/// <summary>Unregister the specified hotkey if it's in our collection
/// </summary>
/// <param name="key">The key.</param>
/// <returns>True if we successfully unregister the hotkey.</returns>
public bool Unregister(Hotkey key)
{
int id = IndexOf(key);
if (id > 0) {
if (NativeMethods.UnregisterHotKey(handle, id)) {
Hotkeys.Remove(id);
observableHotkeys.Remove(key);
return true;
}
else {
int lastError = Marshal.GetLastWin32Error();
Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
return false;
}
}
else return false;
}
/// <summary>
/// Determines if the specified <see cref="T:Hotkey"/> is equal to this one.
/// </summary>
/// <param name="key">The <see cref="T:Hotkey"/>.</param>
/// <returns>True if the key and modifiers are the same</returns>
public bool Equals(Hotkey key)
{
return (key.Modifiers == Modifiers && key.Key == Key);
}
/// <summary>Register a new hotkey, and add it to our collection
/// </summary>
/// <param name="key">A reference to the Hotkey.</param>
/// <returns>True if the hotkey was set successfully.</returns>
public void Register(Hotkey key)
{
if (handle == IntPtr.Zero)
throw new InvalidOperationException("You can't register hotkeys until your Window is loaded.");
if (NativeMethods.RegisterHotKey(handle, ++id, key.Modifiers, key.Key)) {
key.Id = id;
Hotkeys.Add(id, key);
observableHotkeys.Add(key);
}
else {
int lastError = Marshal.GetLastWin32Error();
Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
}
}
public bool Remove(Hotkey item)
{
return Unregister(item);
}
public int IndexOf(Hotkey item)
{
if (item.Id > 0 && Hotkeys.ContainsKey(item.Id))
return item.Id;
else if (Hotkeys.ContainsValue(item)) {
foreach (KeyValuePair<int, Hotkey> k in Hotkeys) {
if (item.Equals(k.Value)) {
item.Id = k.Value.Id;
return item.Id;
}
}
}
throw new ArgumentOutOfRangeException("The hotkey \"{0}\" is not in this hotkey manager.");
}
public void Insert(int index, Hotkey item)
{
throw new Exception("The method or operation is not implemented.");
}
public bool Contains(Hotkey item)
{
return Hotkeys.ContainsValue(item);
}
public void CopyTo(Hotkey[] array, int arrayIndex)
{
Hotkeys.Values.CopyTo(array, arrayIndex);
}
public void Add(Hotkey item)
{
if (Hotkeys.ContainsValue(item))
throw new ArgumentException("That Hotkey is already registered.");
Register(item);
}
public void Insert(int index, Hotkey item)
{
throw new Exception("The method or operation is not implemented.");
}
public bool Remove(Hotkey item)
{
return(Unregister(item));
}
public bool Contains(Hotkey item)
{
return(Hotkeys.ContainsValue(item));
}
/// <summary>
/// Determines if the specified <see cref="T:Hotkey"/> is equal to this one.
/// </summary>
/// <param name="key">The <see cref="T:Hotkey"/>.</param>
/// <returns>True if the key and modifiers are the same</returns>
public bool Equals(Hotkey key)
{
return(key.Modifiers == Modifiers && key.Key == Key);
}
