Method ToggleCheckState

Libraries/TabbingFramework/TabbedMDISave.cpp:1565–1604

}

void CSaveModifiedItemsDialog::ToggleCheckState(int item)
{
	LVITEM lvi = { 0 };
	lvi.iItem = item;
	lvi.iSubItem = 0;
	lvi.mask = (LVIF_INDENT | LVIF_STATE);
	lvi.stateMask = (LVIS_STATEIMAGEMASK | LVIS_SELECTED);
	m_list.GetItem(&lvi);

	CheckState checkState = (CheckState)(lvi.state & LVIS_STATEIMAGEMASK);

	CheckState newCheckState = eCheckState_Checked;
	switch(checkState)
	{
	case eCheckState_Unchecked:
		newCheckState = eCheckState_Checked;
		break;
	case eCheckState_Checked:
		newCheckState = eCheckState_Unchecked;
		break;
	case eCheckState_Indeterminate:
		newCheckState = eCheckState_Checked;
		break;
	}

	if((lvi.state & LVIS_SELECTED) != LVIS_SELECTED)
	{
		// If the item isn't selected, toggle the checkmark on just the item
		this->SetTristateCheckState(item, newCheckState);
	}
	else
	{
		// Otherwise, set the checkmark appropriately on all selected items.
		int itemToCheck = -1;
		while((itemToCheck = m_list.GetNextItem(itemToCheck, LVNI_SELECTED)) != -1)
		{
			this->SetTristateCheckState(itemToCheck, newCheckState);
		}
	}
}

void CSaveModifiedItemsDialog::SetTristateCheckState(int item, CheckState checkState)
{