diff --git a/src/imgui_impl.ts b/src/imgui_impl.ts
index 0a80b55..e5a770e 100644
--- a/src/imgui_impl.ts
+++ b/src/imgui_impl.ts
@@ -645,6 +645,8 @@
         canvas.addEventListener("contextmenu", canvas_on_contextmenu);
         canvas.addEventListener("wheel", canvas_on_wheel);
     }
+
+    CreateDeviceObjects();
 }
 
 export function Shutdown(): void {
@@ -674,7 +676,7 @@
     }
 }
 
-export function CreateFontsTexture(): void {
+function CreateFontsTexture(): void {
     const io = ImGui.GetIO();
 
     // Backup GL state
@@ -703,13 +705,13 @@
     gl && last_texture && gl.bindTexture(gl.TEXTURE_2D, last_texture);
 }
 
-export function DestroyFontsTexture(): void {
+function DestroyFontsTexture(): void {
     const io = ImGui.GetIO();
     io.Fonts.TexID = null;
     gl && gl.deleteTexture(g_FontTexture); g_FontTexture = null;
 }
 
-export function CreateDeviceObjects(): void {
+function CreateDeviceObjects(): void {
     const vertex_shader: string[] = [
         "#version 300 es",
         "uniform mat4 ProjMtx;",
@@ -758,10 +760,9 @@
     g_VboHandle = gl && gl.createBuffer();
     g_ElementsHandle = gl && gl.createBuffer();
 
-    CreateFontsTexture();
 }
 
-export function DestroyDeviceObjects(): void {
+function DestroyDeviceObjects(): void {
     DestroyFontsTexture();
 
     gl && gl.deleteVertexArray(g_VaoHandle); g_VaoHandle = null;

diff --git a/src/imgui_impl.ts b/src/imgui_impl.ts
index 0a80b55..e5a770e 100644
--- a/src/imgui_impl.ts
+++ b/src/imgui_impl.ts
@@ -645,6 +645,8 @@
         canvas.addEventListener("contextmenu", canvas_on_contextmenu);
         canvas.addEventListener("wheel", canvas_on_wheel);
     }
+
+    CreateDeviceObjects();
 }
 
 export function Shutdown(): void {
@@ -674,7 +676,7 @@
     }
 }
 
-export function CreateFontsTexture(): void {
+function CreateFontsTexture(): void {
     const io = ImGui.GetIO();
 
     // Backup GL state
@@ -703,13 +705,13 @@
     gl && last_texture && gl.bindTexture(gl.TEXTURE_2D, last_texture);
 }
 
-export function DestroyFontsTexture(): void {
+function DestroyFontsTexture(): void {
     const io = ImGui.GetIO();
     io.Fonts.TexID = null;
     gl && gl.deleteTexture(g_FontTexture); g_FontTexture = null;
 }
 
-export function CreateDeviceObjects(): void {
+function CreateDeviceObjects(): void {
     const vertex_shader: string[] = [
         "#version 300 es",
         "uniform mat4 ProjMtx;",
@@ -758,10 +760,9 @@
     g_VboHandle = gl && gl.createBuffer();
     g_ElementsHandle = gl && gl.createBuffer();
 
-    CreateFontsTexture();
 }
 
-export function DestroyDeviceObjects(): void {
+function DestroyDeviceObjects(): void {
     DestroyFontsTexture();
 
     gl && gl.deleteVertexArray(g_VaoHandle); g_VaoHandle = null;
diff --git a/src/main.ts b/src/main.ts
index e33b7ef..61306c1 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -39,10 +39,6 @@
 
     ImGui_Impl.Init(app);
 
-    ImGui.StyleColorsLight();
-
-    ImGui_Impl.CreateDeviceObjects();
-
     app.ticker.add(
         (deltaTime: number) =>
         {
@@ -60,13 +56,22 @@
 
     let bg: PIXI.Graphics = new PIXI.Graphics();
     bg.beginFill(0xFF0000);
-    bg.drawRect(0, 0, 600, 600);
+    bg.drawRect(100, 100, 300, 300);
     bg.endFill();
 
+    let styleCb: () => void = () => { ImGui.StyleColorsLight(); };
+
     const imgui: ImGuiWindow = new ImGuiWindow(512, 512, update);
+    const imgui2: ImGuiWindow = new ImGuiWindow(512, 512, update);
+    imgui2.x = 200;
+    imgui2.y = 400;
+
+    imgui.withContext(styleCb);
+    imgui2.withContext(styleCb);
     
-    app.stage.addChild(bg);
     app.stage.addChild(imgui);
+    app.stage.addChild(bg);
+    app.stage.addChild(imgui2);
 
     window.onresize = resizeFunc;
     resizeFunc();
@@ -76,8 +81,8 @@
 let text: string = "text";
 function update(timeElapsed: number): void
 {
-    ImGui.SetNextWindowPos(new ImVec2(0, 0));
-    ImGui.SetNextWindowSize(new ImVec2(600, 400), ImGui.ImGuiCond.Always);
+    //ImGui.SetNextWindowPos(new ImVec2(0, 0));
+    ImGui.SetNextWindowSize(new ImVec2(500, 500), ImGui.ImGuiCond.Always);
     ImGui.Begin("Test Window"); 
     if (ImGui.Button("Add Text"))
     {