replace ZKWeb.System.Drawing to System.Drawing.Common

src/NPOI/DDF/EscherMetafileBlip.cs

@@ -19,7 +19,7 @@ namespace NPOI.DDF
     using System;
     using System.IO;
     using System.Text;
-    using System.DrawingCore;
+    using System.Drawing;
     using NPOI.Util;
     using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
     using ICSharpCode.SharpZipLib.Zip.Compression;

src/NPOI/DDF/EscherPictBlip.cs

@@ -19,7 +19,7 @@ namespace NPOI.DDF
     using System;
     using System.IO;
     using System.Text;
-    using System.DrawingCore;
+    using System.Drawing;
     using NPOI.Util;
     using ICSharpCode.SharpZipLib.Zip.Compression;
     using ICSharpCode.SharpZipLib.Zip.Compression.Streams;

src/NPOI/HSSF/UserModel/EscherGraphics.cs

@@ -22,7 +22,7 @@ namespace NPOI.HSSF.UserModel
     using NPOI.Util;
 
     using NPOI.SS.UserModel;
-    using System.DrawingCore;
+    using System.Drawing;
 
     /**
      * Translates Graphics calls into escher calls.  The translation Is lossy so

src/NPOI/HSSF/UserModel/HSSFPicture.cs

@@ -26,7 +26,7 @@ namespace NPOI.HSSF.UserModel
     using NPOI.HSSF.Model;
     using NPOI.HSSF.Record;
     using NPOI.SS.Util;
-    using System.DrawingCore;
+    using System.Drawing;
 
 
     /// <summary>

src/NPOI/HSSF/UserModel/HSSFSheet.cs

@@ -32,7 +32,7 @@ namespace NPOI.HSSF.UserModel
     using NPOI.SS.UserModel;
     using NPOI.SS.Util;
     using System.Globalization;
-    using System.DrawingCore;
+    using System.Drawing;
 
 
 

src/NPOI/HSSF/UserModel/StaticFontMetrics.cs

@@ -20,7 +20,7 @@ namespace NPOI.HSSF.UserModel
     using System;
     using System.Collections;
     using System.IO;
-    using System.DrawingCore;
+    using System.Drawing;
     using System.Configuration;
     using NPOI.Util.Collections;
     using System.Resources;

src/NPOI/Label.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
-using System.DrawingCore;
+using System.Drawing;
 
 namespace System.Windows.Forms
 {

src/NPOI/SS/Format/CellFormat.cs

@@ -23,7 +23,7 @@ namespace NPOI.SS.Format
     using System.Text.RegularExpressions;
     using System.Collections.Generic;
     using System.Windows.Forms;
-    using System.DrawingCore;
+    using System.Drawing;
 
     /**
      * Format a value according to the standard Excel behavior.  This "standard" is

src/NPOI/SS/Format/CellFormatPart.cs

@@ -20,7 +20,7 @@ namespace NPOI.SS.Format
 
     using NPOI.HSSF.Util;
     using System.Collections.Generic;
-    using System.DrawingCore;
+    using System.Drawing;
     using System.Collections;
     using System.Text.RegularExpressions;
     using System.Text;

src/NPOI/SS/Format/CellFormatResult.cs

@@ -17,7 +17,7 @@
 namespace NPOI.SS.Format
 {
     using System;
-    using System.DrawingCore;
+    using System.Drawing;
 
 
 

src/NPOI/SS/UserModel/Picture.cs

@@ -14,7 +14,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 ==================================================================== */
-using System.DrawingCore;
+using System.Drawing;
 namespace NPOI.SS.UserModel
 {
     public enum PictureType : int

src/NPOI/SS/Util/ImageUtils.cs

@@ -17,7 +17,7 @@
 namespace NPOI.SS.Util
 {
     using System;
-    using System.DrawingCore;
+    using System.Drawing;
     using System.IO;
     using NPOI.HSSF.UserModel;
     using NPOI.SS.UserModel;

src/NPOI/SS/Util/SheetUtil.cs

@@ -20,7 +20,7 @@ namespace NPOI.SS.Util
     using System;
 
     using NPOI.SS.UserModel;
-    using System.DrawingCore;
+    using System.Drawing;
     using System.Windows.Forms;
     using System.Collections.Generic;
 

src/NPOI/TextRenderer.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-using System.DrawingCore;
+using System.Drawing;
 using System.Text;
 
 namespace System.Windows.Forms