添加项目文件。

2026-08-04 18:36:40 +08:00
parent 16fb9e4f5a
commit a2ecbc795d
616 changed files with 149853 additions and 0 deletions
@@ -0,0 +1,53 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace JinYuan.ControlLib.UCHelper
+{
+    /// <summary>
+    /// 系统缩放比例
+    /// </summary>
+    public class DpiHelper
+    {
+        #region 公开方法
+
+        /// <summary>
+        /// 获取控件对应的系统缩放比例
+        /// </summary>
+        /// <param name="control"></param>
+        /// <returns></returns>
+        public static float GetControlDpi(Control control)
+        {
+            IntPtr hDC = IntPtr.Zero;
+            Graphics g = null;
+            ControlHelper.GetWindowClientGraphics(control.Handle, out g, out hDC);
+
+            float dpi = g.DpiX / 96f;
+
+            g.Dispose();
+            NativeMethods.ReleaseDC(control.Handle, hDC);
+
+            return dpi;
+        }
+
+        /// <summary>
+        /// 获取控件对应的系统缩放比例
+        /// </summary>
+        /// <param name="hWnd"></param>
+        /// <returns></returns>
+        public static float GetControlDpi(IntPtr hWnd)
+        {
+            IntPtr hDC = IntPtr.Zero;
+            Graphics g = null;
+            ControlHelper.GetWindowClientGraphics(hWnd, out g, out hDC);
+
+            float dpi = g.DpiX / 96f;
+
+            g.Dispose();
+            NativeMethods.ReleaseDC(hWnd, hDC);
+
+            return dpi;
+        }
+        #endregion
+    }
+}