3
How do I change the control's font

axSlider1.ThumbSize = 32;
axSlider1.Font.Name = "Tahoma";
axSlider1.ForeColor = Color.FromArgb(255,0,0);
axSlider1.set_Caption(EXSLIDERLib.PartEnum.exThumbPart,"thumb");

2
How can I change the control's foreground color

axSlider1.ForeColor = Color.FromArgb(255,0,0);
axSlider1.ThumbSize = 32;
axSlider1.set_Caption(EXSLIDERLib.PartEnum.exThumbPart,"thumb");

1
How can I change the control's background color

axSlider1.BackColor = Color.FromArgb(0,255,0);