internal static void AdjustFontSize(IServiceProvider serviceProvider, Guid category, short change)
{
IVsFontAndColorStorage storage = (IVsFontAndColorStorage)serviceProvider.GetService(typeof(SVsFontAndColorStorage));
IVsFontAndColorUtilities utilities = storage as IVsFontAndColorUtilities;
LOGFONTW[] pLOGFONT = new LOGFONTW[1];
FontInfo[] pInfo = new FontInfo[1];
ErrorHandler.ThrowOnFailure(storage.OpenCategory(category, (uint)(__FCSTORAGEFLAGS.FCSF_LOADDEFAULTS | __FCSTORAGEFLAGS.FCSF_PROPAGATECHANGES)));
try
{
if (!ErrorHandler.Succeeded(storage.GetFont(pLOGFONT, pInfo)))
{
return;
}
pInfo[0].wPointSize = checked ((ushort)(pInfo[0].wPointSize + change));
ErrorHandler.ThrowOnFailure(storage.SetFont(pInfo));
ErrorHandler.ThrowOnFailure(utilities.FreeFontInfo(pInfo));
}
finally
{
storage.CloseCategory();
}
}
public static async Task AdjustFontSizeAsync(string categoryGuid, short change)
{
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
IVsFontAndColorStorage storage = await VS.Shell.GetFontAndColorStorageAsync();
Assumes.Present(storage);
// ReSharper disable once SuspiciousTypeConversion.Global
var utilities = storage as IVsFontAndColorUtilities;
if (utilities == null)
{
return;
}
var pLOGFONT = new LOGFONTW[1];
var pInfo = new FontInfo[1];
var category = new Guid(categoryGuid);
ErrorHandler.ThrowOnFailure(storage.OpenCategory(category, (uint)(__FCSTORAGEFLAGS.FCSF_LOADDEFAULTS | __FCSTORAGEFLAGS.FCSF_PROPAGATECHANGES)));
try
{
if (!ErrorHandler.Succeeded(storage.GetFont(pLOGFONT, pInfo)))
{
return;
}
pInfo[0].wPointSize = checked ((ushort)(pInfo[0].wPointSize + change));
ErrorHandler.ThrowOnFailure(storage.SetFont(pInfo));
ErrorHandler.ThrowOnFailure(utilities.FreeFontInfo(pInfo));
}
finally
{
storage.CloseCategory();
}
}