private void WmNcpaint(ref Message m)
{
base.WndProc(ref m);
checked
{
if (this.RenderWithVisualStyles())
{
int iPartId = 1;
int iStateId;
if (base.Enabled)
{
if (base.ReadOnly)
{
iStateId = 6;
}
else
{
iStateId = 1;
}
}
else
{
iStateId = 4;
}
NativeMethods.RECT rECT;
NativeMethods.GetWindowRect(base.Handle, out rECT);
rECT.Right -= rECT.Left;
rECT.Bottom -= rECT.Top;
rECT.Top = (rECT.Left = 0);
IntPtr windowDC = NativeMethods.GetWindowDC(base.Handle);
NativeMethods.RECT rECT2 = rECT;
rECT2.Left += this.borderRect.Left;
rECT2.Top += this.borderRect.Top;
rECT2.Right -= this.borderRect.Right;
rECT2.Bottom -= this.borderRect.Bottom;
NativeMethods.ExcludeClipRect(windowDC, rECT2.Left, rECT2.Top, rECT2.Right, rECT2.Bottom);
IntPtr hTheme = NativeMethods.OpenThemeData(base.Handle, "EDIT");
if (NativeMethods.IsThemeBackgroundPartiallyTransparent(hTheme, 1, 1) != 0)
{
NativeMethods.DrawThemeParentBackground(base.Handle, windowDC, ref rECT);
}
NativeMethods.DrawThemeBackground(hTheme, windowDC, iPartId, iStateId, ref rECT, IntPtr.Zero);
NativeMethods.CloseThemeData(hTheme);
NativeMethods.ReleaseDC(base.Handle, windowDC);
m.Result = IntPtr.Zero;
}
}
}