Clarify Raw Input reading behavior and usage patterns#2168
Merged
Conversation
Updated the documentation for raw input handling, replacing sections on buffered reads with new sections on reading raw input from a WM_INPUT handler and performing batched reads using a timer.
Contributor
|
@DJm00n : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change. |
Updated the raw input handling code and improved explanations for reading raw input from devices.
Updated the raw input handling code to improve clarity and efficiency. Added optional phase for draining additional input events from the queue.
DJm00n
changed the title
Updated raw input handling to support keyboard and mouse devices, improved buffer management, and refined message loop for better event processing.
Refactor raw input handling to use a static buffer instead of dynamic allocation. This change improves memory management and simplifies the input processing logic.
Karl-Bridge-Microsoft
approved these changes
Mar 18, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This PR corrects and clarifies the Raw Input documentation.
Changes
GetMessageremovesWM_INPUTfrom the raw input queue before returning, making it invisible toGetRawInputBufferGetRawInputData(lParam)first, then drain withGetRawInputBufferin a loopRIDEV_INPUTSINKSleep(1000)workaround, fixcbSize * 16buffer guess, removeDefRawInputProcno-opPeekMessagerange filtersSee also MicrosoftDocs/sdk-api#2190