/// <summary>
/// Load the specified executable file or DLL, and get ready to extract the icons.
/// </summary>
/// <param name="filename">The name of a file from which icons will be extracted.</param>
public IconExtractor(string filename)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
_hModule = LoadLibrary(filename);
if (_hModule == IntPtr.Zero)
{
_hModule = LoadLibraryEx(filename, IntPtr.Zero, LOAD_LIBRARY_AS_DATAFILE);
if (_hModule == IntPtr.Zero)
{
switch (Marshal.GetLastWin32Error())
{
case ERROR_FILE_NOT_FOUND:
throw new FileNotFoundException("Specified file '" + filename + "' not found.");
case ERROR_BAD_EXE_FORMAT:
throw new ArgumentException("Specified file '" + filename + "' is not an executable file or DLL.");
default:
throw new Win32Exception();
}
}
}
var buf = new StringBuilder(MAX_PATH);
int len = GetModuleFileName(_hModule, buf, buf.Capacity + 1);
if (len != 0)
{
this.Filename = buf.ToString();
}
else
{
switch (Marshal.GetLastWin32Error())
{
case ERROR_SUCCESS:
this.Filename = filename;
break;
default:
throw new Win32Exception();
}
}
_resInfo = new IconResInfo();
bool success = EnumResourceNames(_hModule, RT_GROUP_ICON, this.EnumResNameCallBack, _resInfo);
if (!success)
{
throw new Win32Exception();
}
_iconCache = new Icon[this.IconCount];
}
/// <summary>
/// Load the specified executable file or DLL, and get ready to extract the icons.
/// </summary>
/// <param name="filename">The name of a file from which icons will be extracted.</param>
public IconExtractor(string filename)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
this._hModule = LoadLibrary(filename);
if (this._hModule == IntPtr.Zero)
{
this._hModule = LoadLibraryEx(filename, IntPtr.Zero, LOAD_LIBRARY_AS_DATAFILE);
if (this._hModule == IntPtr.Zero)
{
switch (Marshal.GetLastWin32Error())
{
case ERROR_FILE_NOT_FOUND:
throw new FileNotFoundException("Specified file '" + filename + "' not found.");
case ERROR_BAD_EXE_FORMAT:
throw new ArgumentException("Specified file '" + filename + "' is not an executable file or DLL.");
default:
throw new Win32Exception();
}
}
}
this._resInfo = new IconResInfo();
bool success = EnumResourceNames(this._hModule, RT_GROUP_ICON, EnumResNameCallBack, this._resInfo);
if (!success)
{
throw new Win32Exception();
}
this._iconCache = new Icon[this.IconCount];
}
private static extern bool EnumResourceNames(
IntPtr hModule, int lpszType, EnumResNameProc lpEnumFunc, IconResInfo lParam);
private bool EnumResNameCallBack(IntPtr hModule, int lpszType, IntPtr lpszName, IconResInfo lParam)
{
// Callback function for EnumResourceNames().
if (lpszType == RT_GROUP_ICON)
{
lParam.IconNames.Add(new ResourceName(lpszName));
}
return(true);
}
/// <summary>
/// Load the specified executable file or DLL, and get ready to extract the icons.
/// </summary>
/// <param name="filename">The name of a file from which icons will be extracted.</param>
public IconExtractor(string filename)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
this._hModule = LoadLibrary(filename);
if (this._hModule == IntPtr.Zero)
{
this._hModule = LoadLibraryEx(filename, IntPtr.Zero, LOAD_LIBRARY_AS_DATAFILE);
if (this._hModule == IntPtr.Zero)
{
switch (Marshal.GetLastWin32Error())
{
case ERROR_FILE_NOT_FOUND:
throw new FileNotFoundException("Specified file '" + filename + "' not found.");
case ERROR_BAD_EXE_FORMAT:
throw new ArgumentException("Specified file '" + filename + "' is not an executable file or DLL.");
default:
throw new Win32Exception();
}
}
}
StringBuilder buf = new StringBuilder(MAX_PATH);
int len = GetModuleFileName(this._hModule, buf, buf.Capacity + 1);
if (len != 0)
{
this._filename = buf.ToString();
}
else
{
switch (Marshal.GetLastWin32Error())
{
case ERROR_SUCCESS:
this._filename = filename;
break;
default:
throw new Win32Exception();
}
}
this._resInfo = new IconResInfo();
bool success = EnumResourceNames(this._hModule, RT_GROUP_ICON, EnumResNameCallBack, this._resInfo);
if (!success)
{
throw new Win32Exception();
}
this._iconCache = new Icon[this.IconCount];
}
private bool EnumResNameCallBack(IntPtr hModule, int lpszType, IntPtr lpszName, IconResInfo lParam)
{
// Callback function for EnumResourceNames().
if (lpszType == RT_GROUP_ICON)
{
lParam.IconNames.Add(new ResourceName(lpszName));
}
return true;
}
private static extern bool EnumResourceNames(
IntPtr hModule, int lpszType, EnumResNameProc lpEnumFunc, IconResInfo lParam);