private void SearchForTopBlocks(string blkName, int targetCount)
{
List <ObjectId> blkIds = new List <ObjectId>();
try
{
if (ProcessingStarted != null)
{
string msg = string.Format(
"Searching first {0} block refeences: \"{1}\"",
targetCount, blkName);
LongProcessStartedEventArgs e =
new LongProcessStartedEventArgs(msg);
ProcessingStarted(this, e);
}
using (var tran = _dwg.TransactionManager.StartTransaction())
{
//Get all entities' ID in ModelSpace
BlockTableRecord model = (BlockTableRecord)tran.GetObject(
SymbolUtilityServices.GetBlockModelSpaceId(
_dwg.Database), OpenMode.ForRead);
foreach (ObjectId id in model)
{
if (ProcessingProgressed != null)
{
string progMsg = string.Format(
"{0} found\n" +
"Processing entity: {1}",
blkIds.Count, id.ObjectClass.DxfName);
LongProcessingProgressEventArgs e =
new LongProcessingProgressEventArgs(progMsg);
ProcessingProgressed(this, e);
}
if (IsTargetBlock(id, blkName, tran))
{
blkIds.Add(id);
if (blkIds.Count == targetCount)
{
break;
}
}
}
tran.Commit();
}
ProcessingEnded?.Invoke(this, EventArgs.Empty);
}
finally
{
//Make sure the CloseProgressUIRequested event always fires,
//so that the progress dialog box gets closed because of
//this event
CloseProgressUIRequested?.Invoke(this, EventArgs.Empty);
}
}
private void ExecutingObject_Progressed(
object sender, LongProcessingProgressEventArgs e)
{
if (!_isMarquee)
{
pBar.Value++;
}
lblDescription.Text = e.ProgressDescription;
lblDescription.Refresh();
Application.DoEvents();
if (_stop)
{
e.Cancel = true;
}
}
private void LoopThroughModelSpace()
{
try
{
//run 2 long processing loops
for (int n = 0; n < 2; n++)
{
using (var tran =
_dwg.TransactionManager.StartTransaction())
{
//Get all entities' ID in ModelSpace
BlockTableRecord model = (BlockTableRecord)
tran.GetObject(
SymbolUtilityServices.GetBlockModelSpaceId(
_dwg.Database), OpenMode.ForRead);
ObjectId[] entIds = model.Cast <ObjectId>().ToArray();
if (ProcessingStarted != null)
{
string process = n == 0 ?
"Searching ModelSpace for AAAA" :
"Search ModelSpace for BBBB";
LongProcessStartedEventArgs e =
new LongProcessStartedEventArgs(
process, entIds.Length, true);
ProcessingStarted(this, e);
}
int count = 0;
foreach (var entId in entIds)
{
count++;
if (ProcessingProgressed != null)
{
string progMsg = string.Format(
"{0} out of {1}. {2} remaining...\n" +
"Processing entity: {3}",
count,
entIds.Length,
entIds.Length - count,
entId.ObjectClass.DxfName);
LongProcessingProgressEventArgs e =
new LongProcessingProgressEventArgs(progMsg);
ProcessingProgressed(this, e);
//Since this processing is cancellable, we
//test if user clicked the "Stop" button in the
//progressing dialog box
if (e.Cancel)
{
break;
}
}
//Do something with the entity
Entity ent = (Entity)tran.GetObject(
entId, OpenMode.ForRead);
long s = 0;
for (int i = 0; i < 1000000; i++)
{
s += i * i;
}
}
ProcessingEnded?.Invoke(this, EventArgs.Empty);
tran.Commit();
}
}
}
finally
{
//Make sure the CloseProgressUIRequested event always fires, so
//that the progress dialog box gets closed because of this event
CloseProgressUIRequested?.Invoke(this, EventArgs.Empty);
}
}