private void Timer_Fade_Tick(object sender, EventArgs e)
{
double d = 0.05;
if (!FORM_SHOULD_CLOSE)
{
if (Opacity + d >= 1.0)
{
Opacity = 1.0;
Timer_Fade.Stop();
}
else
{
Opacity += d;
}
}
else
{
if (Opacity - d <= 0.0)
{
Opacity = 0.0;
Timer_Fade.Stop();
Close();
}
else
{
Opacity -= d;
}
}
}
/// <summary>
/// 关闭窗体
/// </summary>
private void CloseForm()
{
if (FORM_SHOULD_CLOSE)
{
return;
}
FORM_SHOULD_CLOSE = true;
Timer_Fade.Start();
}
private void Form_ImageViewer_Load(object sender, EventArgs e)
{
Opacity = 0.0;
Timer_Fade.Start();
}
