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B2020-045: Generating Library Document Report crashes when no library document is selected

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This commit is contained in:
Kathy Ruffing 2020-04-02 14:18:12 +00:00
parent ae4431b327
commit 9d4f7e8765
1 changed files with 22 additions and 1 deletions
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23
PROMS/Volian.Controls.Library/DisplayLibDocs.cs
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@ -304,7 +304,28 @@ namespace Volian.Controls.Library
private void btnPrint_Click(object sender, EventArgs e)
{
string paperSize = "Letter";
paperSize = LibDocList[listBoxLibDocs.SelectedIndex].LibraryDocumentUsageList[0].ActiveFormat.PlantFormat.FormatData.PDFPageSize.PaperSize; // C2020-002 paper size is now set in the format files
// B2020-045: Getting Library Document usage report when no documents are selected crashes with a null reference if the first
// in libdoc usage list is null (added code that finds a non-null usage list and uses first to get format. Otherwise
// uses the default "Letter" paper size).
ItemInfo ii = null;
int sel = listBoxLibDocs.SelectedIndex < 0 ? 0 : listBoxLibDocs.SelectedIndex;
if (LibDocList[sel].LibraryDocumentUsageList == null || LibDocList[sel].LibraryDocumentUsageList.Count == 0)
{
// selected lib doc doesn't have usages, loop through to find one. Need a usage to get the active format
for (int i = 0; i<LibDocList.Count; i++)
{
if (LibDocList[i].LibraryDocumentUsageList != null && LibDocList[i].LibraryDocumentUsageList.Count>0)
{
ii = LibDocList[i].LibraryDocumentUsageList[0];
break;
}
}
}
else
ii = LibDocList[sel].LibraryDocumentUsageList[0];
if (ii != null)
paperSize = ii.ActiveFormat.PlantFormat.FormatData.PDFPageSize.PaperSize; // C2020-002 paper size is now set in the format files
OnPrintRequest(new DisplayLibDocEventArgs("Library Document Usage", LibDocList, paperSize));
}
}