Skip to content

V105-LTS #3013 : Maximized form's size exceeds the screen's working area #3150

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
mcpbcs wants to merge 4 commits into
base: V105-LTS
Choose a base branch
from
Open

V105-LTS #3013 : Maximized form's size exceeds the screen's working area #3150

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
7489717
Update KryptonForm.cs
mcpbcs Mar 3, 2026
020b4e7
Update Changelog.md
mcpbcs Mar 3, 2026
3b19781
Merge branch 'V105-LTS' into V105-LTS-3013-Maximized-forms-size-excee…
PWagner1 Mar 11, 2026
6cdebf5
Merge branch 'V105-LTS' into V105-LTS-3013-Maximized-forms-size-excee…
PWagner1 Mar 14, 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
1 change: 1 addition & 0 deletions Documents/Changelog/Changelog.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

## 2026-04-20 - Build 2604 (Version 105-LTS - Patch 2) - April 2026

* Resolved [#3013](https://github.com/Krypton-Suite/Standard-Toolkit/issues/3013), Maximized form's size exceeds the screen's working area
* Implemented [#3113](https://github.com/Krypton-Suite/Standard-Toolkit/issues/3113), TextBox item for KryptonContextMenu-Items
* Resolved [#3124](https://github.com/Krypton-Suite/Standard-Toolkit/issues/3124), Docking: Loading configuration while form is hidden remover splitter
* Resolved [#3123](https://github.com/Krypton-Suite/Standard-Toolkit/issues/3123), `KryptonComboBox` DropDownWidth doesn't resize with the control
Expand Down
47 changes: 26 additions & 21 deletions Source/Krypton Components/Krypton.Toolkit/Controls Toolkit/KryptonForm.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2634,27 +2634,32 @@ private void PerformViewPaint(Graphics g, Rectangle rect)
}
}

private void UpdateRegionForMaximized()
{
if (MdiParent == null)
{
// Fix for #2457 / #3012: Do not apply a clipping region when maximized.
// For RTL layout mode, disable region clipping to prevent border issues (#2457).
// For all maximized forms, skip region so the title bar, control box, and left/top/bottom
// edges are not cut off (#3012 - controlbox and buttonspace not show full when maximized).
SuspendPaint();
_regionWindowState = FormWindowState.Maximized;
UpdateBorderRegion(null);
ResumePaint();
}
else
{
// As a maximized Mdi Child we do not need any border region
UpdateBorderRegion(null);
}
}

private void UpdateBorderRegion(Region? newRegion)
// Fix for #3013 : This change restores the original implementation of UpdateRegionForMaximized.
private void UpdateRegionForMaximized()
{
if (MdiParent == null)
{
// Get the size of each window border
Padding padding = RealWindowBorders;

// Reduce the Bounds by the padding on all but the top
var maximizedRect = new Rectangle(padding.Left, padding.Left, Width - padding.Horizontal,
Height - padding.Left - padding.Bottom);

// Use this as the new region
SuspendPaint();
_regionWindowState = FormWindowState.Maximized;
UpdateBorderRegion(new Region(maximizedRect));
ResumePaint();
}
else
{
// As a maximized Mdi Child we do not need any border region
UpdateBorderRegion(null);
}
}

private void UpdateBorderRegion(Region? newRegion)
{
if ((newRegion != null)
&& (newRegion.IsEmpty(CreateGraphics()))
Expand Down
Loading