文件名称:Queens_ImageControl_VS2005
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- 上传时间：2012-11-07
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文件大小：69.79kb
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大图像的缩放和平移，支持大小50MB的图片缩放，效果非常平滑-I recently wrote an article showing a simple method for panning an image. The code worked very well for small to moderate sized images. However, when using very large images, the performance degraded significantly.
That article used a picture box within a panel, and used the auto scroll functionality of the panel to perform scrolling. I received quite a bit of feedback indicating the need for a version that could handle very large images and still pan very smoothly. I also received requests for ideas on how to zoom the image in and out. So, I got to work.
What I came up with is a control that could smoothly pan super-sized images, and also provided zoom functionality. My tests were with a 49MB GIF (7000 x 7000). The performance was very smooth. Of course, the control works equally as well with small images. The control is demonstrated in the included sample project.
This custom control does not use a picture box, nor does it inherit from one. Neither is there a panel or any "a
That article used a picture box within a panel, and used the auto scroll functionality of the panel to perform scrolling. I received quite a bit of feedback indicating the need for a version that could handle very large images and still pan very smoothly. I also received requests for ideas on how to zoom the image in and out. So, I got to work.
What I came up with is a control that could smoothly pan super-sized images, and also provided zoom functionality. My tests were with a 49MB GIF (7000 x 7000). The performance was very smooth. Of course, the control works equally as well with small images. The control is demonstrated in the included sample project.
This custom control does not use a picture box, nor does it inherit from one. Neither is there a panel or any "a
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下载文件列表
Queens_ImageControl_VS2005/Queens_ImageControl.sln
Queens_ImageControl_VS2005/Queens_ImageControl.suo
Queens_ImageControl_VS2005/Queens_ImageControl/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/Queens_ImageControl.dll
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/Queens_ImageControl.xml
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.resx
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.vb
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.resx
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Application.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Application.myapp
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/AssemblyInfo.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Resources.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Resources.resx
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Settings.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Settings.settings
Queens_ImageControl_VS2005/Queens_ImageControl/Queens_ImageControl.vbproj
Queens_ImageControl_VS2005/Queens_ImageControl/Queens_ImageControl.vbproj.user
Queens_ImageControl_VS2005/Test Harness/
Queens_ImageControl_VS2005/Test Harness/bin/
Queens_ImageControl_VS2005/Test Harness/bin/Debug/
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Queens_ImageControl.dll
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Queens_ImageControl.xml
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Test Harness.exe
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Test Harness.xml
Queens_ImageControl_VS2005/Test Harness/Form1.Designer.vb
Queens_ImageControl_VS2005/Test Harness/Form1.resx
Queens_ImageControl_VS2005/Test Harness/Form1.vb
Queens_ImageControl_VS2005/Test Harness/My Project/
Queens_ImageControl_VS2005/Test Harness/My Project/Application.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Application.myapp
Queens_ImageControl_VS2005/Test Harness/My Project/AssemblyInfo.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Resources.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Resources.resx
Queens_ImageControl_VS2005/Test Harness/My Project/Settings.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Settings.settings
Queens_ImageControl_VS2005/Test Harness/Resources/
Queens_ImageControl_VS2005/Test Harness/Test Harness.vbproj
Queens_ImageControl_VS2005/Test Harness/Test Harness.vbproj.user
Queens_ImageControl_VS2005/Queens_ImageControl.suo
Queens_ImageControl_VS2005/Queens_ImageControl/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/Queens_ImageControl.dll
Queens_ImageControl_VS2005/Queens_ImageControl/bin/Debug/Queens_ImageControl.xml
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.resx
Queens_ImageControl_VS2005/Queens_ImageControl/DrawingBoard.vb
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.resx
Queens_ImageControl_VS2005/Queens_ImageControl/ImageControl.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Application.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Application.myapp
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/AssemblyInfo.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Resources.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Resources.resx
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Settings.Designer.vb
Queens_ImageControl_VS2005/Queens_ImageControl/My Project/Settings.settings
Queens_ImageControl_VS2005/Queens_ImageControl/Queens_ImageControl.vbproj
Queens_ImageControl_VS2005/Queens_ImageControl/Queens_ImageControl.vbproj.user
Queens_ImageControl_VS2005/Test Harness/
Queens_ImageControl_VS2005/Test Harness/bin/
Queens_ImageControl_VS2005/Test Harness/bin/Debug/
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Queens_ImageControl.dll
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Queens_ImageControl.xml
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Test Harness.exe
Queens_ImageControl_VS2005/Test Harness/bin/Debug/Test Harness.xml
Queens_ImageControl_VS2005/Test Harness/Form1.Designer.vb
Queens_ImageControl_VS2005/Test Harness/Form1.resx
Queens_ImageControl_VS2005/Test Harness/Form1.vb
Queens_ImageControl_VS2005/Test Harness/My Project/
Queens_ImageControl_VS2005/Test Harness/My Project/Application.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Application.myapp
Queens_ImageControl_VS2005/Test Harness/My Project/AssemblyInfo.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Resources.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Resources.resx
Queens_ImageControl_VS2005/Test Harness/My Project/Settings.Designer.vb
Queens_ImageControl_VS2005/Test Harness/My Project/Settings.settings
Queens_ImageControl_VS2005/Test Harness/Resources/
Queens_ImageControl_VS2005/Test Harness/Test Harness.vbproj
Queens_ImageControl_VS2005/Test Harness/Test Harness.vbproj.user
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