/// <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
isTargetingWindow = false;
// Unhighlight window
if (targetedWindowHandle != IntPtr.Zero)
{
Win32Ex.HighlightWindow(targetedWindowHandle);
}
targetedWindowHandle = IntPtr.Zero;
// Reset capture image and cursor
picTarget.Cursor = Cursors.Default;
picTarget.Image = imageList.Images[0];
// Get screen coords from client coords and window handle
hWnd = Win32Ex.WindowFromPoint(picTarget.Handle, e.X, e.Y);
// Get owner
while ((hTemp = Win32.GetParent(hWnd)) != IntPtr.Zero)
{
hWnd = hTemp;
}
ShowWindowInfo(hWnd, true);
// Release capture
Win32.SetCapture(IntPtr.Zero);
}
/// <summary>
/// Highlights the specified window, if valid.
/// </summary>
private void HighlightValidWindow(IntPtr hWnd, IntPtr hOwner)
{
// Check for valid highlight
if (targetedWindowHandle == hWnd)
{
return;
}
// Check for relative
if (Win32Ex.IsRelativeWindow(hWnd, hOwner, true))
{
// Unhighlight last window
if (targetedWindowHandle != IntPtr.Zero)
{
Win32Ex.HighlightWindow(targetedWindowHandle);
targetedWindowHandle = IntPtr.Zero;
}
return;
}
// Unhighlight last window
Win32Ex.HighlightWindow(targetedWindowHandle);
// Set as current target
targetedWindowHandle = hWnd;
// Highlight window
Win32Ex.HighlightWindow(hWnd);
}