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System.Drawing.Imaging.Metafile metafile = GetMetafileFromSomewhere();
IntPtr hEMF = metafile.GetHenhmetafile();
uint len = GetEnhMetaFileBits(hEMF, 0, null);
byte[] rawBytes = new byte[len];
GetEnhMetaFileBits(hEMF, len, result);
DeleteEnhMetaFile(hEMF);
[System.Runtime.InteropServices.DllImport("gdi32")]
static extern int GetEnhMetaFileBits(int hemf, int cbBuffer, byte[] lpbBuffer);
//Another sample
byte[] GetBytes(Image img)
{
// use interop to get the metafile bits
Metafile mf = img as Metafile;
var enhMetafileHandle = mf.GetHenhmetafile().ToInt32();
var bufferSize = GetEnhMetaFileBits(enhMetafileHandle, 0, null);
var buffer = new byte[bufferSize];
GetEnhMetaFileBits(enhMetafileHandle, bufferSize, buffer);
[System.Runtime.InteropServices.DllImport("gdi32")]
static extern int GetEnhMetaFileBits(IntPtr hemf, int cbBuffer, byte[] lpbBuffer);
// return bits
return buffer;
}
byte[] GetBytes(Image img)
{
// use interop to get the metafile bits
Metafile mf = img as Metafile;
var enhMetafileHandle = mf.GetHenhmetafile();
var bufferSize = GetEnhMetaFileBits(enhMetafileHandle, 0, null);
var buffer = new byte[bufferSize];
GetEnhMetaFileBits(enhMetafileHandle, bufferSize, buffer);
// return bits
return buffer;
}
Alternative Managed API:
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The GetEnhMetaFileBits API
4/30/2014 4:59:37 PM - -72.90.87.6
The GetEnhMetaFileBits API
9/2/2014 2:33:02 AM - -65.197.241.129
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