fix(winforms): release module grid resources

2026-08-26 01:10:27 +08:00
parent 6cde5df2f2
commit 1e06682a12
8 changed files with 491 additions and 85 deletions
@@ -154,7 +154,11 @@ namespace Lskj.PubModuleDetail
        {
            this.mControl.CloseModule();
            string guid = this.Tag + "";
-            if (string.IsNullOrWhiteSpace(guid)) return;
+            if (string.IsNullOrWhiteSpace(guid))
+            {
+                this.mControl.ReleaseResourcesForDispose();
+                return;
+            }
            DllModule m = Manager.ModuleForms[guid];
            m.IsClose = true;
            if (SystemInfo.Instance.EfficientVerification)
@@ -175,6 +179,15 @@ namespace Lskj.PubModuleDetail
                    }
                }
            }
+
+            // FormClosing fires before the control tree is disposed. Release the
+            // DevExpress grids and their native resources as soon as the close is
+            // confirmed; waiting for FrmMain.Dispose leaves GDI handles alive
+            // between module cycles.
+            if (!e.Cancel)
+            {
+                this.mControl.ReleaseResourcesForDispose();
+            }
        }

        /// <summary>