int IExtractIcon.GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = -1;
pwFlags = ExtractIconFlags.None;
icon = folderObj.GetIcon((uFlags & ExtractIconOptions.OpenIcon) == ExtractIconOptions.OpenIcon);
if (icon is ShellIcon.FromFile)
{
string filename = (icon as ShellIcon.FromFile).Filename;
byte[] data = new byte[cchMax * 2];
Encoding.Unicode.GetBytes(filename, 0, filename.Length, data, 0);
Marshal.Copy(data, 0, szIconFile, data.Length);
piIndex = (icon as ShellIcon.FromFile).Index;
pwFlags = icon.Flags;
return(0);
}
else if (icon is ShellIcon.FromIcon)
{
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.DontCache;//icon.Flags;
return(0);
}
else if (icon == null)
{
return(1); // use default icon
}
Trace.Fail("Unreachable code");
return(0);
}
/// <summary>
/// Get the icon location
/// </summary>
/// <param name="uFlags"></param>
/// <param name="szIconFile"></param>
/// <param name="cchMax"></param>
/// <param name="piIndex"></param>
/// <param name="pwFlags"></param>
/// <returns></returns>
public uint GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = -1;
szIconFile = IntPtr.Zero;
try {
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.PerInstance | ExtractIconFlags.DontCache;
return(((uFlags & ExtractIconOptions.Async) != 0) ? E_PENDING : S_OK);
} catch (Exception ex) {
//Log.Error ( ex.Message, ex );
pwFlags = ExtractIconFlags.None;
return(S_FALSE);
}
}
private int GetIconLocation(ExtractIconOptions uFlags, out int piIndex, out ExtractIconFlags pwFlags)
{
//No need for an index
piIndex = 0;
//Check ShellExtLib.cs for more info on these flags
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.PerInstance | ExtractIconFlags.DontCache;
//Return the name for the icon cache
//szIconFile = Marshal.StringToHGlobalAuto(currentFile);
//I got this under control!
return(WinError.S_OK);
}
int IExtractIcon.GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = -1;
try
{
FileInfo f = new FileInfo(szFileName);
lngFileSize = f.Length;
pwFlags = ExtractIconFlags.DontCache | ExtractIconFlags.NotFilename;
return(S_OK);
}
catch { }
pwFlags = ExtractIconFlags.None;
return(S_FALSE);
}
public uint GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = 0;
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.PerInstance | ExtractIconFlags.DontCache;
if (sFileName.Length < cchMax)
{
szIconFile = Marshal.StringToHGlobalAuto(sFileName); // return the name for icon cache
}
else
{
szIconFile = IntPtr.Zero;
pwFlags = pwFlags | ExtractIconFlags.DontCache;
}
NativeMethods.Log("GetIconLocation: pwFlags = " + pwFlags.ToString());
NativeMethods.Log("GetIconLocation: szIconFile = " + Marshal.PtrToStringAuto(szIconFile));
NativeMethods.Log("GetIconLocation: piIndex = " + piIndex.ToString());
NativeMethods.Log("GetIconLocation: ExtractIconOptions.Async = " + uFlags.ToString());
return ((uFlags & ExtractIconOptions.Async) != 0) ? WinError.E_PENDING : WinError.S_OK;
}
public uint GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = 0;
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.PerInstance | ExtractIconFlags.DontCache;
if (sFileName.Length < cchMax)
{
szIconFile = Marshal.StringToHGlobalAuto(sFileName); // return the name for icon cache
}
else
{
szIconFile = IntPtr.Zero;
pwFlags = pwFlags | ExtractIconFlags.DontCache;
}
NativeMethods.Log("GetIconLocation: pwFlags = " + pwFlags.ToString());
NativeMethods.Log("GetIconLocation: szIconFile = " + Marshal.PtrToStringAuto(szIconFile));
NativeMethods.Log("GetIconLocation: piIndex = " + piIndex.ToString());
NativeMethods.Log("GetIconLocation: ExtractIconOptions.Async = " + uFlags.ToString());
return(((uFlags & ExtractIconOptions.Async) != 0) ? WinError.E_PENDING : WinError.S_OK);
}
int IExtractIcon.GetIconLocation(ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
piIndex = -1;
try
{
FileInfo f = new FileInfo(szFileName);
lngFileSize = f.Length;
pwFlags = ExtractIconFlags.DontCache | ExtractIconFlags.NotFilename;
return S_OK;
}
catch { }
pwFlags = ExtractIconFlags.None;
return S_FALSE;
}
/// <summary>
/// Get the icon location
/// </summary>
/// <param name="uFlags"></param>
/// <param name="szIconFile"></param>
/// <param name="cchMax"></param>
/// <param name="piIndex"></param>
/// <param name="pwFlags"></param>
/// <returns></returns>
public uint GetIconLocation( ExtractIconOptions uFlags, IntPtr szIconFile, uint cchMax, out int piIndex, out ExtractIconFlags pwFlags )
{
piIndex = -1;
szIconFile = IntPtr.Zero;
try {
pwFlags = ExtractIconFlags.NotFilename | ExtractIconFlags.PerInstance | ExtractIconFlags.DontCache;
return ( ( uFlags & ExtractIconOptions.Async ) != 0 ) ? E_PENDING : S_OK;
} catch ( Exception ex ) {
//Log.Error ( ex.Message, ex );
pwFlags = ExtractIconFlags.None;
return S_FALSE;
}
}
int IExtractIconW.GetIconLocation(ExtractIconOptions uFlags, StringBuilder szIconFile, int cchMax, out int piIndex, out ExtractIconFlags pwFlags)
{
return(GetIconLocation(uFlags, out piIndex, out pwFlags));
}
