public static extern int DrawThemeTextEx(
IntPtr hTheme,
IntPtr hdc,
int iPartId,
int iStateId,
string text,
int iCharCount,
int dwFlags,
ref NativeMethods.RECT pRect,
ref DWMAPI.DTTOPTS pOptions);
public static void DrawTextOnGlass(Graphics graphics, string text, Font font, Rectangle bounds, Color color, TextFormatFlags flags, int rflags)
{
IntPtr primaryHdc = graphics.GetHdc();
IntPtr memoryHdc = NativeMethods.CreateCompatibleDC(new HandleRef(null, primaryHdc));
NativeMethods.BITMAPINFO info = new NativeMethods.BITMAPINFO();
info.bmiHeader_biSize = Marshal.SizeOf(info);
info.bmiHeader_biWidth = bounds.Width;
info.bmiHeader_biHeight = -bounds.Height;
info.bmiHeader_biPlanes = 1;
info.bmiHeader_biBitCount = 32;
info.bmiHeader_biCompression = 0;
IntPtr ppbBits = IntPtr.Zero;
IntPtr dib = NativeMethods.CreateDIBSection(primaryHdc, info, (uint)0, out ppbBits, IntPtr.Zero, (uint)0);
NativeMethods.SelectObject(new HandleRef(null, memoryHdc), new HandleRef(null, dib));
IntPtr fontHandle = font.ToHfont();
NativeMethods.SelectObject(new HandleRef(null, memoryHdc), new HandleRef(null, fontHandle));
System.Windows.Forms.VisualStyles.VisualStyleRenderer renderer = new System.Windows.Forms.VisualStyles.VisualStyleRenderer(System.Windows.Forms.VisualStyles.VisualStyleElement.Window.Caption.Active);
DWMAPI.DTTOPTS dttOpts = new DWMAPI.DTTOPTS();
dttOpts.dwSize = Marshal.SizeOf(typeof(DWMAPI.DTTOPTS));
dttOpts.dwFlags = DWMAPI.DTT_COMPOSITED | rflags | DWMAPI.DTT_TEXTCOLOR;
dttOpts.crText = ColorTranslator.ToWin32(color);
dttOpts.iGlowSize = 10;
NativeMethods.RECT textBounds = new NativeMethods.RECT(0, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
UXTheme.DrawThemeTextEx(renderer.Handle, memoryHdc, 0, 0, text, -1, (int)flags, ref textBounds, ref dttOpts);
const int SRCCOPY = 0x00CC0020;
NativeMethods.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
NativeMethods.DeleteObject(new HandleRef(null, fontHandle));
NativeMethods.DeleteObject(new HandleRef(null, dib));
NativeMethods.DeleteDC(new HandleRef(null, memoryHdc));
graphics.ReleaseHdc(primaryHdc);
}
public static void DrawTextOnGlass(
Graphics graphics,
string text,
Font font,
Rectangle bounds,
Color color,
TextFormatFlags flags,
int rflags)
{
IntPtr hdc = graphics.GetHdc();
IntPtr compatibleDc = NativeMethods.CreateCompatibleDC(new HandleRef((object)null, hdc));
NativeMethods.BITMAPINFO pbmi = new NativeMethods.BITMAPINFO();
pbmi.bmiHeader_biSize = Marshal.SizeOf((object)pbmi);
pbmi.bmiHeader_biWidth = bounds.Width;
pbmi.bmiHeader_biHeight = -bounds.Height;
pbmi.bmiHeader_biPlanes = (short)1;
pbmi.bmiHeader_biBitCount = (short)32;
pbmi.bmiHeader_biCompression = 0;
IntPtr ppvBits = IntPtr.Zero;
IntPtr dibSection = NativeMethods.CreateDIBSection(hdc, pbmi, 0U, out ppvBits, IntPtr.Zero, 0U);
NativeMethods.SelectObject(new HandleRef((object)null, compatibleDc), new HandleRef((object)null, dibSection));
IntPtr hfont = font.ToHfont();
NativeMethods.SelectObject(new HandleRef((object)null, compatibleDc), new HandleRef((object)null, hfont));
VisualStyleRenderer visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
DWMAPI.DTTOPTS pOptions = new DWMAPI.DTTOPTS();
pOptions.dwSize = Marshal.SizeOf(typeof(DWMAPI.DTTOPTS));
pOptions.dwFlags = 8192 | rflags | 1;
pOptions.crText = ColorTranslator.ToWin32(color);
pOptions.iGlowSize = 10;
NativeMethods.RECT pRect = new NativeMethods.RECT(0, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
UXTheme.DrawThemeTextEx(visualStyleRenderer.Handle, compatibleDc, 0, 0, text, -1, (int)flags, ref pRect, ref pOptions);
NativeMethods.BitBlt(hdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, compatibleDc, 0, 0, 13369376);
NativeMethods.DeleteObject(new HandleRef((object)null, hfont));
NativeMethods.DeleteObject(new HandleRef((object)null, dibSection));
NativeMethods.DeleteDC(new HandleRef((object)null, compatibleDc));
graphics.ReleaseHdc(hdc);
}
