Pilz.UI: convert to C#

2024-06-10 12:29:56 +02:00
parent b9be604f0d
commit 5c6f0c8bfc
32 changed files with 3950 additions and 166 deletions
--- a/Pilz.UI/Utilities/DrawingControl.cs
+++ b/Pilz.UI/Utilities/DrawingControl.cs
@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace Pilz.UI.Utils;
+
+
+public static class DrawingControl
+{
+
+    private const int WM_SETREDRAW = 11;
+    private readonly static Dictionary<nint, int> dicSuspendCount = new Dictionary<nint, int>();
+
+    public static void SuspendDrawing(this Control control)
+    {
+        if (!dicSuspendCount.ContainsKey(control.Handle))
+            dicSuspendCount.Add(control.Handle, 1);
+        else
+        {
+            dicSuspendCount[control.Handle] += 1;
+        }
+
+        if (dicSuspendCount[control.Handle] == 1)
+            User32Bridge.SendMessage(control.Handle, WM_SETREDRAW, false, 0);
+    }
+
+    public static void ResumeDrawing(this Control control)
+    {
+        control.ResumeDrawing(true);
+    }
+
+    public static void ResumeDrawing(this Control control, bool redraw)
+    {
+        bool doRedraw = true;
+
+        if (dicSuspendCount.ContainsKey(control.Handle))
+        {
+            dicSuspendCount[control.Handle] -= 1;
+            if (dicSuspendCount[control.Handle] >= 1)
+                doRedraw = false;
+        }
+
+        if (doRedraw)
+        {
+            User32Bridge.SendMessage(control.Handle, WM_SETREDRAW, true, 0);
+            if (redraw)
+                control.Refresh();
+        }
+    }
+
+}