Increasing the width of a row in a TreeView

[GreyGeek]

viewModel->setQuery(queryStr);
	if (viewModel->lastError().type() == QSqlError::NoError){
		wnui.wholeNameView->setModel(viewModel);
		if (viewModel->rowCount() > 0){
			for (int i = 0; i < viewModel->rowCount(); ++i)
				this->wnui.wholeNameView->verticalHeader()->resizeSection(i,20);
			for (int i = 0; i < 7; ++i)
				wnui.wholeNameView->resizeColumnToContents(i);

viewModel->setQuery(queryStr);
	if (viewModel->lastError().type() == QSqlError::NoError){
		wnui.wholeNameView->setModel(viewModel);
		if (viewModel->rowCount() > 0){
			for (int i = 0; i < viewModel->rowCount(); ++i)
				this->wnui.wholeNameView->verticalHeader()->resizeSection(i,20);
			for (int i = 0; i < 7; ++i)
				wnui.wholeNameView->resizeColumnToContents(i);

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