protected override void WndProc(ref Message m)
{
switch ((Msg)m.Msg)
{
case Msg.WM_NOTIFY:
OFNOTIFY ofNotify = (OFNOTIFY)Marshal.PtrToStructure(m.LParam, typeof(OFNOTIFY));
switch (ofNotify.hdr.code)
{
case (uint)DialogChangeStatus.CDN_SELCHANGE:
{
StringBuilder filePath = new StringBuilder(256);
NativeMethods.SendMessage(new HandleRef(this, NativeMethods.GetParent(Handle)), (uint)DialogChangeProperties.CDM_GETFILEPATH, (IntPtr)256, filePath);
if (_CustomCtrl != null)
{
_CustomCtrl.OnFileNameChanged(this, filePath.ToString());
}
}
break;
case (uint)DialogChangeStatus.CDN_FOLDERCHANGE:
{
StringBuilder folderPath = new StringBuilder(256);
NativeMethods.SendMessage(new HandleRef(this, NativeMethods.GetParent(Handle)), (int)DialogChangeProperties.CDM_GETFOLDERPATH, (IntPtr)256, folderPath);
if (_CustomCtrl != null)
{
_CustomCtrl.OnFolderNameChanged(this, folderPath.ToString());
}
}
break;
case (uint)DialogChangeStatus.CDN_TYPECHANGE:
{
OPENFILENAME ofn = (OPENFILENAME)Marshal.PtrToStructure(ofNotify.OpenFileName, typeof(OPENFILENAME));
int i = ofn.nFilterIndex;
if (_CustomCtrl != null && _filterIndex != i)
{
_filterIndex = i;
_CustomCtrl.OnFilterChanged(this as IWin32Window, i);
}
}
break;
case (uint)DialogChangeStatus.CDN_INITDONE:
break;
case (uint)DialogChangeStatus.CDN_SHAREVIOLATION:
break;
case (uint)DialogChangeStatus.CDN_HELP:
break;
case (uint)DialogChangeStatus.CDN_INCLUDEITEM:
break;
case (uint)DialogChangeStatus.CDN_FILEOK://0xfffffda2:
#pragma warning disable 1690, 0414
//NativeMethods.SetWindowPos(_CustomCtrl._hFileDialogHandle, IntPtr.Zero,
//(int)_CustomCtrl._OpenDialogWindowRect.left,
//(int)_CustomCtrl._OpenDialogWindowRect.top,
//(int)_CustomCtrl._OpenDialogWindowRect.Width,
//(int)_CustomCtrl._OpenDialogWindowRect.Height,
//FileDialogControlBase.MSFileDialogWrapper.UFLAGSSIZE);
break;
#pragma warning restore 1690, 0414
default:
break;
}
break;
case Msg.WM_COMMAND:
switch (NativeMethods.GetDlgCtrlID(m.LParam)) //switch (m.WParam & 0x0000ffff)
{
case (int)ControlsId.ButtonOk: //OK
break;
case (int)ControlsId.ButtonCancel://Cancel
break;
case (int)ControlsId.ButtonHelp: //0x0000040e://help
break;
}
break;
default:
break;
}
base.WndProc(ref m);
}
