private void SetFileNameToSelectedItem(IntPtr hListView, IntPtr hFNCombo, int selectedIndex)
{
if (selectedIndex >= 0)
{
var lvitem = new InteropUtil.LVITEM();
lvitem.mask = InteropUtil.LVIF_TEXT;
IntPtr nativeBuffer = Marshal.AllocCoTaskMem(InteropUtil.NumberOfFileChars * 2);
for (int i = 0; i < InteropUtil.NumberOfFileChars; ++i)
{
Marshal.WriteInt16(nativeBuffer, i * 2, '\0');
}
string name;
try
{
Marshal.WriteInt16(nativeBuffer, 0);
lvitem.pszText = nativeBuffer;
lvitem.cchTextMax = InteropUtil.NumberOfFileChars;
uint length = InteropUtil.SendListViewMessage(hListView, InteropUtil.LVM_GETITEMTEXT,
(uint)selectedIndex, ref lvitem);
name = Marshal.PtrToStringUni(lvitem.pszText, (int)length);
}
finally
{
Marshal.FreeCoTaskMem(nativeBuffer);
}
if (name != null && m_currentFolder != null)
{
try
{
string path = System.IO.Path.Combine(m_currentFolder, name);
if (Directory.Exists(path))
{
InteropUtil.SetWindowTextW(hFNCombo, name);
}
}
catch (Exception)
{
}
}
}
}
private void InitDialog(IntPtr hWnd)
{
m_hWnd = hWnd;
IntPtr hParent = InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd));
InteropUtil.SetWindowSubclass(hParent, m_openFileSubClassDelegate, 0, 0);
//disable and hide the filter combo box
IntPtr hFilterCombo = InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hParent, InteropUtil.ID_FilterCombo));
InteropUtil.EnableWindow(hFilterCombo, false);
InteropUtil.SendMessage(hParent, InteropUtil.CDM_HIDECONTROL, InteropUtil.ID_FilterCombo, 0);
InteropUtil.SendMessage(hParent, InteropUtil.CDM_HIDECONTROL, InteropUtil.ID_FilterLabel, 0);
//update the file name label
IntPtr hFileNameLabel =
InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hParent, InteropUtil.ID_FileNameLabel));
if (FileNameLabel != String.Empty)
{
InteropUtil.SendMessageString(hFileNameLabel, InteropUtil.WM_SETTEXT, 0, FileNameLabel);
}
//find the button controls in the parent
IntPtr hOkButton = InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hParent, InteropUtil.IDOK));
IntPtr hCancelButton = InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hParent, InteropUtil.IDCANCEL));
//We don't want the accelerator keys for the ok and cancel buttons to work, because
//they are not shown on the dialog. However, we still want the buttons enabled
//so that "esc" and "enter" have the behavior they used to. So, we just
//clear out their text instead.
InteropUtil.SetWindowTextW(hOkButton, String.Empty);
InteropUtil.SetWindowTextW(hCancelButton, String.Empty);
//find our button controls
IntPtr hSelectButton = InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hWnd, InteropUtil.ID_SELECT));
IntPtr hCustomCancelButton =
InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hWnd, InteropUtil.ID_CUSTOM_CANCEL));
if (!String.IsNullOrEmpty(SelectLabel))
{
InteropUtil.SetWindowTextW(hSelectButton, SelectLabel);
}
if (!String.IsNullOrEmpty(CancelLabel))
{
InteropUtil.SetWindowTextW(hCustomCancelButton, CancelLabel);
}
//copy the font from the parent's buttons
InteropUtil.LoadFontFrom(hSelectButton, hOkButton);
InteropUtil.LoadFontFrom(hCustomCancelButton, hCancelButton);
InteropUtil.WINDOWPLACEMENT cancelLoc = InteropUtil.GetWindowPlacement(hCancelButton);
//hide the ok and cancel buttons
InteropUtil.SendMessage(hParent, InteropUtil.CDM_HIDECONTROL, InteropUtil.IDOK, 0);
InteropUtil.SendMessage(hParent, InteropUtil.CDM_HIDECONTROL, InteropUtil.IDCANCEL, 0);
//expand the file name combo to take up the space left by the OK and cancel buttons.
IntPtr hFileName = InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(hParent, InteropUtil.ID_FileNameCombo));
InteropUtil.WINDOWPLACEMENT fileNameLoc = InteropUtil.GetWindowPlacement(hFileName);
fileNameLoc.Right = InteropUtil.GetWindowPlacement(hOkButton).Right;
InteropUtil.SetWindowPlacement(hFileName, ref fileNameLoc);
InteropUtil.WINDOWPLACEMENT parentLoc = InteropUtil.GetWindowPlacement(hParent);
//subtract the height of the missing cancel button
parentLoc.Bottom -= (cancelLoc.Bottom - cancelLoc.Top);
InteropUtil.SetWindowPlacement(hParent, ref parentLoc);
//move the select and custom cancel buttons to the right hand side of the window:
InteropUtil.WINDOWPLACEMENT selectLoc = InteropUtil.GetWindowPlacement(hSelectButton);
InteropUtil.WINDOWPLACEMENT customCancelLoc = InteropUtil.GetWindowPlacement(hCustomCancelButton);
m_cancelWidth = customCancelLoc.Right - customCancelLoc.Left;
m_selectWidth = selectLoc.Right - selectLoc.Left;
m_buttonGap = customCancelLoc.Left - selectLoc.Right;
InteropUtil.WINDOWPLACEMENT ctrlLoc = InteropUtil.GetWindowPlacement(hWnd);
ctrlLoc.Right = fileNameLoc.Right;
//ResizeCustomControl(hWnd, fileNameLoc.Right, hCustomCancelButton, hSelectButton);
ResizeCustomControl(hWnd);
}
private int ProcessNotifyMessage(IntPtr hWnd, InteropUtil.OFNOTIFY notifyData)
{
switch (notifyData.hdr_code)
{
case InteropUtil.CDN_FOLDERCHANGE:
{
//CDM_GETFOLDERPATH returns garbage for some standard folders like 'Libraries'
//var newFolder = GetTextFromCommonDialog(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
// InteropUtil.CDM_GETFOLDERPATH);
string newFolder =
GetTextFromCommonDialog(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
InteropUtil.CDM_GETFILEPATH);
/*
* if (m_currentFolder != null && newFolder != null &&
* Util.PathContains(newFolder, m_currentFolder))
* {
* m_suppressSelectionChange = true;
* }
*/
m_currentFolder = newFolder;
/* #5841 On Windows XP when changing the folder 'newFolder' contains the selected directory twice (e.g. c:\temp\i386\i386)
* HACK
*/
if (!Directory.Exists(newFolder))
{
try
{
String lastPart = System.IO.Path.GetFileName(newFolder);
String parent = Directory.GetParent(newFolder).FullName;
String parentFile = System.IO.Path.GetFileName(parent);
if (lastPart.Equals(parentFile))
{
m_currentFolder = parent;
}
}
catch (Exception)
{
//ignore
}
}
IntPtr fileNameCombo =
InteropUtil.AssumeNonZero(
InteropUtil.GetDlgItem(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
InteropUtil.ID_FileNameCombo));
if (m_hasDirChangeFired)
{
InteropUtil.SetWindowTextW(fileNameCombo, String.Empty);
}
m_hasDirChangeFired = true;
//refresh the file list to make sure that the extension is shown properly
IntPtr hParent = InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd));
SetForegroundWindow(hParent);
SendKeys.SendWait("{F5}");
break;
}
case InteropUtil.CDN_FILEOK:
{
if (!AcceptFiles)
{
return(1);
}
IntPtr hParent = InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd));
ProcessSelection(hParent, false);
break;
}
case InteropUtil.CDN_INITDONE:
{
IntPtr hParent = InteropUtil.GetParent(hWnd);
IntPtr hFile =
InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(InteropUtil.AssumeNonZero(hParent),
InteropUtil.ID_FileNameCombo));
InteropUtil.SetFocus(hFile);
break;
}
}
return(0);
}
private int ProcessNotifyMessage(IntPtr hWnd, InteropUtil.OFNOTIFY notifyData)
{
switch (notifyData.hdr_code)
{
case InteropUtil.CDN_FOLDERCHANGE:
{
//CDM_GETFOLDERPATH returns garbage for some standard folders like 'Libraries'
//var newFolder = GetTextFromCommonDialog(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
// InteropUtil.CDM_GETFOLDERPATH);
var newFolder = GetTextFromCommonDialog(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
InteropUtil.CDM_GETFILEPATH);
/*
* if (m_currentFolder != null && newFolder != null &&
* Util.PathContains(newFolder, m_currentFolder))
* {
* m_suppressSelectionChange = true;
* }
*/
m_currentFolder = newFolder;
var fileNameCombo =
InteropUtil.AssumeNonZero(
InteropUtil.GetDlgItem(InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd)),
InteropUtil.ID_FileNameCombo));
if (m_hasDirChangeFired)
{
InteropUtil.SetWindowTextW(fileNameCombo, "");
}
m_hasDirChangeFired = true;
//refresh the file list to make sure that the extension is shown properly
var hParent = InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd));
SetForegroundWindow(hParent);
SendKeys.SendWait("{F5}");
break;
}
case InteropUtil.CDN_FILEOK:
{
if (!AcceptFiles)
{
return(1);
}
var hParent = InteropUtil.AssumeNonZero(InteropUtil.GetParent(hWnd));
ProcessSelection(hParent, false);
break;
}
case InteropUtil.CDN_INITDONE:
{
var hParent = InteropUtil.GetParent(hWnd);
var hFile =
InteropUtil.AssumeNonZero(InteropUtil.GetDlgItem(InteropUtil.AssumeNonZero(hParent),
InteropUtil.ID_FileNameCombo));
InteropUtil.SetFocus(hFile);
break;
}
}
return(0);
}
