/// <summary>
/// 文件选择对话框
/// </summary>
/// <param name="title">对话框标题</param>
/// <param name="filter">文件选择过滤器（格式参考："图片文件(*.png;*.jpg) \0 *.png;*.jpg"）</param>
/// <param name="defaultPath">默认路径</param>
/// <returns>选择的文件路径，未正确选择则返回空字符串</returns>
public static string GetFilePath(string title, string filter, string defaultPath)
{
OpenDialogFile openFileName = new OpenDialogFile();
openFileName.structSize = Marshal.SizeOf(openFileName);
openFileName.filter = filter;
openFileName.file = new string(new char[256]);
openFileName.maxFile = openFileName.file.Length;
openFileName.fileTitle = new string(new char[64]);
openFileName.maxFileTitle = openFileName.fileTitle.Length;
openFileName.initialDir = defaultPath;//默认路径
openFileName.title = title;
openFileName.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000008;
if (DllOpenFileDialog.GetSaveFileName(openFileName))
{
return(openFileName.file);
}
else
{
return(string.Empty);
}
}
public static extern bool GetSaveFileName([In, Out] OpenDialogFile ofn);
