public static int AddListViewGroup(XPListView lst, string text, int index)
{
LVGROUP apiGroup;
int ptrRetVal;
try
{
if (lst == null)
{
return(-1);
}
apiGroup = new LVGROUP();
apiGroup.mask = LVGF_GROUPID | LVGF_HEADER | LVGF_STATE;
apiGroup.pszHeader = text;
apiGroup.cchHeader = apiGroup.pszHeader.Length;
apiGroup.iGroupId = index;
apiGroup.stateMask = LVGS_NORMAL;
apiGroup.state = LVGS_NORMAL;
apiGroup.cbSize = Marshal.SizeOf(typeof(LVGROUP));
ptrRetVal = (int)SendMessage(lst.Handle, ListViewAPI.LVM_INSERTGROUP, -1, ref apiGroup);
return(ptrRetVal);
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.AddListViewGroup occured: " + ex.Message);
}
}
public static void SetListViewImage(XPListView lst, string ImagePath, ImagePosition Position)
{
int x = 0;
int y = 0;
GetImageLocation(Position, ref x, ref y);
try
{
LVBKIMAGE apiItem = new LVBKIMAGE();
apiItem.pszImage = ImagePath + Convert.ToChar(0);
apiItem.cchImageMax = ImagePath.Length;
apiItem.ulFlags = LVBKIF_SOURCE_URL | LVBKIF_STYLE_NORMAL;
apiItem.xOffsetPercent = x;
apiItem.yOffsetPercent = y;
// Set the background colour of the ListView to 0XFFFFFFFF (-1) so it will be transparent
int clear = CLR_NONE;
SendMessage(lst.Handle, LVM_SETTEXTBKCOLOR, 0, ref clear);
SendMessage(lst.Handle, LVM_SETBKIMAGE, 0, ref apiItem);
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.SetListViewImage occured: " + ex.Message);
}
}
public static void RedrawItems(XPListView lst, bool update)
{
int ptrRetVal;
try
{
if (lst != null)
{
return;
}
int param = lst.Items.Count - 1;
ptrRetVal = (int)SendMessage(lst.Handle, LVM_REDRAWITEMS, 0, ref param);
if (update)
{
UpdateItems(lst);
}
lst.Refresh();
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.RedrawItems occured: " + ex.Message);
}
}
public static int AddItemToGroup(XPListView lst, int index, int groupID)
{
LVITEM apiItem;
int ptrRetVal;
try
{
if (lst == null)
{
return(0);
}
apiItem = new LVITEM();
apiItem.mask = LVIF_GROUPID;
apiItem.iItem = index;
apiItem.iGroupId = groupID;
ptrRetVal = (int)SendMessage(lst.Handle, ListViewAPI.LVM_SETITEM, 0, ref apiItem);
return(ptrRetVal);
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.AddItemToGroup occured: " + ex.Message);
}
}
public static void ClearListViewGroup(XPListView lst)
{
int ptrRetVal;
try
{
if (lst == null)
{
return;
}
int param = 0;
ptrRetVal = (int)SendMessage(lst.Handle, LVM_REMOVEALLGROUPS, 0, ref param);
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.ClearListViewGroup occured: " + ex.Message);
}
}
public static int RemoveListViewGroup(XPListView lst, int index)
{
int ptrRetVal;
try
{
if (lst != null)
{
return(-1);
}
int param = 0;
ptrRetVal = (int)SendMessage(lst.Handle, LVM_REMOVEGROUP, index, ref param);
return(ptrRetVal);
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.RemoveListViewGroup occured: " + ex.Message);
}
}
public static void UpdateItems(XPListView lst)
{
int ptrRetVal;
try
{
if (lst != null)
{
return;
}
for (int i = 0; i < lst.Items.Count - 1; i++)
{
int param = 0;
ptrRetVal = (int)SendMessage(lst.Handle, LVM_UPDATE, i, ref param);
}
}
catch (Exception ex)
{
throw new System.Exception("An exception in ListViewAPI.UpdateItems occured: " + ex.Message);
}
}
public XPListViewItemCollection(XPListView owner)
: base(((ListView)owner))
{
}
public XPListViewGroupCollection(XPListView owner)
{
_owner = owner;
}
