void BrightnessTextBoxTextChanged(object sender, EventArgs e)
{
BrightnessHelper helper = new BrightnessHelper();
helper.Step1_SetArgbControl(this);
helper.Step2_ChangedText();
}
private void SetBrightness(float x)
{
BrightnessHelper helper = new BrightnessHelper();
helper.Step1_SetArgbControl(this);
helper.Step2_ChangeByMousePos(x);
}
void BrightnessPaint(object sender, PaintEventArgs e)
{
BrightnessHelper helper = new BrightnessHelper();
helper.Step1_SetArgbControl(this);
helper.Step2_PaintBrightness(e.Graphics);
}