How to do correct icons that scale in windows with ctrl + Scroll up

[Morthawt]

Now that there is no default icon, I am going to want to design an icon for some of my programs to prevent them looking disgusting. I can make an .ico with photoshop but last time I did that the icon did not scale when you make icons large in windows. All other programs scale nicely but for some reason mine did not. 

Is there a correct way of making the icon scale?

[DatMCEyeBall]

If you open up the .ico in photoshop, are there multiple layers?

Edited January 8, 2014 by DatMCEyeBall

[Morthawt]

I have nothing at the moment, I am just trying to get the method before I go messing with it. As far as I am aware an ico file is a static one layer file. I could be wrong though.

[mojomatt]

You'll likely need to save the .ico with multiple images of various sizes.  Try a program like IcoFX.

[KaFu]

You need to have multiple icons in the .ico file (see "Size requirements: The full set includes 16x16, 32x32, 48x48, and 256x256"):

http://msdn.microsoft.com/en-us/library/windows/desktop/aa511280.aspx

My favorite program for concatenating icons is "@icon sushi".

Edited January 8, 2014 by KaFu

[Morthawt]

You need to have multiple icons in the .ico file (see "Size requirements: The full set includes 16x16, 32x32, 48x48, and 256x256"):

http://msdn.microsoft.com/en-us/library/windows/desktop/aa511280.aspx

My favorite program for concatenating icons is "@icon sushi".

 

Thanks, I will try this.

[Morthawt]

Worked perfectly. Saved a 256, 128, 64, 32 version, saved as one .ico file and it works flawlessly. Thank you.