private void CreatePen()
{
if (width > 1) // Geometric pen.
{
// From MSDN: if width > 1, the style must be PS_NULL, PS_SOLID, or PS_INSIDEFRAME.
style |= WindowsPenStyle.Geometric | WindowsPenStyle.Solid;
}
if (wndBrush == null)
{
nativeHandle = SafeNativeMethods.CreatePen((int)style, width, ColorTranslator.ToWin32(color));
}
else
{
NativeMethods.LOGBRUSH lb = new NativeMethods.LOGBRUSH
{
lbColor = ColorTranslator.ToWin32(wndBrush.Color),
lbStyle = IntNativeMethods.BS_SOLID,
lbHatch = IntPtr.Zero
};
// Note: We currently don't support custom styles, that's why 0 and null for last two params.
nativeHandle = SafeNativeMethods.ExtCreatePen((int)style, width, ref lb, 0, null);
}
}
public static IntPtr CreateHalftoneBrush()
{
short[] numArray1 = new short[8];
for (int num1 = 0; num1 < 8; num1++)
{
numArray1[num1] = (short)(0x5555 << ((num1 & 1) & 0x1f));
}
IntPtr ptr1 = NativeMethods.CreateBitmap(8, 8, 1, 1, numArray1);
NativeMethods.LOGBRUSH logbrush1 = new NativeMethods.LOGBRUSH();
logbrush1.lbColor = ColorTranslator.ToWin32(Color.Black);
logbrush1.lbStyle = 3;
logbrush1.lbHatch = ptr1;
IntPtr ptr2 = NativeMethods.CreateBrushIndirect(logbrush1);
NativeMethods.DeleteObject(new HandleRef(null, ptr1));
return(ptr2);
}
internal IntPtr CreateHalftoneHBRUSH()
{
short[] array = new short[8];
for (int i = 0; i < 8; i++)
{
array[i] = (short)(21845 << (i & 1));
}
IntPtr intPtr = SafeNativeMethods.CreateBitmap(8, 8, 1, 1, array);
NativeMethods.LOGBRUSH lOGBRUSH = new NativeMethods.LOGBRUSH();
lOGBRUSH.lbColor = ColorTranslator.ToWin32(Color.Black);
lOGBRUSH.lbStyle = 3;
lOGBRUSH.lbHatch = intPtr;
IntPtr result = SafeNativeMethods.CreateBrushIndirect(lOGBRUSH);
SafeNativeMethods.DeleteObject(new HandleRef(null, intPtr));
return(result);
}
public static IntPtr CreateBrushIndirect(NativeMethods.LOGBRUSH lb)
{
return(System.Internal.HandleCollector.Add(IntCreateBrushIndirect(lb), NativeMethods.CommonHandles.GDI));
}
private static extern IntPtr IntCreateBrushIndirect(NativeMethods.LOGBRUSH lb);
public static extern IntPtr ExtCreatePen(int fnStyle, int dwWidth, ref NativeMethods.LOGBRUSH lplb, int dwStyleCount, int[] lpStyle);
public static extern IntPtr CreateBrushIndirect(ref NativeMethods.LOGBRUSH lb);