#include?“dialog.h“
#include?“ui_dialog.h“
#include?
#include?

Dialog::Dialog（QWidget?*parent）?:
????QDialog（parent）
????ui（new?Ui::Dialog）sharedMem（“QSharedMemoryDemo“）
{
????ui->setupUi（this）;
}

Dialog::~Dialog（）
{
????delete?ui;
	if?（sharedMem.isAttached（））
		detach（）;
}

void?Dialog::on_WritePushButton_clicked（）
{
	?if?（sharedMem.isAttached（））
????????detach（）;

	QString?strTmp?=?ui->WriteLineEdit->text（）;

	QBuffer?buffer;
	buffer.open（QBuffer::ReadWrite）;
	QDataStream?out（&buffer）;
	out?<	int?size?=?buffer.size（）;

//????int?size?=?strTmp.size（）;

	if?（strTmp.size（）?<=?0）
	{
		QMessageBox::information（this“tip““please?enter?first!“）;
		return;
	}
????if?（!sharedMem.create（size?QSharedMemory::ReadWrite））?{
????????QMessageBox::critical（this“warning““Unable?to?create?shared?memory?segment!“）;
????????return;
????}
????sharedMem.lock（）;
????char?*to?=?（char*）sharedMem.data（）;
????const?char?*from?=?buffer.data（）.data（）;
????memcpy（to?from?qMin（sharedMem.size（）?size））;
????sharedMem.unlock（）;
}

void?Dialog::on_ReadPushButton_clicked（）
{
	if?（!sharedMem.isAttached（））
	{
		if?（!sharedMem.attach（））?{
			QMessageBox::critical（this“warning““Unable?to?attach?to?shared?memory?segment!“）;
			return;
		}
	}
	
	QBuffer?buffer;
	QDataStream?in（&buffer）;
	QString?strTmp;

	sharedMem.lock（）;
	buffer.setData（（char*）sharedMem.constData（）?sharedMem.size（））;
	buffer.open（QBuffer::ReadOnly）;
	in?>>?strTmp;
	sharedMem.unlock（）;

	ui->ReadLineEdit->setText（strTmp）;
}

void?Dialog::detach（）
{
	if?（!sharedMem.detach（））?
		QMessageBox::critical（this“警告““Unable?to?detach?from?shared?memory“）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-03-21?21:51??SharedMemoryDemo\
?????目錄???????????0??2012-12-26?15:25??SharedMemoryDemo\GeneratedFiles\
?????目錄???????????0??2013-03-21?21:51??SharedMemoryDemo\GeneratedFiles\Debug\
?????目錄???????????0??2013-03-21?21:51??SharedMemoryDemo\GeneratedFiles\Release\
?????文件????????3520??2012-12-26?15:55??SharedMemoryDemo\GeneratedFiles\ui_dialog.h
?????文件?????????377??2012-12-26?14:04??SharedMemoryDemo\SharedMemoryDemo.pro
?????文件???????12827??2012-12-26?16:24??SharedMemoryDemo\SharedMemoryDemo.pro.user
?????文件????????1851??2012-12-27?15:56??SharedMemoryDemo\SharedMemoryDemo.sln
?????文件???????22016??2013-01-11?16:23??SharedMemoryDemo\SharedMemoryDemo.suo
?????文件???????13463??2013-01-11?16:22??SharedMemoryDemo\SharedMemoryDemo.vcxproj
?????文件????????3133??2013-01-11?16:22??SharedMemoryDemo\SharedMemoryDemo.vcxproj.filters
?????文件?????????577??2013-01-11?16:22??SharedMemoryDemo\SharedMemoryDemo.vcxproj.user
?????目錄???????????0??2012-12-26?15:25??SharedMemoryDemo\Win32\
?????目錄???????????0??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\
?????文件???????70600??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\CL.read.1.tlog
?????文件????????1472??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\CL.write.1.tlog
?????文件?????????638??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\SharedMemoryDemo.exe.intermediate.manifest
?????文件??????????61??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\SharedMemoryDemo.lastbuildstate
?????文件????????3087??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\SharedMemoryDemo.log
?????文件????????4090??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\cl.command.1.tlog
?????文件????????1362??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\custombuild.command.1.tlog
?????文件?????????268??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\custombuild.read.1.tlog
?????文件?????????418??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\custombuild.write.1.tlog
?????文件??????121736??2012-12-26?16:42??SharedMemoryDemo\Win32\Debug\dialog.obj
?????文件????????2022??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\link.command.1.tlog
?????文件????????2994??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\link.read.1.tlog
?????文件?????????848??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\link.write.1.tlog
?????文件???????48013??2012-12-26?15:25??SharedMemoryDemo\Win32\Debug\main.obj
?????文件???????51291??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\moc_dialog.obj
?????文件?????????440??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\mt.command.1.tlog
?????文件?????????806??2013-01-11?12:58??SharedMemoryDemo\Win32\Debug\mt.read.1.tlog
............此處省略10個文件信息