WM_NCLBUTTONUP top-level constant Null safety

int const WM_NCLBUTTONUP

Posted when the user releases the left 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_NCLBUTTONUP = 0x00A2;