset;
}
}
Debug.Assert(sender.TargetObject == null || sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
public override bool CanResetValue(object component)
{
if (component is ICustomTypeDescriptor)
{
component = ((ICustomTypeDescriptor)component).GetPropertyOwner(this);
}
if (component == this.TargetObject)
{
GetBoolValueEvent gvbe = new GetBoolValueEvent(false);
this.OnCanResetValue(gvbe);
return(gvbe.Value);
}
return(false);
}
/// <summary>
/// Here is where we handle IVsPerPropertyBrowsing.IsPropertyReadOnly
/// </summary>
private void OnGetIsReadOnly(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing vsObj)
{
// should we make this read only?
bool pfResult = false;
int hr = vsObj.IsPropertyReadOnly(sender.DISPID, ref pfResult);
if (hr == NativeMethods.S_OK)
{
gbvevent.Value = pfResult;
}
}
}
private void OnShouldSerializeValue(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing vsObj)
{
// by default we say it's default
bool pfResult = true;
int hr = vsObj.HasDefaultValue(sender.DISPID, ref pfResult);
if (hr == NativeMethods.S_OK && !pfResult)
{
// specify a default value editor
gbvevent.Value = true;
}
}
Debug.Assert(sender.TargetObject == null || sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
private void RaiseGetBoolValueEvent(object key, GetBoolValueEvent e)
{
try
{
this.com2props.AlwaysValid = this.com2props.CheckValid();
GetBoolValueEventHandler handler = (GetBoolValueEventHandler)this.Events[key];
if (handler != null)
{
handler(this, e);
}
}
finally
{
this.com2props.AlwaysValid = false;
}
}
private unsafe void OnShouldSerializeValue(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is VSSDK.IVsPerPropertyBrowsing vsObj)
{
// by default we say it's default
BOOL pfResult = BOOL.TRUE;
HRESULT hr = vsObj.HasDefaultValue(sender.DISPID, &pfResult);
if (hr == HRESULT.S_OK && pfResult.IsFalse())
{
// specify a default value editor
gbvevent.Value = true;
}
}
Debug.Assert(sender.TargetObject is null || sender.TargetObject is VSSDK.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
protected void OnShouldSerializeValue(GetBoolValueEvent gvbe)
{
this.RaiseGetBoolValueEvent(EventShouldSerializeValue, gvbe);
}
protected void OnGetIsReadOnly(GetBoolValueEvent gvbe)
{
this.RaiseGetBoolValueEvent(EventGetIsReadOnly, gvbe);
}
protected void OnCanResetValue(GetBoolValueEvent gvbe)
{
this.RaiseGetBoolValueEvent(EventCanResetValue, gvbe);
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.CanResetValue"]/*' />
/// <devdoc>
/// Indicates whether reset will change the value of the component. If there
/// is a DefaultValueAttribute, then this will return true if getValue returns
/// something different than the default value. If there is a reset method and
/// a shouldPersist method, this will return what shouldPersist returns.
/// If there is just a reset method, this always returns true. If none of these
/// cases apply, this returns false.
/// </devdoc>
public override bool CanResetValue(Object component) {
if (component is ICustomTypeDescriptor) {
component = ((ICustomTypeDescriptor)component).GetPropertyOwner(this);
}
if (component == this.TargetObject) {
GetBoolValueEvent gbv = new GetBoolValueEvent(false);
OnCanResetValue(gbv);
return gbv.Value;
}
return false;
}
private void OnShouldSerializeValue(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent){
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing){
NativeMethods.IVsPerPropertyBrowsing vsObj = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
// by default we say it's default
bool pfResult = true;
int hr = vsObj.HasDefaultValue(sender.DISPID,ref pfResult);
if (hr == NativeMethods.S_OK && !pfResult){
// specify a default value editor
gbvevent.Value = true;
}
}
Debug.Assert(sender.TargetObject == null || sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
/// <include file='doc\COM2IVsPerPropertyBrowsingHandler.uex' path='docs/doc[@for="Com2IVsPerPropertyBrowsingHandler.OnGetIsReadOnly"]/*' />
/// <devdoc>
/// Here is where we handle IVsPerPropertyBrowsing.IsPropertyReadOnly
/// </devdoc>
private void OnGetIsReadOnly(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent){
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing){
NativeMethods.IVsPerPropertyBrowsing vsObj = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
// should we make this read only?
bool pfResult = false;
int hr = vsObj.IsPropertyReadOnly(sender.DISPID, ref pfResult);
if (hr == NativeMethods.S_OK){
gbvevent.Value = pfResult;
}
}
}
private void OnCanResetPropertyValue(Com2PropertyDescriptor sender, GetBoolValueEvent boolEvent) {
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing) {
NativeMethods.IVsPerPropertyBrowsing target = (NativeMethods.IVsPerPropertyBrowsing)sender.TargetObject;
bool canReset = boolEvent.Value;
int hr = target.CanResetPropertyValue(sender.DISPID, ref canReset);
if (NativeMethods.Succeeded(hr)){
boolEvent.Value = canReset;
}
}
Debug.Assert(sender.TargetObject == null || sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing, "Object is not " + Interface.Name + "!");
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.ShouldSerializeValue"]/*' />
/// <devdoc>
/// Indicates whether the value of this property needs to be persisted. In
/// other words, it indicates whether the state of the property is distinct
/// from when the component is first instantiated. If there is a default
/// value specified in this PropertyDescriptor, it will be compared against the
/// property's current value to determine this. If there is't, the
/// shouldPersistXXX method is looked for and invoked if found. If both
/// these routes fail, true will be returned.
///
/// If this returns false, a tool should not persist this property's value.
/// </devdoc>
public override bool ShouldSerializeValue(Object component) {
GetBoolValueEvent gbv = new GetBoolValueEvent(false);
OnShouldSerializeValue(gbv);
return gbv.Value;
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.OnShouldSerializeValue"]/*' />
/// <devdoc>
/// Raises the appropriate event
/// </devdoc>
protected void OnShouldSerializeValue(GetBoolValueEvent gvbe) {
RaiseGetBoolValueEvent(EventShouldSerializeValue, gvbe);
}
public override bool ShouldSerializeValue(object component)
{
GetBoolValueEvent gvbe = new GetBoolValueEvent(false);
this.OnShouldSerializeValue(gvbe);
return gvbe.Value;
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.OnCanResetValue"]/*' />
/// <devdoc>
/// Raises the appropriate event
/// </devdoc>
protected void OnCanResetValue(GetBoolValueEvent gvbe) {
RaiseGetBoolValueEvent(EventCanResetValue, gvbe);
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.OnGetIsReadOnly"]/*' />
/// <devdoc>
/// Raises the appropriate event
/// </devdoc>
protected void OnGetIsReadOnly(GetBoolValueEvent gvbe) {
RaiseGetBoolValueEvent(EventGetIsReadOnly, gvbe);
}
private void OnShouldSerializeValue(Com2PropertyDescriptor sender, GetBoolValueEvent gbvevent)
{
if (sender.TargetObject is NativeMethods.IVsPerPropertyBrowsing)
{
NativeMethods.IVsPerPropertyBrowsing targetObject = (NativeMethods.IVsPerPropertyBrowsing) sender.TargetObject;
bool fDefault = true;
if ((targetObject.HasDefaultValue(sender.DISPID, ref fDefault) == 0) && !fDefault)
{
gbvevent.Value = true;
}
}
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.RaiseGetBoolValueEvent"]/*' />
/// <devdoc>
/// Raises the appropriate event
/// </devdoc>
private void RaiseGetBoolValueEvent(Object key, GetBoolValueEvent e) {
try {
com2props.AlwaysValid = com2props.CheckValid();
GetBoolValueEventHandler handler = (GetBoolValueEventHandler)Events[key];
if (handler != null) handler(this, e);
}
finally {
com2props.AlwaysValid = false;
}
}
