use external checkbox image

bin/win64/res/qml/.gitignore

@@ -0,0 +1 @@
+*.qmlc

bin/win64/res/qml/MyToggleButton.qml

@@ -4,6 +4,8 @@ import "." // QTBUG-34418, singletons require explicit import to load qmldir fil
 
 
 CheckBox {
+    checkState: Qt.Checked
+    tristate: false
     hoverEnabled: true
     spacing: 12
 
@@ -14,12 +16,21 @@ CheckBox {
 		y: parent.height / 2 - height / 2
         color: parent.enabled ? (parent.down ? "#e0e0e0" : "#ffffff") : "#a0a0a0"
         border.width: 0
+        Path {
+            startX: 0
+            startY: 0
+            PathLine {
+                x: 40
+                y: 40
+            }
+        }
+
 		Image {
-			width: 38
+            width: 28
-			height: 38
+            height: 28
 			x: (parent.width - width) / 2
 			y: (parent.height - height) / 2
-			source: "image://default/check/#2c435d"
+            source: "check.svg"
 			sourceSize.width: width
 			sourceSize.height: height
 			visible: parent.parent.checked
@@ -36,7 +47,7 @@ CheckBox {
 
 	background: Rectangle {
 		color: "#2c435d"
-        opacity: parent.activeFocus ? 1.0 : 0.0
+        opacity: parent.activeFocus ? 1.0 : 0
     }
 
     onHoveredChanged: {

bin/win64/res/qml/check.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="270" height="270"><path d="M30 180l60 60L240 30" stroke="#000" stroke-width="30" fill="none"/></svg>