/// <summary>
/// Process the incoming key as being pressed.
/// </summary>
/// <param name="key">Key data.</param>
public void AppendKeyPress(char key)
{
// We only use uppercase characters
key = char.ToUpper(key);
// Find the new prefix with the additional key
string newPrefix = _prefix + key;
// Search for any keytip that is an exact match
foreach (ViewDrawRibbonKeyTip viewKeyTip in _viewList)
{
if (viewKeyTip.KeyTipInfo.KeyString.Equals(newPrefix))
{
// Invoke the target
viewKeyTip.KeyTipInfo.KeyTipSelect(_ribbon);
return;
}
}
// Search to see if any keytip has this as a prefix
bool found = false;
foreach (ViewDrawRibbonKeyTip viewKeyTip in _viewList)
{
if (viewKeyTip.KeyTipInfo.KeyString.StartsWith(newPrefix))
{
found = true;
break;
}
}
if (found)
{
// Append the character to the prefix string
_prefix += key;
// Hide ourself and then show again to force redraw
PI.ShowWindow(Handle, (short)PI.SW_HIDE);
// Use timer to force redraw
StartTimer();
}
else
{
// Escape key is not considered an error character
if (key != 27)
{
// Issue a windows error sound
PI.MessageBeep(PI.MESSAGE_BEEP_ERROR);
}
}
}
