private Image GetSystemBitmap(SystemImageList sysImgList, int index)
{
System.Drawing.Icon ico = sysImgList.Icon(index);
if (ico != null)
{
return(ico.ToBitmap( ));
}
else
{
return(null);
}
}
private static void SetImageListControl(Control ctrl, SystemImageList sysImageList, bool forStateImages)
{
if (ctrl.GetType( ) != typeof(ListView) && (ctrl.GetType( ) != typeof(TreeView) && !ctrl.GetType( ).IsSubclassOf(typeof(TreeView))))
{
throw new ArgumentException("Invalid type of control");
}
IntPtr wParam = IntPtr.Zero;
if (ctrl.GetType( ) == typeof(ListView))
{
wParam = (IntPtr)LVSIL_NORMAL;
}
else
{
wParam = (IntPtr)TVSIL_NORMAL;
}
if (sysImageList.ImageListSize == SystemImageListSize.SmallIcons)
{
if (ctrl.GetType( ) == typeof(ListView))
{
wParam = (IntPtr)LVSIL_SMALL;
}
}
if (forStateImages)
{
if (ctrl.GetType( ) == typeof(ListView))
{
wParam = (IntPtr)LVSIL_STATE;
}
else
{
wParam = (IntPtr)TVSIL_STATE;
}
}
if (ctrl.GetType( ) == typeof(ListView))
{
SendMessage(ctrl.Handle, LVM_SETIMAGELIST, wParam, sysImageList.Handle);
}
else
{
SendMessage(ctrl.Handle, TVM_SETIMAGELIST, wParam, sysImageList.Handle);
}
}
public static void SetImageList(ListView listView, SystemImageList sysImageList, bool forStateImages)
{
SystemImageList.SetImageListControl(listView, sysImageList, forStateImages);
}
public static void SetImageList(TreeView tree, SystemImageList sysImageList, bool forStateImages)
{
SystemImageList.SetImageListControl(tree, sysImageList, forStateImages);
}
private SystemImageListHost()
{
SystemIcons = new Dictionary<string, int>();
SmallSystemImageList = new SystemImageList(SystemImageListSize.SmallIcons);
LargeSystemImageList = new SystemImageList(SystemImageListSize.LargeIcons);
}
private int GetSystemIconIndex(SystemImageList sysImgList, string file)
{
return(sysImgList.IconIndex(file, false));
}
private SystemImageListHost()
{
SystemIcons = new Dictionary <string, int>();
SmallSystemImageList = new SystemImageList(SystemImageListSize.SmallIcons);
LargeSystemImageList = new SystemImageList(SystemImageListSize.LargeIcons);
}
private static void SetImageListControl ( Control ctrl, SystemImageList sysImageList, bool forStateImages ) {
if ( ctrl.GetType ( ) != typeof ( ListView ) && ( ctrl.GetType ( ) != typeof ( TreeView ) && !ctrl.GetType ( ).IsSubclassOf ( typeof ( TreeView ) ) ) )
throw new ArgumentException ( "Invalid type of control" );
IntPtr wParam = IntPtr.Zero;
if ( ctrl.GetType ( ) == typeof ( ListView ) )
wParam = (IntPtr)LVSIL_NORMAL;
else
wParam = (IntPtr)TVSIL_NORMAL;
if ( sysImageList.ImageListSize == SystemImageListSize.SmallIcons ) {
if ( ctrl.GetType ( ) == typeof ( ListView ) )
wParam = (IntPtr)LVSIL_SMALL;
}
if ( forStateImages ) {
if ( ctrl.GetType ( ) == typeof ( ListView ) )
wParam = (IntPtr)LVSIL_STATE;
else
wParam = (IntPtr)TVSIL_STATE;
}
if ( ctrl.GetType ( ) == typeof ( ListView ) )
SendMessage ( ctrl.Handle, LVM_SETIMAGELIST, wParam, sysImageList.Handle );
else
SendMessage ( ctrl.Handle, TVM_SETIMAGELIST, wParam, sysImageList.Handle );
}
public static void SetImageList ( ListView listView, SystemImageList sysImageList, bool forStateImages ) {
SystemImageList.SetImageListControl ( listView, sysImageList, forStateImages );
}
public static void SetImageList ( TreeView tree, SystemImageList sysImageList, bool forStateImages ) {
SystemImageList.SetImageListControl ( tree, sysImageList, forStateImages );
}
/// <summary>
/// Gets the index of the system icon.
/// </summary>
/// <param name="sysImgList">The sys img list.</param>
/// <param name="file">The file.</param>
/// <returns></returns>
private int GetSystemIconIndex( SystemImageList sysImgList, string file )
{
return sysImgList.IconIndex ( file, false );
}
/// <summary>
/// Gets the system bitmap.
/// </summary>
/// <param name="sysImgList">The sys img list.</param>
/// <param name="index">The index.</param>
/// <returns></returns>
private Image GetSystemBitmap( SystemImageList sysImgList, int index )
{
System.Drawing.Icon ico = sysImgList.Icon ( index );
if ( ico != null ) {
return ico.ToBitmap ( );
} else {
return null;
}
}
