/// <include file='doc\RadioButton.uex' path='docs/doc[@for="RadioButton.OnEnter"]/*' />
/// <internalonly/>
/// <devdoc>
/// </devdoc>
protected override void OnEnter(EventArgs e)
{
// Just like the Win32 RadioButton, fire a click if the
// user arrows onto the control..
//
if (MouseButtons == MouseButtons.None)
{
if (UnsafeNativeMethods.GetKeyState((int)Keys.Tab) >= 0)
{
//We enter the radioButton by using arrow keys
//Paint in raised state...
//
ResetFlagsandPaint();
if (!ValidationCancelled)
{
OnClick(e);
}
}
else
{
//we enter the radioButton by pressing Tab
PerformAutoUpdates(true);
//reset the TabStop so we can come back later
//notice that PerformAutoUpdates will set the
//TabStop of this button to false
TabStop = true;
}
}
base.OnEnter(e);
}
