title: in C# winform, I got: "only truetype fonts are supported. This is not a TrueType Font"
body: <p>I have C# winform, I installed a couple of ttf fonts, but when i set the text box font to any of the ones i downloaded, i get this error Even though I'm 100% sure that the font I installed is ttf .. 
  why ? and how to fix this ?</p>