Label background Custom Picture setting exception

[Kano-I]

描述这个Bug
After applying the background picture setting, it can display normally, but when the mouse moves over the label, the whole label turns gray.

重现过程
重现过程的步骤:
1、Select custom picture in the background of the tag
2、Choose a picture
3、Apply setting
4、Mouse moves over the label

截图

系统环境:

• OS: Windows 10_x64
• .net framework: 3.5
• QTTabBar version: v1.5.5-beta.8

Log

2022/12/28 14:23:09
.NET 版本: 2.0.50727.9164
操作系统版本: 10.0.19044.0 Major: 10 环境: 64
QT 版本: DevBuild: 2022/11/4 23:59:00 (2.0.50727.9164)
错误信息: DrawTab

Message ---
参数无效。
HelpLink ---

Source ---
System.Drawing
StackTrace ---
   在 System.Drawing.Image.get_Width()
   在 QTTabBarLib.QTabControl.DrawBackground(Graphics g, Boolean bSelected, Boolean fHot, Rectangle rctItem, Edges edges, Boolean fVisualStyle, Int32 index)
   在 QTTabBarLib.QTabControl.DrawTab(Graphics g, Rectangle itemRct, Int32 index, QTabItem tabHot, Boolean fVisualStyle)
TargetSite ---
Int32 get_Width()--------------


2022/12/28 14:28:08
.NET 版本: 2.0.50727.9164
操作系统版本: 10.0.19044.0 Major: 10 环境: 64
QT 版本: DevBuild: 2022/11/4 23:59:00 (2.0.50727.9164)
错误信息: DrawTab

Message ---
参数无效。
HelpLink ---

Source ---
System.Drawing
StackTrace ---
   在 System.Drawing.Image.get_Width()
   在 QTTabBarLib.QTabControl.DrawBackground(Graphics g, Boolean bSelected, Boolean fHot, Rectangle rctItem, Edges edges, Boolean fVisualStyle, Int32 index)
   在 QTTabBarLib.QTabControl.DrawTab(Graphics g, Rectangle itemRct, Int32 index, QTabItem tabHot, Boolean fVisualStyle)
TargetSite ---
Int32 get_Width()--------------

QTTabBarException.log

[Kano-I]

This question has been answered in #285