public void SetTransparency(int newValue)
{
try
{
this.CheckForUpdates();
DocUtil.EnableTransparency();
Document parentDocument = this.ParentDataset.ParentDocument;
byte b = Convert.ToByte(Math.Floor((100.0 - (double)newValue) / 100.0 * 254.0));
Transparency transparency = new Transparency(b);
using (parentDocument.LockDocument())
{
parentDocument.TransactionManager.EnableGraphicsFlush(true);
var transactionManager = parentDocument.TransactionManager;
using (Transaction transaction = transactionManager.StartTransaction())
{
BlockTable blockTable = (BlockTable)transaction.GetObject(parentDocument.Database.BlockTableId, 0);
BlockTableRecord arg_A1_0 = (BlockTableRecord)transaction.GetObject(blockTable[(BlockTableRecord.ModelSpace)], (OpenMode)1);
RasterImage rasterImage = (RasterImage)transaction.GetObject(this.RasterObjectId, (OpenMode)1);
rasterImage.Transparency = (transparency);
rasterImage.Draw();
parentDocument.TransactionManager.QueueForGraphicsFlush();
parentDocument.TransactionManager.FlushGraphics();
parentDocument.Editor.UpdateScreen();
transaction.Commit();
}
}
}
catch
{
}
}