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* UIForm: 修复页面切换时，第一个UIPage未执行Final事件的问题

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Sunny 2023-07-24 11:14:42 +08:00
parent 8b8125daa7
commit 436a34fd6b
1 changed files with 20 additions and 0 deletions
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20
SunnyUI/Forms/UIForm.cs
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@ -46,6 +46,7 @@
* 2023-01-25: V3.3.1 最大化后，关闭按钮扩大至原按钮右上角全部区域
* 2023-02-24: V3.3.2 修复PageSelected可能未显示选中页面的问题
* 2023-05-12: V3.3.6 重构DrawString函数
* 2023-07-24: V3.4.1 修复页面切换时，第一个UIPage未执行Final事件的问题
******************************************************************************/
using System;
@ -2169,6 +2170,25 @@ namespace Sunny.UI
mainTabControl.PageAdded += DealPageAdded;
mainTabControl.PageRemoved += DealPageRemoved;
mainTabControl.Selecting += MainTabControl_Selecting;
mainTabControl.VisibleChanged += MainTabControl_VisibleChanged;
}
}
private void MainTabControl_VisibleChanged(object sender, EventArgs e)
{
if (SelectedPage == null)
{
List<UIPage> pages = mainTabControl.SelectedTab.GetControls<UIPage>();
if (pages.Count == 1)
{
SelectedPage = pages[0];
PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
}
else
{
SelectedPage = null;
PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
}
}
}