private void DrawingField_MouseUp(object sender, MouseEventArgs e)
{
painting = false;
DrawingHandler.sendDrawing(display_matrix, is_black_brush);
display_matrix = new bool[x_size, y_size]; // filled with false
}
private void SendDrawingButton_Click(object sender, EventArgs e)
{
DrawingHandler.last_command_was_drawing = false;
DrawingHandler.sendDrawing(display_matrix, true);
}
