/// <summary>
/// Callback after image is retrieved refreshes the grid with the new value
/// </summary>
/// <param name="r"></param>
void ImageBitmapRetrieved(IAsyncResult r)
{
GetImageBitmapDelegate d = (r as AsyncResult).AsyncDelegate as GetImageBitmapDelegate;
GetImageBitmapArgs args = d.EndInvoke(r); // end invoke and get the handle of the row that has been updated
RefreshGridForImageValue();
if (DebugDetails)
{
ClientLog.Message("ImageBitmapRetrieved callback called for callId: " + args.callId);
}
}
/// <summary>
/// Start async call to get image if not already in progress
/// </summary>
/// <param name="ci"></param>
/// <param name="dr"></param>
/// <param name="listSourceRowIndex"></param>
/// <param name="fieldValue"></param>
/// <param name="imageMx"></param>
/// <param name="callId"></param>
private void GetImageBitmapAsync(CellInfo ci, DataRowMx dr, int listSourceRowIndex, object fieldValue, ImageMx imageMx, int callId)
{
if (!imageMx.IsRetrievingValue) // start retrieve if not already started
{
//if (Debug)
ClientLog.Message("Dispatching async callId: " + callId);
imageMx.IsRetrievingValue = true;
GetImageBitmapDelegate d = new GetImageBitmapDelegate(GetImageBitmap);
d.BeginInvoke(ci, dr, listSourceRowIndex, fieldValue, imageMx, callId, new AsyncCallback(ImageBitmapRetrieved), null);
return;
}
else
{
return;
}
}