protected int SetState(GroupState state, GroupState stateMask)
{
BrightIdeasSoftware.NativeMethods.LVGROUP2 group = new BrightIdeasSoftware.NativeMethods.LVGROUP2 {
cbSize = (uint)Marshal.SizeOf(typeof(BrightIdeasSoftware.NativeMethods.LVGROUP2)),
mask = 4,
state = (uint)state,
stateMask = (uint)stateMask
};
return(BrightIdeasSoftware.NativeMethods.SetGroupInfo(this.ListView, this.GroupId, group));
}
internal BrightIdeasSoftware.NativeMethods.LVGROUP2 AsNativeGroup(bool withId)
{
BrightIdeasSoftware.NativeMethods.LVGROUP2 lvgroup = new BrightIdeasSoftware.NativeMethods.LVGROUP2 {
cbSize = (uint)Marshal.SizeOf(typeof(BrightIdeasSoftware.NativeMethods.LVGROUP2)),
mask = 13,
pszHeader = this.Header,
uAlign = (uint)this.HeaderAlignment,
stateMask = (uint)this.StateMask,
state = (uint)this.State
};
if (withId)
{
lvgroup.iGroupId = this.GroupId;
lvgroup.mask ^= 0x10;
}
if (!string.IsNullOrEmpty(this.Footer))
{
lvgroup.pszFooter = this.Footer;
lvgroup.mask ^= 2;
}
if (!string.IsNullOrEmpty(this.Subtitle))
{
lvgroup.pszSubtitle = this.Subtitle;
lvgroup.mask ^= 0x100;
}
if (!string.IsNullOrEmpty(this.Task))
{
lvgroup.pszTask = this.Task;
lvgroup.mask ^= 0x200;
}
if (!string.IsNullOrEmpty(this.TopDescription))
{
lvgroup.pszDescriptionTop = this.TopDescription;
lvgroup.mask ^= 0x400;
}
if (!string.IsNullOrEmpty(this.BottomDescription))
{
lvgroup.pszDescriptionBottom = this.BottomDescription;
lvgroup.mask ^= 0x800;
}
int imageIndex = this.GetImageIndex(this.TitleImage);
if (imageIndex >= 0)
{
lvgroup.iTitleImage = imageIndex;
lvgroup.mask ^= 0x1000;
}
imageIndex = this.GetImageIndex(this.ExtendedImage);
if (imageIndex >= 0)
{
lvgroup.iExtendedImage = imageIndex;
lvgroup.mask ^= 0x2000;
}
if (!string.IsNullOrEmpty(this.SubsetTitle))
{
lvgroup.pszSubsetTitle = this.SubsetTitle;
lvgroup.mask ^= 0x8000;
}
if (this.VirtualItemCount > 0)
{
lvgroup.cItems = this.VirtualItemCount;
lvgroup.mask ^= 0x4000;
}
return(lvgroup);
}