/// <summary>
/// Default ctor.
/// </summary>
public Com2Properties(object obj, Com2PropertyDescriptor[] props, int defaultIndex)
{
#if DEBUG
ComNativeDescriptor cnd = new ComNativeDescriptor();
dbgObjName = cnd.GetName(obj);
if (dbgObjName == null)
{
dbgObjName = "(null)";
}
dbgObjClass = cnd.GetClassName(obj);
if (dbgObjClass == null)
{
dbgObjClass = "(null)";
}
if (DbgCom2PropertiesSwitch.TraceVerbose)
{
Debug.WriteLine("Creating Com2Properties for object " + dbgObjName + ", class=" + dbgObjClass);
}
#endif
// set up our variables
SetProps(props);
weakObjRef = new WeakReference(obj);
this.defaultIndex = defaultIndex;
typeInfoVersions = GetTypeInfoVersions(obj);
touchedTime = DateTime.Now.Ticks;
}
/// <summary>
/// Converts the given object to another type. The most common types to convert
/// are to and from a string object. The default implementation will make a call
/// to ToString on the object if the object is valid and if the destination
/// type is string. If this cannot convert to the destination type, this will
/// throw a NotSupportedException.
/// </summary>
public override object?ConvertTo(ITypeDescriptorContext?context, CultureInfo?culture, object?value, Type destinationType)
{
if (destinationType == typeof(string))
{
if (value is null)
{
return(s_none);
}
string text = ComNativeDescriptor.GetName(value);
if (text is null || text.Length == 0)
{
text = ComNativeDescriptor.GetClassName(value);
}
if (text is null)
{
return("(Object)");
}
return(text);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <include file='doc\COM2Properties.uex' path='docs/doc[@for="Com2Properties.Com2Properties"]/*' />
/// <devdoc>
/// Default ctor.
/// </devdoc>
public Com2Properties(object obj, Com2PropertyDescriptor[] props, int defaultIndex)
{
#if DEBUG
ComNativeDescriptor cnd = new ComNativeDescriptor();
this.dbgObjName = cnd.GetName(obj);
if (this.dbgObjName == null)
{
this.dbgObjName = "(null)";
}
this.dbgObjClass = cnd.GetClassName(obj);
if (this.dbgObjClass == null)
{
this.dbgObjClass = "(null)";
}
if (DbgCom2PropertiesSwitch.TraceVerbose)
{
Debug.WriteLine("Creating Com2Properties for object " + dbgObjName + ", class=" + dbgObjClass);
}
#endif
// set up our variables
SetProps(props);
weakObjRef = new WeakReference(obj);
hashCode = obj.GetHashCode();
this.defaultIndex = defaultIndex;
// get the type infos count
if (obj is NativeMethods.IProvideMultipleClassInfo)
{
int infos = 0;
if (NativeMethods.Succeeded(((NativeMethods.IProvideMultipleClassInfo)obj).GetMultiTypeInfoCount(ref infos)))
{
this.nTypeInfos = infos;
}
}
}
/// <summary>
/// ICustomTypeDescriptor implementation.
/// </summary>
string ICustomTypeDescriptor.GetComponentName()
{
return(_handler.GetName(_instance));
}
/// <include file='doc\COM2Properties.uex' path='docs/doc[@for="Com2Properties.Com2Properties"]/*' />
/// <devdoc>
/// Default ctor.
/// </devdoc>
public Com2Properties(object obj, Com2PropertyDescriptor[] props, int defaultIndex) {
#if DEBUG
ComNativeDescriptor cnd = new ComNativeDescriptor();
this.dbgObjName = cnd.GetName(obj);
if (this.dbgObjName == null) {
this.dbgObjName = "(null)";
}
this.dbgObjClass = cnd.GetClassName(obj);
if (this.dbgObjClass == null) {
this.dbgObjClass = "(null)";
}
if (DbgCom2PropertiesSwitch.TraceVerbose) Debug.WriteLine("Creating Com2Properties for object " + dbgObjName + ", class=" + dbgObjClass);
#endif
// set up our variables
SetProps(props);
weakObjRef = new WeakReference(obj);
this.defaultIndex = defaultIndex;
typeInfoVersions = GetTypeInfoVersions(obj);
touchedTime = DateTime.Now.Ticks;
}
