public override void RegisterCallBack()
{
if (this.NativeObject != IntPtr.Zero)
{
m_customSymbolFromXml_CallBack_ISymbol_EVString = EarthView_World_Spatial_Display_ISymbolListener_customSymbolFromXml_ISymbol_EVString_Function;
GC.KeepAlive(m_customSymbolFromXml_CallBack_ISymbol_EVString);
EV_RegisterCallback_EarthView_World_Spatial_Display_ISymbolListener_customSymbolFromXml_ISymbol_EVString(this.NativeObject, m_customSymbolFromXml_CallBack_ISymbol_EVString);
m_customSymbolToXml_CallBack_EVString_ISymbol = EarthView_World_Spatial_Display_ISymbolListener_customSymbolToXml_EVString_ISymbol_Function;
GC.KeepAlive(m_customSymbolToXml_CallBack_EVString_ISymbol);
EV_RegisterCallback_EarthView_World_Spatial_Display_ISymbolListener_customSymbolToXml_EVString_ISymbol(this.NativeObject, m_customSymbolToXml_CallBack_EVString_ISymbol);
}
}
protected static extern void EV_RegisterCallback_EarthView_World_Spatial_Display_ISymbolListener_customSymbolToXml_EVString_ISymbol(IntPtr pObject, customSymbolToXml_CallBack_EVString_ISymbol pCallback);
