/// <summary>
/// Highlights the specified window, but only if it is a valid window in relation to the specified owner window.
/// </summary>
private void HighlightValidWindow(IntPtr hWnd, IntPtr hOwner)
{
// Check for valid highlight
if (targetWindow == hWnd)
{
return;
}
// Check for relative
if (NativeWin32.IsRelativeWindow(hWnd, hOwner, true))
{
// Unhighlight last window
if (targetWindow != IntPtr.Zero)
{
NativeWin32.HighlightWindow(targetWindow);
targetWindow = IntPtr.Zero;
}
return;
}
// Unhighlight last window
NativeWin32.HighlightWindow(targetWindow);
// Set as current target
targetWindow = hWnd;
// Highlight window
NativeWin32.HighlightWindow(hWnd);
}
/// <summary>
/// Handles the MouseUp event of the picTarget control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
private void picTarget_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
IntPtr hWnd;
IntPtr hTemp;
// End targeting
isTargeting = false;
// Unhighlight window
if (targetWindow != IntPtr.Zero)
{
NativeWin32.HighlightWindow(targetWindow);
}
targetWindow = IntPtr.Zero;
// Reset capture image and cursor
picTarget.Cursor = Cursors.Default;
picTarget.Image = bitmapFind;
// Get screen coords from client coords and window handle
hWnd = NativeWin32.WindowFromPoint(picTarget.Handle, e.X, e.Y);
// Get owner
while ((hTemp = NativeWin32.GetParent(hWnd)) != IntPtr.Zero)
{
hWnd = hTemp;
}
SetWindowHandle(hWnd);
// Release capture
NativeWin32.SetCapture(IntPtr.Zero);
}