public void ApplyShadows(Form form)
{
int attrValue = 2;
DropShaddow.DwmSetWindowAttribute(form.Handle, 2, ref attrValue, 4);
DropShaddow.MARGINS pMarInset = new DropShaddow.MARGINS()
{
bottomHeight = 1,
leftWidth = 0,
rightWidth = 0,
topHeight = 0
};
DropShaddow.DwmExtendFrameIntoClientArea(form.Handle, ref pMarInset);
}
public static extern int DwmExtendFrameIntoClientArea(IntPtr hWnd, ref DropShaddow.MARGINS pMarInset);
