public void GetTypeConverterAndTypeEditor(ref TypeConverter typeConverter, System.Type editorBaseType, ref object typeEditor)
{
TypeConverter currentConverter = typeConverter;
object currentEditor = typeEditor;
if (currentConverter == null)
{
currentConverter = this.GetBaseTypeConverter();
}
if (currentEditor == null)
{
currentEditor = this.GetBaseTypeEditor(editorBaseType);
}
if (((this.refreshState & 0x2000) == 0) && (this.PropertyType == typeof(Com2Variant)))
{
System.Type propertyType = this.PropertyType;
object propertyValue = this.GetValue(this.TargetObject);
if (propertyValue != null)
{
propertyValue.GetType();
}
ComNativeDescriptor.ResolveVariantTypeConverterAndTypeEditor(propertyValue, ref currentConverter, editorBaseType, ref currentEditor);
}
if (currentConverter is Com2PropDescMainConverter)
{
currentConverter = ((Com2PropDescMainConverter)currentConverter).InnerConverter;
}
GetTypeConverterAndTypeEditorEvent e = new GetTypeConverterAndTypeEditorEvent(currentConverter, currentEditor);
this.OnGetTypeConverterAndTypeEditor(e);
currentConverter = e.TypeConverter;
currentEditor = e.TypeEditor;
if (currentConverter == null)
{
currentConverter = this.GetBaseTypeConverter();
}
if (currentEditor == null)
{
currentEditor = this.GetBaseTypeEditor(editorBaseType);
}
System.Type type = currentConverter.GetType();
if ((type != typeof(TypeConverter)) && (type != typeof(Com2PropDescMainConverter)))
{
currentConverter = new Com2PropDescMainConverter(this, currentConverter);
}
typeConverter = currentConverter;
typeEditor = currentEditor;
}
/// <include file='doc\COM2PropertyDescriptor.uex' path='docs/doc[@for="Com2PropertyDescriptor.GetTypeConverterAndTypeEditor"]/*' />
/// <devdoc>
/// Retrieves the value editor for the property. If a value editor is passed
/// in as a TypeConverterAttribute, that value editor will be instantiated.
/// If no such attribute was found, a system value editor will be looked for.
/// See TypeConverter for a description of how system value editors are found.
/// If there is no system value editor, null is returned. If the value editor found
/// takes an IEditorSite in its constructor, the parameter will be passed in.
/// </devdoc>
public void GetTypeConverterAndTypeEditor(ref TypeConverter typeConverter, Type editorBaseType, ref Object typeEditor) {
// get the base editor and converter, attributes first
TypeConverter localConverter = typeConverter;
Object localEditor = typeEditor;
if (localConverter == null) {
localConverter = GetBaseTypeConverter();
}
if (localEditor == null) {
localEditor = GetBaseTypeEditor(editorBaseType);
}
// if this is a object, get the value and attempt to create the correct value editor based on that value.
// we don't do this if the state came from an attribute
//
if (0 == (refreshState & Com2PropertyDescriptorRefresh.TypeConverterAttr) && this.PropertyType == typeof(Com2Variant)) {
Type editorType = PropertyType;
Object value = GetValue(TargetObject);
if (value != null) {
editorType = value.GetType();
}
ComNativeDescriptor.ResolveVariantTypeConverterAndTypeEditor(value, ref localConverter, editorBaseType, ref localEditor);
}
// now see if someone else would like to serve up a value editor
//
// unwrap the editor if it's one of ours.
if (localConverter is Com2PropDescMainConverter) {
localConverter = ((Com2PropDescMainConverter)localConverter).InnerConverter;
}
GetTypeConverterAndTypeEditorEvent e = new GetTypeConverterAndTypeEditorEvent(localConverter, localEditor);
OnGetTypeConverterAndTypeEditor(e);
localConverter = e.TypeConverter;
localEditor = e.TypeEditor;
// just in case one of the handlers removed our editor...
//
if (localConverter == null) {
localConverter = GetBaseTypeConverter();
}
if (localEditor == null) {
localEditor = GetBaseTypeEditor(editorBaseType);
}
// wrap the value editor in our main value editor, but only if it isn't "TypeConverter" or already a Com2PropDescMainTypeConverter
//
Type localConverterType = localConverter.GetType();
if (localConverterType != typeof(TypeConverter) && localConverterType != (typeof(Com2PropDescMainConverter))) {
localConverter = new Com2PropDescMainConverter(this, localConverter);
}
// save the values back to the variables.
//
typeConverter = localConverter;
typeEditor = localEditor;
}
public void GetTypeConverterAndTypeEditor(ref TypeConverter typeConverter, System.Type editorBaseType, ref object typeEditor)
{
TypeConverter currentConverter = typeConverter;
object currentEditor = typeEditor;
if (currentConverter == null)
{
currentConverter = this.GetBaseTypeConverter();
}
if (currentEditor == null)
{
currentEditor = this.GetBaseTypeEditor(editorBaseType);
}
if (((this.refreshState & 0x2000) == 0) && (this.PropertyType == typeof(Com2Variant)))
{
System.Type propertyType = this.PropertyType;
object propertyValue = this.GetValue(this.TargetObject);
if (propertyValue != null)
{
propertyValue.GetType();
}
ComNativeDescriptor.ResolveVariantTypeConverterAndTypeEditor(propertyValue, ref currentConverter, editorBaseType, ref currentEditor);
}
if (currentConverter is Com2PropDescMainConverter)
{
currentConverter = ((Com2PropDescMainConverter) currentConverter).InnerConverter;
}
GetTypeConverterAndTypeEditorEvent e = new GetTypeConverterAndTypeEditorEvent(currentConverter, currentEditor);
this.OnGetTypeConverterAndTypeEditor(e);
currentConverter = e.TypeConverter;
currentEditor = e.TypeEditor;
if (currentConverter == null)
{
currentConverter = this.GetBaseTypeConverter();
}
if (currentEditor == null)
{
currentEditor = this.GetBaseTypeEditor(editorBaseType);
}
System.Type type = currentConverter.GetType();
if ((type != typeof(TypeConverter)) && (type != typeof(Com2PropDescMainConverter)))
{
currentConverter = new Com2PropDescMainConverter(this, currentConverter);
}
typeConverter = currentConverter;
typeEditor = currentEditor;
}
