public (bool visible, bool dead) IsVisible()
{
ALastError.Clear();
if (!w.IsVisible)
{
return(false, ALastError.Code != 0);
}
return(!w.IsMinimized && !w.IsCloaked, false);
//speed: IsCloaked now on Win10 quite fast, faster than GetRect
}
public (bool visible, bool dead) IsVisible(bool parentVisible = true)
{
if (!c.Is0)
{
ALastError.Clear();
if (!c.IsVisible)
{
return(false, ALastError.Code != 0);
}
if (!parentVisible || c.IsMinimized)
{
return(default); //never mind: ancestors controls may be minimized
/// <summary>
/// Copies the added data to the clipboard.
/// </summary>
/// <param name="renderLater">Call API <msdn>SetClipboardData</msdn>(format, default). When/if some app will try to get clipboard data, the first time your clipboard owner window will receive <msdn>WM_RENDERFORMAT</msdn> message and should call <c>SetOpenClipboard(false);</c>.</param>
/// <param name="format">Copy data only of this format. If 0 (default), of all formats.</param>
/// <exception cref="OutOfMemoryException">Failed to allocate memory for clipboard data.</exception>
/// <exception cref="AuException">Failed to set clipboard data.</exception>
/// <remarks>
/// This function is similar to <see cref="SetClipboard"/>. It calls API <msdn>SetClipboardData</msdn> and does not call <b>OpenClipboard</b>, <b>EmptyClipboard</b>, <b>CloseClipboard</b>. The clipboard must be open and owned by a window of this thread.
/// </remarks>
public void SetOpenClipboard(bool renderLater = false, int format = 0)
{
for (int i = 0; i < _a.Count; i++)
{
var v = _a[i];
if (format != 0 && v.format != format)
{
continue;
}
if (renderLater)
{
ALastError.Clear();
Api.SetClipboardData(v.format, default);
int ec = ALastError.Code; if (ec != 0)
{
throw new AuException(ec, "*set clipboard data");
}
}
else
{
_SetClipboard(v.format, v.data);
}
}
#if SUPPORT_RAW_HANDLE
//remove caller-added handles, to avoid using the same handle twice
if (renderLater)
{
return;
}
for (int i = _a.Count - 1; i >= 0; i--)
{
var v = _a[i];
if (format != 0 && v.format != format)
{
continue;
}
if (v.data is IntPtr)
{
_a.RemoveAt(i);
}
}
#endif
}