/// <summary>
/// Create a cursor from the supplied bitmap & hotspot coordinates
/// </summary>
/// <param name="bitmap">Bitmap to create an icon from</param>
/// <param name="hotspotX">Hotspot X coordinate</param>
/// <param name="hotspotY">Hotspot Y coordinate</param>
/// <returns>Cursor</returns>
private static Cursor CreateCursor(Bitmap bitmap, int hotspotX, int hotspotY)
{
using (var iconHandle = new SafeIconHandle(bitmap.GetHicon()))
{
User32Api.GetIconInfo(iconHandle, out var iconInfo);
iconInfo.Hotspot = new NativePoint(hotspotX, hotspotY);
iconInfo.IsIcon = false;
var icon = User32Api.CreateIconIndirect(ref iconInfo);
return(new Cursor(icon));
}
}
/// <summary>
/// This method will capture the current Cursor by using User32 Code
/// </summary>
/// <returns>A Capture Object with the Mouse Cursor information in it.</returns>
public static ICapture CaptureCursor(ICapture capture)
{
Log.Debug().WriteLine("Capturing the mouse cursor.");
if (capture == null)
{
capture = new Capture();
}
if (!User32Api.GetCursorInfo(out var cursorInfo))
{
return(capture);
}
if (cursorInfo.Flags != CursorInfoFlags.Showing)
{
return(capture);
}
using (var safeIcon = User32Api.CopyIcon(cursorInfo.CursorHandle))
{
if (!User32Api.GetIconInfo(safeIcon, out var iconInfo))
{
return(capture);
}
var cursorLocation = User32Api.GetCursorLocation();
// Allign cursor location to Bitmap coordinates (instead of Screen coordinates)
var x = cursorLocation.X - iconInfo.Hotspot.X - capture.ScreenBounds.X;
var y = cursorLocation.Y - iconInfo.Hotspot.Y - capture.ScreenBounds.Y;
// Set the location
capture.CursorLocation = new NativePoint(x, y);
using (var icon = Icon.FromHandle(safeIcon.DangerousGetHandle()))
{
capture.Cursor = icon;
}
if (iconInfo.BitmaskBitmapHandle != IntPtr.Zero)
{
DeleteObject(iconInfo.BitmaskBitmapHandle);
}
if (iconInfo.ColorBitmapHandle != IntPtr.Zero)
{
DeleteObject(iconInfo.ColorBitmapHandle);
}
}
return(capture);
}
