public static string OpenFile(string path)
{
OpenFileName ofn = new OpenFileName();
ofn.structSize = Marshal.SizeOf(ofn);
ofn.filter = "PPTX(*.pptx)\0*.pptx\0;ppt(*.ppt)\0*.ppt\0";
ofn.file = new String(new char[256]);
ofn.maxFile = ofn.file.Length;
ofn.fileTitle = new String(new char[64]);
ofn.maxFileTitle = ofn.fileTitle.Length;
ofn.initialDir = path;
ofn.title = "打开";
ofn.defExt = "pptx;ppt";
if (GetOpenFileName(ofn))
{
//openFileFlat = 1;
return(ofn.file);
}
return("");
}
public static string SaveFile(string filepath, string filename)
{
OpenFileName ofn = new OpenFileName();
ofn.structSize = Marshal.SizeOf(ofn);
ofn.filter = "PNG(*.png)\0*.png\0";
//ofn.file = new String(new char[256]);
char[] name = new char[256];
Array.Copy(filename.ToCharArray(), name, filename.Length);
ofn.file = new String(name);
ofn.maxFile = ofn.file.Length;
ofn.fileTitle = new String(new char[64]);
ofn.maxFileTitle = ofn.fileTitle.Length;
ofn.initialDir = filepath;
ofn.title = "保存";
ofn.defExt = "PNG";
if (GetSaveFileName(ofn))
{
return(ofn.file);
}
return("");
}
public static extern bool GetSaveFileName([In, Out] OpenFileName ofn);