timy/EduNetworkBuilder
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fix the selection jumping bug

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This commit is contained in:
Tim Young 2018-10-01 15:10:51 -05:00
parent b7f7a6b9ae
commit 481ddc0121
1 changed files with 9 additions and 1 deletions
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10
EduNetworkBuilder/ListBoxWindow.cs
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@ -261,6 +261,8 @@ namespace EduNetworkBuilder
{ {
int selectedIndex = lbWindowData.SelectedIndex; int selectedIndex = lbWindowData.SelectedIndex;
string selected = ""; string selected = "";
int topmost = lbWindowData.TopIndex;
int totalcount = lbWindowData.Items.Count;
if (lbWindowData.SelectedIndex != -1) if (lbWindowData.SelectedIndex != -1)
selected = lbWindowData.Items[lbWindowData.SelectedIndex].ToString(); selected = lbWindowData.Items[lbWindowData.SelectedIndex].ToString();
lbWindowData.Items.Clear(); lbWindowData.Items.Clear();
@ -382,7 +384,10 @@ namespace EduNetworkBuilder
if(selected != null && selected != "") if(selected != null && selected != "")
{ {
if (selectedIndex >= 0 && selectedIndex < lbWindowData.Items.Count) if (selectedIndex >= 0 && selectedIndex < lbWindowData.Items.Count)
{
lbWindowData.SelectedIndex = selectedIndex; lbWindowData.SelectedIndex = selectedIndex;
lbWindowData.TopIndex = topmost;
}
} }
if(lbWindowData.SelectedIndex != -1) if(lbWindowData.SelectedIndex != -1)
{ {
@ -454,8 +459,11 @@ namespace EduNetworkBuilder
} }
if (selected != null && selected != "") if (selected != null && selected != "")
{ {
if(selectedIndex >=0 && selectedIndex < lbWindowData.Items.Count) if (selectedIndex >= 0 && selectedIndex < lbWindowData.Items.Count)
{
lbWindowData.SelectedIndex = selectedIndex; lbWindowData.SelectedIndex = selectedIndex;
lbWindowData.TopIndex = topmost;
}
} }
if (lbWindowData.SelectedIndex != -1) if (lbWindowData.SelectedIndex != -1)
{ {