[MSCE U13 C++]点云导入和导出添加进度条的问题

Question

老师，您好 
 我在导入和导出点云的时候，由于界面长时间出现未响应的状态，需要加入进度条，我参考了论坛上符老师的一个例子，如下： 
 void completionBarTest()
{
	WString txtLine;
	int percent, totLines = 45267;
	MSDialogP cmplDbP = mdlDialog_completionBarOpen(L"Reading ASC DEM DataFile ...");
	mdlDialog_completionBarUpdate(cmplDbP, NULL, 0);
	BeFileStatus status;
	BeTextFilePtr fp = BeTextFile::Open(status, L"D:\Foo-src\MDL.V8i\NorthStar\catenary\test\13.asc", TextFileOpenType::Read, TextFileOptions::KeepNewLine);
	for (int i = 0; i<totLines; i++)
	{
 fp->GetLine (txtLine);
 percent = i * 100 / totLines;
 if (percent > 100) percent = 100;
 mdlDialog_completionBarUpdate(cmplDbP, NULL, percent);
	}
	mdlDialog_completionBarClose(cmplDbP);
	fp->Close();
} 
 可以出现进度条对话框，但是进度条并不会更新。后来我发现API文档中自带了点云导入和导出的进度接口IPointCloudImportProgress 和IPointCloudPodWriterProgress，但是论坛上找不到相关的资料。请问一下，这两个接口该怎么使用？可以提供一下相关的例子？

Yongan.Fu · Accepted Answer

如下代码可以出现进度条，但是每个文件一次进度展示，没有用双进度条。 
 ...
#include <PointCloud\PointCloudApi.h>
...

...
USING_NAMESPACE_BENTLEY_POINTCLOUD
....

MSDialogP g_cmplDbP;
struct MyPointCloudImportProgress : public IPointCloudImportProgress
{
	virtual bool _OnProgress(WCharCP filename, Int32 TotalPercentage, Int32 FilePercentage, ConvertPhase step)
	{
 mdlDialog_completionBarUpdate(g_cmplDbP, filename, FilePercentage);
 return true;
	}
	virtual void _OnError(WCharCP message)
	{
	}
};
void importPointCloud()
{
	g_cmplDbP = mdlDialog_completionBarOpen(L"PointCloud Importing ...");
	mdlDialog_completionBarUpdate(g_cmplDbP, NULL, 0);

	IPointCloudImporterPtr importer = IPointCloudImporter::CreateImporter(L"PointCloud Importer", *ACTIVEMODEL);
	BeFileListIterator myIter(L"D:\ValuableQuestions\0075.LAS-PointCloud", true);
	BeFileName myName;
	while (SUCCESS == myIter.GetNextFileName(myName))
	{
 importer->AddImportFile(myName.GetName());
	}
	MyPointCloudImportProgress progress;
	importer->SetImportProgress(progress);
	importer->SetOutputFileName(L"C:\temp");
	importer->SetMultipleOutput(true);
	importer->ConvertToPOD();

	mdlDialog_completionBarClose(g_cmplDbP);
}

[MSCE U13 C++]点云导入和导出添加进度条的问题

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