private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
if (!start)
{
if (e.Button == MouseButtons.Left)
{
p0 = e.Location;
}
SplashScreen.Refresh();
start = true;
}
else
{
if (SplashScreen.Image == null)
{
return;
}
if (e.Button == MouseButtons.Left)
{
SplashScreen.Refresh();
p1 = e.Location;
SplashScreen.CreateGraphics().DrawRectangle(selectPen, RectByTwoPoints(p0, e.Location));
}
start = false;
PrepareBitmap();
this.Close();
}
}
private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (SplashScreen.Image == null)
{
return;
}
if (start)
{
SplashScreen.Refresh();
SplashScreen.CreateGraphics().DrawRectangle(selectPen, RectByTwoPoints(p0, e.Location));
}
}
private void SplashScreen_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && start == true && p0 != e.Location && SplashScreen.Image != null)
{
SplashScreen.Refresh();
p1 = e.Location;
SplashScreen.CreateGraphics().DrawRectangle(selectPen, RectByTwoPoints(p0, e.Location));
start = false;
PrepareBitmap();
this.Close();
}
}