public static IntPtr FindControl(String windowName, String className)
{
var windowHandle = FindWindow(windowName);
if (windowHandle == IntPtr.Zero)
{
return(IntPtr.Zero);
}
var result = IntPtr.Zero;
EnumWindowDelegate findControlInChildren = null;
findControlInChildren = (childWindowHandle, lParam) =>
{
result = FindWindowEx(childWindowHandle, IntPtr.Zero, className, null);
if (result != IntPtr.Zero)
{
return(false);
}
EnumChildWindows(childWindowHandle, findControlInChildren, IntPtr.Zero);
return(result == IntPtr.Zero);
};
EnumChildWindows(windowHandle, findControlInChildren, IntPtr.Zero);
return(result);
}
static extern bool EnumWindows(EnumWindowDelegate lpEnumFunc, IntPtr lParam);
private static extern bool EnumThreadWindows(int threadID, EnumWindowDelegate callback, IntPtr longPointer);
private static extern bool EnumChildWindows(IntPtr handler, EnumWindowDelegate callback, IntPtr longPointer);
public static extern bool EnumThreadWindows(int threadId, EnumWindowDelegate enumFunc, int lParam);
public static extern int EnumWindows(EnumWindowDelegate enumFunc, int lParam);
public static extern int EnumWindows(EnumWindowDelegate x, IntPtr y);
public static extern Boolean EnumThreadWindows(Int32 threadId, EnumWindowDelegate callback, IntPtr lParam);
private static extern bool EnumChildWindows(IntPtr hwndParent, EnumWindowDelegate lpEnumFunc, IntPtr lParam);
private static extern bool EnumThreadWindows(uint dwThreadId, EnumWindowDelegate lpfn, IntPtr lParam);
static extern bool EnumWindows(EnumWindowDelegate lpEnumFunc, IntPtr lParam);
private static extern bool EnumThreadWindows(int threadID, EnumWindowDelegate callback, IntPtr longPointer);
private static extern bool EnumChildWindows(IntPtr handler, EnumWindowDelegate callback, IntPtr longPointer);
public static extern Boolean EnumChildWindows(IntPtr parentWindowHandle, EnumWindowDelegate callback, IntPtr lParam);
public static extern int EnumWindows(EnumWindowDelegate x, int y);
public static extern int EnumWindows(EnumWindowDelegate x, int y);
public static extern bool EnumChildWindows(IntPtr hwnd, EnumWindowDelegate lpEnumFunc, IntPtr lParam);
public static extern Boolean EnumDesktopWindows(IntPtr desktopHandle, EnumWindowDelegate callback, IntPtr lParam);
