/// <summary>MDIの子ウィンドウのうち、最前面のウィンドウハンドルを取得する</summary>
private static IntPtr GetTopChildHandle(IntPtr windowHandle)
{
while (true)
{
IntPtr mdiHandle = WindowController2.FindWindowEx(windowHandle, IntPtr.Zero, "MDIClient", null);
if (mdiHandle == IntPtr.Zero)
{
continue;
}
var activeChildHandle = WindowController2.GetWindow(mdiHandle, GW_CHILD);
if (activeChildHandle == IntPtr.Zero)
{
throw new AutoCadException("MDIの子ウィンドウが見つかりませんでした。");
}
return(activeChildHandle);
}
}
public static IntPtr GetTopDrawingHandle()
{
while (true)
{
var autocadWindowHandle = WindowController2.GetAutoCadHandle();
IntPtr mdiHandle = WindowController2.FindWindowEx(autocadWindowHandle, IntPtr.Zero, "MDIClient", null);
//AutoCadのハンドルをうまくとれない時がある。その時mdiHandleがZeroになる。
if (mdiHandle == IntPtr.Zero)
{
continue;
}
var activeChildHandle = WindowController2.GetWindow(mdiHandle, GW_CHILD);
if (activeChildHandle == IntPtr.Zero)
{
throw new AutoCadException("MDIの子ウィンドウが見つかりませんでした。");
}
return(activeChildHandle);
}
}
public static List <IntPtr> GetDrawingHandles()
{
while (true)
{
var autocadWindowHandle = WindowController2.GetAutoCadHandle();
IntPtr mdi = FindWindowEx(autocadWindowHandle, IntPtr.Zero, "MDIClient", null);
if (mdi == IntPtr.Zero)
{
continue;
}
List <IntPtr> childList = new List <IntPtr>();
IntPtr child = WindowController2.GetWindow(mdi, GW_CHILD);
while (child != IntPtr.Zero)
{
childList.Add(child);
child = WindowController2.GetWindow(child, GW_HWNDNEXT);
}
return(childList);
}
}
