private void btnTool_Click(object sender, EventArgs e)
{
Button button = sender as Button;
ToolType = button?.Text;
sizeTrackBar.Enabled = true;
ToolAction?.Invoke();
}
private void btnBrush_Click(object sender, EventArgs e)
{
Button button = sender as Button;
BrushType = button?.Name;
sizeTrackBar.Enabled = false;
BrushAction?.Invoke();
ToolAction?.Invoke();
}