ShellExecuteInfoAppInstanceHandle Field

[out] If is set and the call succeeds, it sets this member to a value greater than 32. If the function fails, it is set to an error value that indicates the cause of the failure. Although hInstApp is declared as an HINSTANCE for compatibility with 16-bit Windows applications, it is not a true HINSTANCE. It can be cast only to an int and compared to either 32 or the following error codes.

public IntPtr AppInstanceHandle

Public AppInstanceHandle As IntPtr

public:
IntPtr AppInstanceHandle

val mutable AppInstanceHandle: IntPtr