/// <summary>
/// close selected tab
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void closeToolStripMenuItem_Click(object sender, EventArgs e)
{
if (tabControl.TabPages.Count > 1) //we don't remove tab page when tabControl has only one tab page
{
//we can use this one line of code below to easily remove selected tab page but it causes flinking
// tabControl.TabPages.Remove(tabControl.SelectedTab);
//Show SaveDialog
string result = DiaLogClass.ShowSafeCloseTabDialog(tabControl.SelectedTab);
if (result == "Cancel")
{
return;
}
//Delete the selected tab page status
TabControlClass.RemoveTabPageStatus(tabControl.SelectedTab);
//that's the reason why use the number lines of code below
//somehow if we set the tab page we are about to remove to another one (in this case we are about to remove selected tab page),
//it doesn't cause the flinking
TabPage tabToRemove = tabControl.SelectedTab;
if (tabControl.SelectedIndex != 0)
{
//set the selectedtab to the first tab page
tabControl.SelectedIndex = tabControl.SelectedIndex - 1;
}
else //if the tab we are about to remove is the first tab, just simply set selectedtab to 1
{
tabControl.SelectedTab = tabControl.TabPages[1];
}
//remove tab
tabControl.TabPages.Remove(tabToRemove);
}
}
/// <summary>
/// close all tap except selected tab
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void closeAllToolStripMenuItem_Click(object sender, EventArgs e)
{
//remove all the tab except the selected Tab
foreach (TabPage tabPage in tabControl.TabPages)
{
if (tabPage != tabControl.SelectedTab)
{
string result = DiaLogClass.ShowSafeCloseTabDialog(tabPage);
if (result == "Cancel")
{
return;
}
//Delete tab status
TabControlClass.RemoveTabPageStatus(tabPage);
//Remove tab Page
tabControl.TabPages.Remove(tabPage);
}
}
}
