trackBar进度条的颜色及样式均可以修改（C#,VB都可以参考）

C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBarTestForm.exe C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBarTestForm.pdb C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBarTestForm.xml C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBar.dll C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBar.pdb C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\bin\Release\gTrackBar.xml C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.vbprojResolveAssemblyReference.cache C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Form1.resources C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Form2.resources C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Resources.resources C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.vbproj.GenerateResource.Cache C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.exe C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.xml C:\Users\Scott\Documents\Visual Studio 2012\Projects\Controls\gTrackBar Code\gTrackBarTestForm\obj\Release\gTrackBarTestForm.pdb C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.exe C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.xml C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.pdb C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBarTestForm.exe C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBarTestForm.pdb C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBarTestForm.xml C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBar.dll C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBar.pdb C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\bin\Release\gTrackBar.xml C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.vbprojResolveAssemblyReference.cache C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Form1.resources C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Form2.resources C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.Resources.resources C:\Users\Scott\Documents\Visual Studio 2013\Projects\Controls\gTrackBar\gTrackBarTestForm\obj\Release\gTrackBarTestForm.vbproj.GenerateResource.Cache