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    <p>I tried to reproduce your problem, but everything is working fine for me. Here is what I did :</p> <p>With Qt-Designer, I put a <code>QTableView</code> (named <code>tbvTest</code>) on my form.</p> <p>In the constructor of my form, here is what I've written :</p> <pre><code>Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui-&gt;setupUi(this); ui-&gt;tbvTest-&gt;setModel(new TableModel); QSettings MySetting(QSettings::IniFormat, QSettings::UserScope, "Test"); QByteArray MyArray = MySetting.value("column_width", "").toByteArray(); ui-&gt;tbvTest-&gt;horizontalHeader()-&gt;restoreState(MyArray); } </code></pre> <p>(note that in my <code>main.cpp</code>, I set the <a href="http://doc.trolltech.com/4.6/qcoreapplication.html#applicationName-prop" rel="noreferrer">ApplicationName</a>, <a href="http://doc.trolltech.com/4.6/qcoreapplication.html#organizationName-prop" rel="noreferrer">OrganizationName</a> and <a href="http://doc.trolltech.com/4.6/qcoreapplication.html#organizationDomain-prop" rel="noreferrer">OrganizationDomain</a>)</p> <p>In the destructor of my form, here is what I've written :</p> <pre><code>Widget::~Widget() { QByteArray MyArray = ui-&gt;tbvTest-&gt;horizontalHeader()-&gt;saveState(); QSettings MySetting(QSettings::IniFormat, QSettings::UserScope, "Test"); MySetting.setValue("column_width", MyArray); delete ui; } </code></pre> <p>If I run the application and change the column width, quit the app and run it again, the column widths are correctly restored.</p> <p>Is there something I'm doing different from you ?</p>
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    1. POHowTo make restoreState() and saveState() work correctlly to QTableView class?
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    1. USJérôme
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    1. COThanks for the great answer, I'll try your example as soon as possible. I made all the same things, but a little bit complex. After I get the success result, I'll mentions here about it!
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    2. COMaking question answered, because I had promissed! %)
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