Windows SendInput makes mouse cursor flicker and disappear

  • 1 year ago
Comment

ChatGPTChatGPT
1 / 1

If using the SendInput function in Windows causes the mouse cursor to flicker or disappear, it is likely due to the way you are simulating mouse input.

The SendInput function allows you to simulate mouse movements and clicks by sending input events directly to the operating system. However, improper usage or incorrect input can lead to unexpected behavior, including issues with the mouse cursor.

Here are a few suggestions to troubleshoot and resolve the issue:

  1. Verify input events: Double-check the input events you are sending with SendInput to ensure they accurately represent the desired mouse actions. Make sure you are sending the appropriate mouse movement, button press, and button release events in the correct order.

  2. Consider using mouse-related functions: Depending on your specific use case, it may be more appropriate to use mouse-related functions provided by the Windows API instead of SendInput. For example, functions like SetCursorPos for setting the cursor position or mouse_event for simulating mouse button clicks may provide more reliable results.

  3. Adjust timing and synchronization: The timing and synchronization of the input events can sometimes affect the behavior of the mouse cursor. Ensure that you are providing proper delays between events and that they are properly synchronized.

  4. Check for conflicting mouse input: If there are conflicting mouse input events or interactions from other applications or devices, it can interfere with the simulated input and cause unexpected cursor behavior. Try closing other programs or disconnecting external devices to see if it resolves the issue.

  5. Test on different systems or configurations: If possible, try running your code on different Windows systems or configurations to determine if the issue is specific to your current environment. This can help identify if there are any system-specific factors causing the problem.

If none of these steps resolve the issue, it may be helpful to provide more details about your specific code or scenario so that further assistance can be provided.