fix build errors

dlanguilib.visualdproj

@@ -96,6 +96,7 @@
   <exefile>$(OutDir)\$(ProjectName).lib</exefile>
   <useStdLibPath>1</useStdLibPath>
   <cRuntime>2</cRuntime>
+  <privatePhobos>0</privatePhobos>
   <additionalOptions />
   <preBuildCommand />
   <postBuildCommand />
@@ -197,6 +198,7 @@
   <exefile>$(OutDir)\$(ProjectName).lib</exefile>
   <useStdLibPath>1</useStdLibPath>
   <cRuntime>1</cRuntime>
+  <privatePhobos>0</privatePhobos>
   <additionalOptions />
   <preBuildCommand />
   <postBuildCommand />
@@ -396,6 +398,10 @@
      <File path="src\dlangui\dml\parser.d" />
     </Folder>
     <Folder name="graphics">
+     <Folder name="xpm">
+      <File path="src\dlangui\graphics\xpm\colors.d" />
+      <File path="src\dlangui\graphics\xpm\reader.d" />
+     </Folder>
      <Folder name="scene">
       <File path="src\dlangui\graphics\scene\camera.d" />
       <File path="src\dlangui\graphics\scene\node.d" />

examples/example1/src/example1.d

@@ -477,7 +477,14 @@ extern (C) int UIAppMain(string[] args) {
               );
         destroy(w);
 
-		layout.childById("BTN1").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
+		layout.childById("BTN1").click = delegate (Widget w) { 
+            Log.d("onClick ", w.id);
+            //w.backgroundImageId = null;
+            //w.backgroundColor = 0xFF00FF;
+            w.textColor = 0xFF00FF;
+            w.styleId = STYLE_BUTTON_NOMARGINS;
+            return true; 
+        };
 		layout.childById("BTN2").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
 		layout.childById("BTN3").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
 

src/dlangui/graphics/xpm/reader.d

@@ -21,7 +21,7 @@ import std.range;
 import std.exception;
 import std.format : formattedRead;
 
-private inout(char)[] extractXPMString(inout(char)[] str) {
+private const(char)[] extractXPMString(const(char)[] str) {
     auto firstIndex = str.indexOf('"');
     if (firstIndex != -1) {
         auto secondIndex = str.indexOf('"', firstIndex+1);