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Open Bug report MC-821

Wonky selection behavior in Studies window in PLE

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There's a subtle bug with the behavior of Power Language Editor when selecting items in the Studies window. Assume that you have a list of studies 1, 2, 3, 4 ... 10. If you click on the first study, and then shift-click on the tenth study to select a group of studies, it should select the group of studies 1 through 10.

Instead, PLE will only select the group of studies 2 through 10. I.e., it will "forget" that you originally selected the first study, before expanding the selection to include items 2 through 10. This makes it more difficult to drag a group of studies into various subfolders, since PLE won't move the first item you selected.

The same thing happens in reverse. If you first click on the tenth item in a list, and then shift-click on the first item in a list, the studies window will "forget" that you first selected item ten.
This is not normal behavior in Windows, of course. Normally, if you first click on one item in a list (e.g., a file in Windows Explorer), and then shift-click on another item in the list, it will sellect the two items you cliicked and all additional items between those two items.
See the attached video for an example. In this, I attempt to move various groups of studies into a folder. E.g., I first click on "TimeExit (Bars) LX" and then shift-click on "Volty Expan Open LE." PLE only selects the group from "TimeExit (Bars) SX" to the last one, forgetting that I had first selected "TimeExit (Bars) LX." Then, when I drag the group into a subfolder, it doesn't move "TimeExit (Bars) LX" with the group.

Steps to reproduce this issue

See above.

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Issue basics
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  • Targeted for
    MultiCharts 8.0 (RELEASED)
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    user-offline.png  Xyzzy (Xyzzy)
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