/*public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
* {
* 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)))
* {
* // 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;
* NativeMethods.RECT textBounds = new NativeMethods.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);
*
* // Copy to foreground
* const int SRCCOPY = 0x00CC0020;
* GDI.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
* }
* }
* }
* }
* }*/
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 (NativeMethods.SafeCompatibleDCHandle memoryHdc = new NativeMethods.SafeCompatibleDCHandle(primaryHdc))
{
// Create a device-independent bitmap and select it into our DC
NativeMethods.BITMAPINFO info = new NativeMethods.BITMAPINFO(bounds.Width, -bounds.Height);
using (NativeMethods.SafeDCObjectHandle dib = new NativeMethods.SafeDCObjectHandle(memoryHdc, NativeMethods.CreateDIBSection(primaryHdc, ref info, 0, IntPtr.Zero, IntPtr.Zero, 0)))
{
// Call method
func(memoryHdc);
// Copy to foreground
const int SRCCOPY = 0x00CC0020;
NativeMethods.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
}
}
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.Paint" /> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs" /> that contains the event data.</param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (BufferedPaintSupported)
{
bool stateChanged = !Object.Equals(currentState, newState);
using (var hdc = new SafeGDIHandle(e.Graphics))
{
if (!hdc.IsInvalid)
{
// see if this paint was generated by a soft-fade animation
if (!NativeMethods.BufferedPaintRenderAnimation(this.Handle, hdc))
{
NativeMethods.BufferedPaintAnimationParams animParams = new NativeMethods.BufferedPaintAnimationParams(NativeMethods.BufferedPaintAnimationStyle.Linear);
// get appropriate animation time depending on state transition (or 0 if unchanged)
if (stateChanged)
{
foreach (var item in transitions)
{
if (item.currentState == currentState && item.newState == newState)
{
animParams.Duration = item.duration;
break;
}
}
}
Rectangle rc = this.ClientRectangle;
IntPtr hdcFrom, hdcTo;
IntPtr hbpAnimation = NativeMethods.BeginBufferedAnimation(this.Handle, hdc, ref rc, NativeMethods.BufferedPaintBufferFormat.CompatibleBitmap, IntPtr.Zero, ref animParams, out hdcFrom, out hdcTo);
if (hbpAnimation != IntPtr.Zero)
{
if (hdcFrom != IntPtr.Zero)
{
using (Graphics gfxFrom = Graphics.FromHdc(hdcFrom))
PaintControl(new PaintEventArgs(gfxFrom, e.ClipRectangle));
}
currentState = newState;
if (hdcTo != IntPtr.Zero)
{
using (Graphics gfxTo = Graphics.FromHdc(hdcTo))
PaintControl(new PaintEventArgs(gfxTo, e.ClipRectangle));
}
NativeMethods.EndBufferedAnimation(hbpAnimation, true);
}
else
{
hdc.Dispose();
currentState = newState;
PaintControl(e);
}
}
}
}
}
else
{
// buffered painting not supported, just paint using the current state
currentState = newState;
PaintControl(e);
}
}
