初版-带一个进度条

sources/PictureBox.cpp

@@ -0,0 +1,38 @@
+#include "PictureBox.h"
+namespace ezui {
+	PictureBox::PictureBox(Object* parentObject) :Control(parentObject)
+	{
+		Init();
+	}
+	void PictureBox::Init() {
+		m_timer = new Timer(this);
+		m_timer->Tick = [this](Timer* timer) {
+			timer->Stop();
+			HWND hWnd = this->Hwnd();
+			BeginInvoke([this, hWnd, timer]() {
+				if (!::IsWindow(hWnd))return;
+				if (this->Image) {
+					m_timer->Interval = this->Image->NextFrame();
+					this->Invalidate();
+				};
+				});
+			};
+	}
+	PictureBox::~PictureBox() {
+	}
+	void PictureBox::OnForePaint(PaintEventArgs& arg) {
+		if (Image) {
+			arg.Graphics.DrawImage(Image, RectF(0, 0, (float)Width(), (float)Height()));
+			if (Image->FrameCount() > 1) {
+				m_timer->Start();
+			}
+		}
+		__super::OnForePaint(arg);
+	}
+	void PictureBox::SetAttribute(const UIString& key, const UIString& value) {
+		__super::SetAttribute(key, value);
+		if (key == "src") {
+			Image = this->Attach(Image::Make(value));
+		}
+	}
+};