internal Error GetFormatInformationByName(string name, ref GflFormatInformation info)
 {
     this.ThrowIfDisposed();
     if(this._GetFormatInformationByNameDelegate == null){
         this._GetFormatInformationByNameDelegate = this.LoadMethod<GetFormatInformationByNameDelegate>("gflGetFormatInformationByName");
     }
     return this._GetFormatInformationByNameDelegate(name, ref info);
 }
 internal Error GetFormatInformationByIndex(int index, ref GflFormatInformation info)
 {
     this.ThrowIfDisposed();
     if(this._GetFormatInformationByIndexDelegate == null){
         this._GetFormatInformationByIndexDelegate = this.LoadMethod<GetFormatInformationByIndexDelegate>("gflGetFormatInformationByIndex");
     }
     return this._GetFormatInformationByIndexDelegate(index, ref info);
 }