public static extern IntPtr CreateDIBSection(IntPtr hdc, ref BITMAPINFO pbmi, uint iUsage, int ppvBits, IntPtr hSection, uint dwOffset);
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 extern IntPtr CreateDIBSection(IntPtr hdc, ref BITMAPINFO pbmi, uint iUsage, int ppvBits, IntPtr hSection, uint dwOffset);