/// <summary>
/// Get the <paramref name="size"/> and <paramref name="data"/> of the corresponding <paramref name="compositionString"/> from the IMM.
/// </summary>
/// <remarks>
/// The <paramref name="size"/> and <paramref name="data"/> have different meanings, depending on the provided <paramref name="compositionString"/>:
/// <list type="bullet">
/// <item>For <see cref="CompositionString.GCS_COMPSTR"/> and <see cref="CompositionString.GCS_RESULTSTR"/> data is UTF-16 encoded text.</item>
/// <item>For <see cref="CompositionString.GCS_COMPATTR"/> .</item>
/// </list>
/// </remarks>
private bool tryGetCompositionString(CompositionString compositionString, out int size, out byte[] data)
{
data = null;
if (!tryGetCompositionSize(compositionString, out size))
{
return(false);
}
data = new byte[size];
int ret = ImmGetCompositionString(handle, compositionString, data, (uint)size);
// negative return value means that an error has occured.
return(ret >= 0);
}
public InputContext(IntPtr hWnd, long lParam = 0)
{
handle = new InputContextHandle(hWnd);
this.lParam = (CompositionString)lParam;
}
private bool tryGetCompositionText(CompositionString compositionString, out string text)
{
if (tryGetCompositionString(compositionString, out _, out byte[] buffer))
