private static void DrawWrapper(VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, DrawWrapperMethod func)
{
using (SafeGDIHandle primaryHdc = new SafeGDIHandle(dc))
{
// Create a memory DC so we can work offscreen
using (SafeCompatibleDCHandle memoryHdc = new SafeCompatibleDCHandle(primaryHdc))
{
// Create a device-independent bitmap and select it into our DC
BITMAPINFO info = new BITMAPINFO(bounds.Width, -bounds.Height);
using (SafeDCObjectHandle dib = new SafeDCObjectHandle(memoryHdc, GDI.CreateDIBSection(primaryHdc, ref info, 0, 0, IntPtr.Zero, 0)))
{
// Call method
func(memoryHdc);
// Copy to foreground
const int SRCCOPY = 0x00CC0020;
GDI.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
}
}
}
}
public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
{
DrawWrapper(rnd, dc, bounds,
delegate(IntPtr memoryHdc) {
// Create and select font
using (SafeDCObjectHandle fontHandle = new SafeDCObjectHandle(memoryHdc, font.ToHfont()))
{
// Draw glowing text
DrawThemeTextOptions dttOpts = new DrawThemeTextOptions(true);
dttOpts.TextColor = color;
dttOpts.GlowSize = 10;
dttOpts.AntiAliasedAlpha = true;
RECT textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
DrawThemeTextEx(rnd.Handle, memoryHdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref textBounds, ref dttOpts);
}
}
);
}
