Step 4: PE_GETINKINGINFO Message

Each target specified in the TARGINFO structure created in step 2 that has a valid bounding rectangle from step 3 receives a PE_GETINKINGINFO message. In response to this message, a child window can set ink color and ink width, establish the ink clip region, and specify whether or not Windows should automatically restore the screen and erase the ink after pen interaction has ceased.

Processing the message through DefWindowProc sets the system default ink attributes, uses the window boundary for the ink clip region, and forces automatic restoration of the screen after input. DefWindowProc merges the responses from each target into a master INKINGINFO structure.

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