private GlobalHotKey(IntPtr windowHandle, [NotNull] GlobalAtom globalAtom, HotKeyModifier hotKeyModifier, UInt32 virtualKeyCode)
{
if (globalAtom == null)
{
throw new ArgumentNullException(nameof(globalAtom));
}
this.WindowHandle = windowHandle;
this.globalAtom = globalAtom;
this.HotKeyModifier = hotKeyModifier;
this.VirtualKeyCode = virtualKeyCode;
}
/// <summary>
/// Unregisters this hot key instance.
/// </summary>
/// <remarks>
/// If this instance was created be supplying the <see cref="GlobalAtom"/> manually, it is not automaticall freed.
/// </remarks>
/// <exception cref="Win32Exception">If the function fails, a <see cref="Win32Exception"/> containing the reason is thrown.</exception>
/// <exception cref="ObjectDisposedException">Is thrown if <see cref="Unregister"/> was successfully called already.</exception>
public void Unregister()
{
this.CheckDisposed();
try
{
this.UnregisterHotKey();
}
finally
{
this.globalAtom.Delete();
this.globalAtom = null;
}
}
private void Dispose(Boolean disposing)
{
if (this.isDisposed)
{
return;
}
this.UnregisterHotKey();
if (disposing)
{
this.globalAtom.Dispose();
this.globalAtom = null;
}
}
public GlobalHotkey CreateHotkey(string hotkeyName)
{
var globalAtom = new GlobalAtom($"{Application.ProductName}_{hotkeyName}");
try
{
var hotkey = new GlobalHotkey(Form, globalAtom.Id);
Hotkeys.Add(globalAtom, hotkey);
return(hotkey);
}
catch
{
globalAtom.Dispose();
throw;
}
}
private static GlobalHotKey RegisterCore(IntPtr windowHandle, HotKeyModifier hotKeyModifier, UInt32 virtualKeyCode)
{
if (hotKeyModifier == HotKeyModifier.None)
{
throw new ArgumentException(String.Empty, nameof(hotKeyModifier));
}
var globalAtomName = Guid.NewGuid().ToString();
var globalAtom = (GlobalAtom)GlobalAtom.CreateNew(globalAtomName);
var registerHotKeyResult = NativeMethods.RegisterHotKey(windowHandle, globalAtom.Id, (UInt32)hotKeyModifier, virtualKeyCode);
var lastWin32Error = Marshal.GetLastWin32Error();
if (!registerHotKeyResult)
{
// It is possible that the next line throws...
globalAtom.Delete();
throw new Win32Exception(lastWin32Error);
}
return(new GlobalHotKey(windowHandle, globalAtom, hotKeyModifier, virtualKeyCode));
}
