C# 完美实现窗口以透明PNG绘制_控件不透明

E:\My Documents\DotNetSource\bin\Debug\ImgDlgSample.exe E:\My Documents\DotNetSource\bin\Debug\ImgDlgSample.pdb E:\My Documents\DotNetSource\obj\Debug\ResolveAssemblyReference.cache E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.Form1.resources E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.Properties.Resources.resources E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.Form2.resources E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.csproj.GenerateResource.Cache E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.exe E:\My Documents\DotNetSource\obj\Debug\ImgDlgSample.pdb D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.exe D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.pdb D:\Project\实现窗口以透明PNG绘制_控件不透明\bin\Debug\ImgDlgSample.exe D:\Project\实现窗口以透明PNG绘制_控件不透明\bin\Debug\ImgDlgSample.pdb D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ResolveAssemblyReference.cache D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.Form1.resources D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.Properties.Resources.resources D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.Form2.resources D:\Project\实现窗口以透明PNG绘制_控件不透明\obj\Debug\ImgDlgSample.csproj.GenerateResource.Cache