Skip to content

Fix issue 14449: ToolStrip DPI change issue in .NET 10 #14454

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
SimonZhao888 wants to merge 3 commits into
base: main
Choose a base branch
from
+2 −0
Open

Fix issue 14449: ToolStrip DPI change issue in .NET 10 #14454

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
30ca59c
Fix issue 14449: ToolStrip DPI change issue in .NET 10
Apr 8, 2026
7e8c1fd
Handle feedback
Apr 8, 2026
13ba883
Handle feedback
Apr 8, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/System.Windows.Forms/System/Windows/Forms/Control.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11564,6 +11564,7 @@ private void WmDpiChangedBeforeParent(ref Message m)
DefWndProc(ref m);

OriginalDeviceDpiInternal = DeviceDpiInternal;
int oldDeviceDpi = DeviceDpiInternal;

// In order to support tests, will be querying Dpi from the message first.
int newDeviceDpi = (short)m.WParamInternal.LOWORD;
Expand All @@ -11582,6 +11583,7 @@ private void WmDpiChangedBeforeParent(ref Message m)

Font localFont = GetCurrentFontAndDpi(out int fontDpi);
DeviceDpiInternal = newDeviceDpi;
OriginalDeviceDpiInternal = oldDeviceDpi;

if (fontDpi == DeviceDpiInternal)
{
Expand Down