/// <summary> Adds an event handler(s) to the Cartridge. This method
/// will find all possible event handler interfaces supported
/// by the passed in object.
/// *
/// </summary>
/// <param name="ev">object impementing a valid EventHandler-derived interface
/// </param>
/// <returns>true if a supported interface, false otherwise or if null
///
/// </returns>
public virtual bool addEventHandler(EventHandler ev)
{
if (ev == null)
{
return(false);
}
bool found = false;
if (ev is ReferenceInsertionEventHandler)
{
rieh = (ReferenceInsertionEventHandler)ev;
found = true;
}
if (ev is NullSetEventHandler)
{
nseh = (NullSetEventHandler)ev;
found = true;
}
if (ev is MethodExceptionEventHandler)
{
meeh = (MethodExceptionEventHandler)ev;
found = true;
}
return(found);
}
/// <summary> Removes an event handler(s) from the Cartridge. This method
/// will find all possible event handler interfaces supported
/// by the passed in object and remove them.
/// *
/// </summary>
/// <param name="ev">object impementing a valid EventHandler-derived interface
/// </param>
/// <returns>true if a supported interface, false otherwise or if null
///
/// </returns>
public virtual bool removeEventHandler(EventHandler ev)
{
if (ev == null)
{
return(false);
}
bool found = false;
if (ev == rieh)
{
rieh = null;
found = true;
}
if (ev == nseh)
{
nseh = null;
found = true;
}
if (ev == meeh)
{
meeh = null;
found = true;
}
return(found);
}
/// <summary> Adds an event handler(s) to the Cartridge. This method
/// will find all possible event handler interfaces supported
/// by the passed in object.
/// *
/// </summary>
/// <param name="ev">object impementing a valid EventHandler-derived interface
/// </param>
/// <returns>true if a supported interface, false otherwise or if null
///
/// </returns>
public virtual bool addEventHandler(EventHandler ev) {
if (ev == null) {
return false;
}
bool found = false;
if (ev is ReferenceInsertionEventHandler) {
rieh = (ReferenceInsertionEventHandler) ev;
found = true;
}
if (ev is NullSetEventHandler) {
nseh = (NullSetEventHandler) ev;
found = true;
}
if (ev is MethodExceptionEventHandler) {
meeh = (MethodExceptionEventHandler) ev;
found = true;
}
return found;
}
/// <summary> Removes an event handler(s) from the Cartridge. This method
/// will find all possible event handler interfaces supported
/// by the passed in object and remove them.
/// *
/// </summary>
/// <param name="ev">object impementing a valid EventHandler-derived interface
/// </param>
/// <returns>true if a supported interface, false otherwise or if null
///
/// </returns>
public virtual bool removeEventHandler(EventHandler ev) {
if (ev == null) {
return false;
}
bool found = false;
if (ev == rieh) {
rieh = null;
found = true;
}
if (ev == nseh) {
nseh = null;
found = true;
}
if (ev == meeh) {
meeh = null;
found = true;
}
return found;
}
