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Logs result of SendInput and PostMessage calls #23

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Merged
magicxor merged 2 commits into from
Nov 24, 2025
Merged

Logs result of SendInput and PostMessage calls #23

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dc92447
Logs result of SendInput calls
magicxor Nov 24, 2025
04c93f2
Logs PostMessage results
magicxor Nov 24, 2025
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30 changes: 28 additions & 2 deletions WinSyncScroll/ViewModels/MainViewModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -343,7 +343,20 @@ private async Task RunMouseEventProcessingLoopAsync(
if (!_options.Value.IsLegacyModeEnabled)
{
LogSendInput(inputs);
PInvoke.SendInput(inputs.AsSpan(), SizeOfInput);
var sentCount = PInvoke.SendInput(inputs.AsSpan(), SizeOfInput);

if (sentCount != inputs.Length)
{
var lastError = Marshal.GetLastWin32Error();
_logger.LogError("SendInput failed: expected to send {ExpectedCount} events, but only {SentCount} were sent. Last Win32 error: {LastError}",
inputs.Length,
sentCount,
lastError);
}
else
{
_logger.LogTrace("Successfully sent {SentCount} input events", sentCount);
}
}
else
{
Expand All @@ -369,7 +382,20 @@ private async Task RunMouseEventProcessingLoopAsync(
lParam,
targetX,
targetY);
PInvoke.PostMessage(windowHandle, (uint)buffer.MouseMessageId, (nuint)buffer.MouseMessageData.mouseData, lParam);

var result = PInvoke.PostMessage(windowHandle, (uint)buffer.MouseMessageId, (nuint)buffer.MouseMessageData.mouseData, lParam);

if (!result)
{
var lastError = Marshal.GetLastWin32Error();
_logger.LogError("PostMessage failed for window {WindowHandle}: Last Win32 error: {LastError}",
windowHandle,
lastError);
}
else
{
_logger.LogTrace("Successfully posted message to window {WindowHandle}", windowHandle);
}
}
}
}
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