Merge branch 'wang_master' of https://gitee.com/wangwanxh/Vocs into wang_master

GcDevicePc/Common/GCModbusSlave.cs

@@ -113,6 +113,11 @@ namespace GcDevicePc.Common
            {
                switch(address)
                {
+                   case 3:
+                   {
+                       value = SharedSpace.Data.change == true ? (ushort)1 : (ushort)0;
+                   }
+                       break;
                    case 4:
                    {
                        value = globaldata.m_hmibuffer.gcinfo.HMIMac[0];

GcDevicePc/StartForm.Designer.cs

@@ -39,6 +39,7 @@
             // 
             // bgpicture
             // 
+            this.bgpicture.BackColor = System.Drawing.Color.Black;
             this.bgpicture.Dock = System.Windows.Forms.DockStyle.Fill;
             this.bgpicture.Image = ((System.Drawing.Image)(resources.GetObject("bgpicture.Image")));
             this.bgpicture.ImageLocation = "";
@@ -96,6 +97,7 @@
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackColor = System.Drawing.Color.Black;
             this.ClientSize = new System.Drawing.Size(479, 403);
             this.Controls.Add(this.offlinebth);
             this.Controls.Add(this.label2);