デフォルト背景の設定画面で背景画像の設定を開いた状態で元の背景を削除しても設定画面が閉じない

[jinto_]

そして、ＯＫを押すとエラーになります。

2018-01-31 23:49:28 [Build: 2018-01-26 20:37:51 Debug (64-bit)] cwx\utils.d:136 Stack Trace --------
cwx\editor\gui\dwt\mainwindow.d-mixin-4489, 4489
cwx\editor\gui\dwt\mainwindow.d-mixin-4492, 4492
cwx\editor\gui\dwt\absdialog.d-mixin-177, 177
cwx\editor\gui\dwt\absdialog.d-mixin-292, 292
cwx\editor\gui\dwt\absdialog.d-mixin-219, 219
cwx\editor\gui\dwt\absdialog.d-mixin-230, 230
cwx\editor\gui\dwt\absdialog.d-mixin-231, 231
cwx\editor\gui\dwt\areaview.d-mixin-4278, 4278
cwx\editor\gui\dwt\areaview.d-mixin-538, 538
cwx\editor\gui\dwt\areaview.d-mixin-560, 560
cwx\editor\gui\dwt\areaview.d-mixin-562, 562
--------
2018-01-31 23:49:28 [Build: 2018-01-26 20:37:51 Debug (64-bit)] cwx\editor\gui\dwt\mainwindow.d:4601 [Range violation] cwx\editor\gui\dwt\areaview.d, 563: 0x00007FF780B5AD5C
0x00007FF77F80DB7D
0x00007FF77F80D9D1
0x00007FF77F8331B4
0x00007FF77F535139
0x00007FF7809EF9E6
0x00007FF780A94403
0x00007FF7808E1ED9
0x00007FF7808E203E
0x00007FF7808E1F6C
0x00007FF780A6AF00
0x00007FF78095D0CD
0x00007FF77F536218
0x00007FF77F534A4A
0x00007FF7809F0782
0x00007FF780A94403
0x00007FF7808E1ED9
0x00007FF78092BA1F
0x00007FF780929A1D
0x00007FF77F68530E
0x00007FF7803BA47B
0x00007FF780B8E802
0x00007FF780B8E61F
0x00007FF780B8E72B
0x00007FF780B8E61F
0x00007FF780B8E41E
0x00007FF7803BAA54
0x00007FF780C50D79
0x00007FF829581FE4 in BaseThreadInitThunk
0x00007FF82AF2EFB1 in RtlUserThreadStart

[k4nagatsuki]

pull request #266

ありがとうございます。修正しました。