WM_NCRBUTTONDBLCLK top-level constant

int const WM_NCRBUTTONDBLCLK

Posted when the user double-clicks the middle mouse button while the cursor is within the nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured the mouse, this message is not posted.

Implementation

const WM_NCRBUTTONDBLCLK = 0x00A6;