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POOnce I have the HWND from a Win32 DLL, can I get the coordinates of the native window (even when the window moves )
 

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  1. POOnce I have the HWND from a Win32 DLL, can I get the coordinates of the native window (even when the window moves )
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    <p>Thanks to the experts who monitor this forum, this Java programmer can successfully get the HWND (handle to a native window on the desktop) via JNI. My goal is to get the window coordinates ( x, y ) of this native window to work on a screen-share project. In the calling java program, I will need the "coordindates" even if the window is moved by the user ( the coordinates change ...).</p> <p>My question to you is, will this handle give me the dynamic values of the coordindates ( that changed when the window was moved), or will I need to keep calling the native dll to see if the values changed ? I am hoping that I can just call the native procedure "once" and the window handle can give me the dynamic values. If I have to keep calling the native procedure, then I might as well pass the coordinates ( Point from GetRect..()) rather than the HWND ? </p>
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    1. CONo, you must call WinAPI every time to see if the coordinates changed. And HWND is the mandatory parameter for WinAPI calls.
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