/// <summary>
/// Get the number of icon in the file
/// </summary>
/// <param name="location">Location of the EXE or DLL</param>
/// <returns></returns>
public static int CountAssociatedIcons(string location)
{
IntPtr large;
IntPtr small;
return(NativeInvokes.ExtractIconEx(location, -1, out large, out small, 0));
}
public MainPage()
{
this.InitializeComponent();
System.Diagnostics.Trace.WriteLine("NativeInvokes.Init() calling!!!");
NativeInvokes.Init();
var ret = NativeInvokes.FT_Init_FreeType(out var lib);
System.Diagnostics.Debug.WriteLine("arch: {2} - ret: {0}, lib: {1}", ret, lib, RuntimeInformation.ProcessArchitecture);
}
/// <summary>
/// See: http://msdn.microsoft.com/en-us/library/windows/desktop/ms648069%28v=vs.85%29.aspx
/// </summary>
/// <typeparam name="TIcon"></typeparam>
/// <param name="location">The file (EXE or DLL) to get the icon from</param>
/// <param name="index">Index of the icon</param>
/// <param name="useLargeIcon">true if the large icon is wanted</param>
/// <returns>Icon</returns>
public static TIcon ExtractAssociatedIcon <TIcon>(string location, int index = 0, bool useLargeIcon = true) where TIcon : class
{
IntPtr large;
IntPtr small;
NativeInvokes.ExtractIconEx(location, index, out large, out small, 1);
TIcon returnIcon = null;
try
{
if (useLargeIcon && !IntPtr.Zero.Equals(large))
{
returnIcon = IconHandleTo <TIcon>(large);
}
else if (!IntPtr.Zero.Equals(small))
{
returnIcon = IconHandleTo <TIcon>(small);
}
else if (!IntPtr.Zero.Equals(large))
{
returnIcon = IconHandleTo <TIcon>(large);
}
}
finally
{
if (!IntPtr.Zero.Equals(small))
{
User32Api.DestroyIcon(small);
}
if (!IntPtr.Zero.Equals(large))
{
User32Api.DestroyIcon(large);
}
}
return(returnIcon);
}
