/// <summary>
/// Gets the NotifyIcon rectangle
/// </summary>
/// <param name="handle">Handle of the NotifyIcon</param>
/// <returns></returns>
private bool GetNotifyIconScreenRect(IntPtr handle)
{
WINAPI.RECT loNotifyIconRecr = new WINAPI.RECT();
if (handle == IntPtr.Zero)
{
return false;
}
// Find tray window
IntPtr hWndTray = WINAPI.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Shell_TrayWnd", 0);
if (hWndTray == IntPtr.Zero)
return false;
// Find SysTray toolbar
WINAPI.EnumChildWindowsCallback callback = new WINAPI.EnumChildWindowsCallback(EnumChildWindowsFunc);
WINAPI.EnumChildWindows(hWndTray, callback, 0);
if (!mFound)
return false;
mFound = false;
hWndTray = mHWndNotify;
// Get a NotifyIcon rectangle and a tip position
if (WINAPI.GetWindowRect(handle, ref loNotifyIconRecr) == 0)
return false;
if (WINAPI.MapWindowPoints(hWndTray, IntPtr.Zero, ref loNotifyIconRecr, 2) == 0)
return false;
// Here we should analyze where SysTray happens to be - up, left, right or bottom
moPosition.X = loNotifyIconRecr.left;
moPosition.Y = loNotifyIconRecr.top;
return true;
}
/// <summary>
/// Tooltip window proc
/// </summary>
/// <param name="hWnd"></param>
/// <param name="iMsg"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
protected int WindowProc(IntPtr hWnd, UInt32 iMsg, IntPtr wParam, IntPtr lParam)
{
int height = 0;
int width = 0;
IntPtr nativeProc = WINAPI.GetProp(hWnd, "NATIVEPROC");
if (iMsg == WINAPI.WM_PAINT)
{
// Drow the original tooltip
int liWinProcResult = WINAPI.CallWindowProc(nativeProc, hWnd, iMsg, wParam, lParam);
WINAPI.TOOLINFO ti = new WINAPI.TOOLINFO();
ti.cbSize = Marshal.SizeOf(ti.GetType());
ti.hwnd = GetHandler(moNotifyIcon);
if (ti.hwnd != IntPtr.Zero)
{
// Create graphics object for the tooltip
Graphics loGraphics = Graphics.FromHwnd(hWnd);
WINAPI.RECT rect = new WINAPI.RECT();
WINAPI.RECT rect1 = new WINAPI.RECT();
WINAPI.GetWindowRect(hWnd, ref rect);
// In rect1 - tooltip rectangle
// Calculate text display rectangle to rect
rect1 = rect;
WINAPI.SendMessage(hWnd, WINAPI.TTM_ADJUSTRECT, 0, out rect);
// Width and heigth of the text area
width = rect.right - rect.left;
height = rect.bottom - rect.top;
//Calculate iner rectangle of the text area
rect.left = rect.left - rect1.left;
rect.top = rect.top - rect1.top;
rect.right = rect.left + width;
rect.bottom = rect.top + height;
//Clear text area: 16 pixs - header, 30 pixs from bottom
loGraphics.FillRectangle(new SolidBrush(Color.LightYellow), new Rectangle(rect.left, rect.top + 16, width, height-30));
//Add close button and click handler
// 16 pixs for the button control
moCloseButton.Location = new System.Drawing.Point(rect.right - 16, rect.top);
moCloseButton.AutoSize = false;
moCloseButton.Click += CloseButtonClick;
WINAPI.SetParent(moCloseButton.Handle, hWnd);
//Adding panel to the tooltip below the header
moPanel.Location = new Point(rect.left, rect.top + 16);
WINAPI.SetParent(moPanel.Handle, hWnd);
loGraphics = null;
}
return liWinProcResult;
}
return WINAPI.CallWindowProc(nativeProc, hWnd, iMsg, wParam, lParam);
}