/// <summary>
/// Retrieves the handle of the system image list.
/// </summary>
public SystemImageList()
{
// Retrieve the info for a fake file so we can get the image list handle.
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI dwAttribs =
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES |
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
m_pImgHandle = ShellAPI.SHGetFileInfo(".txt", ShellAPI.FILE_ATTRIBUTE_NORMAL, out shInfo, (uint)Marshal.SizeOf(shInfo), dwAttribs);
// Make sure we got the handle.
if (m_pImgHandle.Equals(IntPtr.Zero))
throw new Exception("Unable to retrieve system image list handle.");
}
/// <summary>
/// Retrieves the handle of the system image list.
/// </summary>
public SystemImageList()
{
// Retrieve the info for a fake file so we can get the image list handle.
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI dwAttribs =
ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES |
ShellAPI.SHGFI.SHGFI_SMALLICON |
ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
m_pImgHandle = ShellAPI.SHGetFileInfo(".txt", ShellAPI.FILE_ATTRIBUTE_NORMAL, out shInfo, (uint)Marshal.SizeOf(shInfo), dwAttribs);
// Make sure we got the handle.
if (m_pImgHandle.Equals(IntPtr.Zero))
{
throw new Exception("Unable to retrieve system image list handle.");
}
}
private void UpdateNodeImage(TreeNode node)
{
int imageIndex = -1;
if (node.Tag != null)
{
ProjectItem item = (ProjectItem)node.Tag;
if (item is Folder || item is ProjectDocumentItem || item is RootItem)
{
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
if (node.IsExpanded)
attrs |= ShellAPI.SHGFI.SHGFI_OPENICON;
IntPtr handle = ShellAPI.SHGetFileInfo(
System.Windows.Forms.Application.StartupPath,
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
else if (item is DocumentItem)
{
string fileName = ((DocumentItem)item).AbsoluteFileName;
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES | ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
IntPtr handle = ShellAPI.SHGetFileInfo(
fileName,
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
else
{
ShellAPI.SHFILEINFO shInfo = new ShellAPI.SHFILEINFO();
ShellAPI.SHGFI attrs = ShellAPI.SHGFI.SHGFI_USEFILEATTRIBUTES | ShellAPI.SHGFI.SHGFI_SMALLICON | ShellAPI.SHGFI.SHGFI_SYSICONINDEX;
IntPtr handle = ShellAPI.SHGetFileInfo(
"",
ShellAPI.FILE_ATTRIBUTE_NORMAL,
out shInfo, (uint)Marshal.SizeOf(shInfo),
attrs);
imageIndex = shInfo.iIcon;
}
node.Text = item.Label;
}
node.ImageIndex = imageIndex;
node.SelectedImageIndex = imageIndex;
}
